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RS_Geotechnical_Report_Part_4_Page_Set_211222_v1
APPENDIXC GEOTECHNICAL INVESTIGATION FACT SHEET, FOUNDATION DESIGN CRITERIA,FOUNDATION SUBSURFACE PREPARATION NOTES, AND AASHTO PAVEMENT DESIGN DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371 F2EBC8E65 GEOTECHNICAL INVESTIGATION FACT SHEET Include this form in the Geotechnical Report as an Appendix. PROJECT LOCATION: s. Gra<ly Way and Talbot Road, Renton, Washin2:1on Engineer: Thomas A. Jones Phone#: 425-771-3304 E-mail: tomJones@zjpperzema n.com Geo technical Engineering Co.: Zipper Zeman Associates, Inc, Report Date: Decembe r 6, 2002 Ground Water Elevation: 23 to 34 feet Date Groundwater Measured: October. 2002 Fill Soils Characteristics: Maximum Liquid Limit: 40 in wper 4 feet Maximum Plasticity Index: 12 in upper 4 feet Specified Compaction: 95% ASTM:D-1557 Moisture Content Range : -2 to +2% i:ranular Topsoil/Stripping Depth: 6 inches min .. limited areas, (see text) Undercut (IfReq'd): 18 inches below structural slab Compaction: 95% ASTM:D-1557 or 98% ASTM P-698 Modified Proctor Results: Not completed on existing coal tailings fill, see report Recommended Compaction Control Tests: 1 Test for Each __.5:.,..,,0""'0.,._0 ___ Sq. Ft.� Lift (bldg. area) 1 Test for Each 10,000 Sq. Ft.� Lift (parking area)· Structural Fill Maximum Lift Thickness __ 8 __ in. (Measured loose) -1% to +3% fine-i:rained Subgrade Design CBR value = NIA for coal tailini:s fin, assumed 50% at 95% relative compaction of ASTM P I 557A for subbase material, see text COMPONENT Stabilized Subgrade (If Applicable) Subbase Material (Pit-run Sand and Gravel) Crushed Gravel Base Course Leveling Binder Course Surface Course ASPHALT Standard Heavy . 12 12 4 4 3 4 CONCRETE Standard Heavy 12 12 4 4 5 6 NOTE: Asphalt and concrete sections are based on minimum subgrade compaction levels of 95% of the modified Proctor maximum dry density. All compacted subbase should have a minimum CBR value of 50. This information should not be used separately from the geotechnical report. FOUNDATION DESIGN CRITERIA Include this form in the Geotechnical Report as an Appendix. PROJECT LOCATION: S, Grady Way and Talbot Road, Renton, Washington Engineer: Thomas A. Jones Phone#: 425-771-3304 E-mail: tomjones@zipperzeman.com Geotechnical Engineering Co.: Zipper Zeman Associates, Inc, Report Date: December 6, 2002 Foundation type: Au�ercast piles u,p to 85 feet Ion� and �rade beams (see report) Allowable bearing pressure: 75-tons per pile, supported on bedrock, or dense soils Factor of Safety: 2,5 Minimum footing dimensions: Individual:._2�4�i=n�ch-e ... s'-------Continuous: 24 inches Minimum footing embedment: Exterior:___.2._4 ..... 1 .... · n ... c-he,..s...._ ______ Interior: 12 inches Frost depth: 18 inches Maximum foundation settlements: Total: <l inch Differential: <0,5 inch in 40 ft. Slab: Potential vertical rise:_---'<""'!4ui....,n""'ch.....,.,b,.,.el.,.o...,w_,s...,la..,,b .... s'--_ Capillary break (describe): 6 inches free-draining sand and �ravel, see floo r slab sect ion of report Vapor barrier: Reco mm ended for methane �as and soil moisture Subgrade reaction modulus: 150psj/jn at 95% compaction ASTM D-155 7 Method obtained: CBR correlation Perimeter Drains (describe): Building: 4 inch dja, perforated PVC or corru�ated plastic Retaining Walls: 4 inch dia, perforated PVC or corru�ated plast ic, or weepholes Cement Type:_...__ __ Retaining Wall: Active: 35 pcf, At-rest pressure:�, Passive: variable, se report Allowable Coefficient of Base Friction:_Q.3,Q COMMENTS: This information shall not be used separately from the geotechnical report. AASHTO 1993 METHOD FOR DESIGN OF ASPHALT PAVEMENT STRUCTURES FOR:PROPOSED RETAIL DEVELOPMENT,RENTON,WASHINGTON DESIGN LIFE: 20 YEARS DESIGN CALIFORNIA BEARING RATIO: 50%(imported pit-run sand and gravel) INPUT VALUES FOR STRUCTURAL NUMBER (SN) Estimated ESAL (20 yrs)=43,800 (Std.), 335,800 (heavy duty) Reliability (R)=85% Standard Normal Deviation (Z)=1.037 Overall Standard Deviation (So)=0.45 Resilient Modulus (MR)=12,000 psi Effective Resilient Modulus (M R,seasonally adjusted)=4,600 psi Initial Serviceability (Po)=4.2 Terminal Serviceability (Pt )=2.0 Design Serviceability Loss (PSI)=2.2 Structural Number (SN): Hvy =3.4, Std =2.5 Input values for thickness calculations Asphalt layer coefficient (at)=0.37 Base course layer coefficient (a2)=0.14 Base course drainage coefficient (m.)=1.35 Subbase layer coefficient (a3)=0.13 Subbase layer coefficient (m-)=::1.30 Recommended Pavement Section Thicknesses (inches) REFERENCE Specified Specified 1-62 Specified 1-14 II-IS Specified Specified II-I0 II-35 II-18 II-19 II-25 II-21 II-25 Asphalt Concrete Crushed Base Course Pit-Run Subbase Imported Roadbed Standard Heavy 3 4 4 4 o o 12 12 Imported roadbed must have a minimum CBR value of 50 when compacted to a minimum of 95 of the modified Proctor maximum dry density. Add 5 inches subbase if subgrade compaction is 90 percent of modified Proctor maximum dry density. Verify CBR of import sample. DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 AASHTO 1993 METHOD FOR DESIGN OF CONCRETE PAVEMENT STRUCTURES FOR:PROPOSED RETAIL DEVELOPMENT,RENTON,WASHINGTON DESIGN LIFE: 20 YEARS DESIGN CALIFORNIA BEARING RATIO: 50%(imported pit-run sand and gravel) INPUT VALUES FOR STRUCTURAL NUMBER (SN) Estimated ESAL (20 yrs)=::43,800 (Std.), 335,800 (heavy duty) Reliability (R)=::85% Standard Normal Deviation (Zr)=::1.037 Overall Standard Deviation (So)=::0.35 Resilient Modulus (M R)=::15,000 psi Effective Resilient Modulus (M R,seasonally adjusted)=::4,000 psi Effective Modulus of Subgrade Reaction =::300 pci Initial Serviceability (Po)=::4.2 Terminal Serviceability (P t)=::2.0 Design Serviceability Loss (PSI)=::2.2 Input values for thickness calculations: Mean Concrete Modulus of Rupture =::550 psi Base course layer coefficient (az)=::0.14 Base course drainage coefficient (m-)=::1.35 Base Modulus (EsB)=::30,000 psi Subbase layer coefficient (aj)=::0.13 Subbase layer coefficient (m.)=::1.30 Subbase Modulus (E sB)=::20,000 psi Recommended Concrete Pavement Section Thicknesses (inches) REFERENCE Specified Specified 1-62 Specified 11-15 11-39 Specified Specified 11-10 Recommended 11-19 11-25 11-19 11-21 11-25 11-21 Standard Heavy Concrete 5 6 Crushed Base Course 4 4 Pit-Run Subbase o o Imported Roadbed 12 12 Imported roadbed must have a minimum CBR value of 50 when compacted to a minimum of 95 of the modified Proctor maximum dry density. Add 5 inches subbase if subgrade compaction is 95 percent of the standard Proctor maximum dry density. Verify CBR of import sample. DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371 F2EBC8E65 FOUNDATION SUBSURFACE PREPARATION NOTES UNLESS SPECIFICALLY INDICATED OTHERWISE IN THE DRAWINGS AND/OR SPECIFICATIONS, THE LIMITS OF THIS SUBSURFACE PREPARATION ARE CONSIDERED TO BE THAT PORTION OF THE SITE DIRECTLY BENEATH AND 10 FEET BEYOND THE BUILDING AND APPURTENANCES. APPURTENANCES ARE THOSE ITEMS ATTACHED TO· THE BUILDING PROPER (REFER TO DRAWING SHEET SPl), TYPICALLY INCLUDING, BUT NOT LIMITED TO, THE BUILDING SIDEWALKS, GARDEN CENTER, PORCHES, RAMPS, STOOPS, TRUCK WELLS/DOCKS, CONCRETE APRONS, COMPACTOR PAD, ETC. THE SUBBASE AND VAPOR BARRIER, WHERE REQUIRED, DOES NOT EXTEND BEYOND THE LIMITS OF THE ACTUAL BUILDING AND THE APPURTENANCES. THE SURFICIAL COAL TAILINGS AND EXISTING FILL SOILS SHALL BE COVERED WITH GRANULAR STRUCTURAL FILL TO ACHIEVE SUBGRADE ELEVATON BENEATH THE FLOOR SLAB AND PROVIDE ADEQUATE SUPPORT FOR ALL FOUNDATION CONSTRUCTION EQUIPMENT. THE UPPER ONE FOOT OF EXPOSED FILL SOILS SHALL BE PROOFROLLED AND COMP ACTED TO A FIRM AND UNYIELDING CONDITIN PRIOR TO PLACING THE GRANULAR STRUCTURAL FILL. A PASSIVE METHANE GAS VENTING SYSTEM SHALL BE INSTALLED IN WASHED ROCK FILL PRIOR TO INSTALLATION OF THE METHANE GAS VAPOR BARRIER. A 2-INCH THICK LA YER OF PROTECTIVE MATERIAL SHALL BE INSTALLED OVER THE METHANE GAS BARRIER THAT IS CAPABLE OF SUPPORTING REINFORCING STEEL SUPPORTS. ESTABLISH THE FINAL SUBGRADE ELEVATION AT 23 INCHES BELOW THE FINISHED CONCRETE ELEV A TION WHEN USING A 9 INCH SLAB TO ALLOW FOR THE SLAB THICKNESS, A 2-INCH METHANE BARRIER PROTECTIVE LAYER, MINIMUM 10-MIL METHANE GAS VAPOR BARRIER, AND 12 INCHES OF 7/8-INCH MINUS WAHED ROCK. SIX-INCH DIAMETER PERFORATED METHANE VENTING PIPES SHALL BE EMBEDDED IN THE W AHED ROCK PER THE PROJECT PLANS. THE 2-INCH METHANE BARRIER PROTECTIVE LA YER SHALL BE CONTROLLED DENSITY FILL OR APPROVED IMPORTED GRANULAR MATERIALS. THE CONTRACTOR IS RESPONSIBLE FOR OBTAINING ACCURATE MEASUREMENTS FOR ALL CUT AND FILL DEPTHS REQUIRED. EXISTING FOUNDATIONS, SLABS, PAVEMENTS, UTILITIES, AND BELOW-GRADE STRUCTURES SHALL BE REMOVED FROM OR PROPERLY ABANDONED IN-PLACE WITHIN THE BUILDING-AREA. EXISTING PILING SHALL BE CUT OFF 3 FEET BELOW THE NEW SLAB AND THEIR LOCATIONS PRESERVED FOR FUTURE REFERENCE DURING INSTALLATION OF THE NEW PILE FOUNDATIONS. REMOVE SURFACE VEGETATION, TOPSOIL, ROOT SYSTEMS, AND UNSUITABLE ORGANIC MATERIAL FROM THE BUILDING AREA. STRIPPED SOILS SHOULD NOT BE REUSED AS STRUCTURAL FILL UNLESS APPROVED BY THE OWNER'S GEOTECHNICAL ENGINEER. PROOFROLL EXPOSED SUBGRADE. REMOVE AND REPLACE UNSUITABLE AREAS WITH SUIT ABLE MATERIAL. FILL SHALL BE FREE OF ORGANIC AND OTHER DELETERIOUS MATERIALS AND SHALL MEET THE FOLLOWING REQUIREMENTS: LOCATION WITH RESPECT TO FINAL GRADE BUILDING AREA, BELOW UPPER 4 FEET BUILDING AREA, UPPER 4 FEET P.I. 20MAX. 12 MAX. L.L. 50MAX. 40MAX. STRUCTURAL FILL SHALL BE PLACED IN LOOSE LIFTS NOT EXCEEDING 8 INCHES IN THICKNESS AND COMPACTED TO AT LEAST 95 PERCENT OF THE MODIFIED PROCTOR MAXIMUM DRY DENSITY (ASTM: D-15 57) AT A MOISTURE CONTENT WITHIN 2 PERCENT BELOW TO 2 PERCENT ABOVE THE OPTIMUM. THE FOUNDATION SYSTEM SHALL BE PILES BELOW COLUMNS, WALLS, AND FLOORS AS DESCRIBED IN THE SOILS REPORT BY ZIPPER ZEMAN ASSOCIATES, INC. DATED DECEMBER 6, 2002, OR SUITABLE ALTERNATIVES APPROVED BY THE OWNER. THIS FOUNDATION SUBSURFACE PREPARATION DOES NOT CONSTITUTE A COMPLETE SITE WORK SPECIFICATION. IN CASE OF CONFLICT, INFORMATION COVERED IN THIS PREPARATION NOTE SHALL TAKE PRECEDENCE OVER THE PROJECT SPECIFICATIONS. REFER TO THE SPECIFICATIONS FOR SPECIFIC INFORMATION NOT COVERED IN THIS PREPARATION. ADDITIONAL RECOMMENDATIONS MAY ALSO BE FOUND IN THE GEOTECHNICAL REPORT PREPARED BY ZIPPER ZEMAN ASSOCIATES, INC., DATED DECEMBER 6, 2002. THE GEOTECHNICAL REPORT IS FOR INFORMATION ONLY AND IS NOT A CONSTRUCTION SPECIFICATION. KENT.WASHINGTON Period of Record Monthly Climate Summary Page I of 1 KENT,WASHINGTON (454169) Period of Record Monthly Climate Summary Period of Record :111111948 to 12/3112001 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual 5.73 4.32 3.88 2.70 1.86 1.56 0.85 1.15 1.78 3.49 5.88 6.00 39.20 o 4.0 42.1 61.5 o 0.9 ooooooooo 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 oo 1.6 0.5 33.5 35.0 36.5 39.8 44.6 49.7 52.4 52.2 48.3 42.6 37.0 33.9 45.9 50.7 54.6 60.7 67.4 72.5 78.0 77.5 72.0 61.3 51.5 46.0 Average Max. Temperature (F) Average Min. Temperature (F) Average Total Precipitation (in.) Average Total SnowFall (in.) Average Snow Depth (in.) Percent of possible observations for period of record. Max. Temp.: 91.5% Min. Temp.: 91.5% Precipitation: 91.9% Snowfall: 90.4% Snow Depth: 88.9% Check Station Metadata or Metadata graphics for more detail about data coll1pleteness. Western Regional Climate Center,wrcc@dri.edu http://www.wrcc.dri.edu/cgi-bin/cliRECtM.pl?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 KENT,WASHINGTON Period of Record General Climate Summary -Precipitation KENT,WASHINGTON Period of Record General Climate Summary ..Precipitation I Station:(454169)KENT I I From Year=1948 To Year=2000 1 I Precipitation "Total Snowfall I B~BEJBI 1Day Max.Ilo.;in.llo.;o~in.llo.;in.lk~~m.lIMeanllHi~ly earl tJBDtJDtJb!JBBBBtJtJD I January II 5.731111.751~1 0.831[§]12.3011 19/196711 2011 1311 411 11m1 18.21021 IFebruary II 4.3211 8.8510]1 0.37ICBI2.9511 08/199611 1611 1111 311 1lrnm~ I March II 3.8811 7.901C2Z11 0.441[~12.2511 05/197211 1711 1111 211 01031 10.01021 I April II 2.7011 6.821C2TI1 0.251~12.1911 04/199111 1411 811 111 010][Q]~ I May II 1.8611 4.391~1 0.38IGZlI1.7911 31/199711 1111 611 111 010][Q]~ I June II 1.5611 3.931~1 0.1010]12.2411 12/200011 911 411 111 010][Q]~ I July II 0.8511 3.531~1 0.001~11.1511 01/195411 511 211 011 01 O][ Q]0] I August I[IJ]~~I 0.00IGZlI1.7311 18/197511 611 311 011 010][Q]~ ISeptemberl~1 5.751~1 0.001~11.9711 23/197811 911 511 111 010][Q]0] I October II 3.4911 8.211~[Q1!]02I12.1611 09/195511 1411 811 211 110][Q]0] INovemberl1 5.881110.331Q211 0.881~12.5611 20/195911 1911 1311 411 1IrnG]G2l IDecemberI16.001110.791~~~16.0011 27/194911 2111 1311 411 1Irnl13.2I~ 1 Annual 1139.2oI154.541~121. 691~16.0011 1949122711 16111 9611 2311 510]1 18.21021 I Winter II 16.061123.621Q211 6.5910Z116.001i 1949122711 5711 3611 1011 31CIQ1131.4102l http://www.wrcc.dri.edu/cgi-bin/cliGCStP.pl?wakent Page 1 of2 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 KENT,WASHINGTON Period of Record General Climate Summary -Precipitation Table updated on Jun 4, 2001 For monthly and annual means, thresholds, and sums: Months with 5 or more missing days are not considered Years with 1or more missing months are not considered Seasons are climatological not calendar seasons Winter =Dec., Jan., and Feb. Spring =Mar., Apr., and May Summer =Jun., Jul., and Aug. Fall =Sep., Oct., and Nov. Western Regional Climate Center,wrcc@dri,(?qy http://www.wrcc.dri.edu/cgi-bin/cliGCStP.pl?wakent Page 2 of2 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 KENT,WASHINGTON Periodof RecordGeneralClimate Summary -Temperature KENT,WASHINGTON Period of Record General Climate Summary -Temperature Page lof2 I Station:(454169)KENT I I FromYear=1948 To Year=2000 1 IMonthly Averagesll Daily Extremes II MonthlyExtremes II Max.Temp.II Min.Temp.I BBB~BBBHighestBLowestB[;J[;J[; J~Max. Mm. Mean HIgh Date Low Date Mean Year Mean Year 90F 32F 32F 0 F 0[][jZdGZdEJDGDI#DaYsIE}DaY+DaYsl January II 45.91133.511 39.8[]~ 1 20/1981 I[ill1 18/195011 45.710]1 29.51[¥-1 0.011 0.811 12.611 0.01 February II 50.71135.011 42.910I11 29/1968101 011195011 47.71UDI 34.71[J2J1 0.011 0.211 9.611 0.01 March II 54.61136.511 45.610i11 29/196410Q11 04/195511 49.71~1 40Almi 0.011 0.011 7.911 0.01 April II 60.71139.811 50.31~1 30/19761~1 20/196111 54. 31~1 46.3lml 0.011 0.011 3.211 0.01 May II 67AI144.6100~1 20/1963 IOIl I 01/195411 61. 31~1 51.91~1 0.111 0.011 0.511 0.01 June II 72.511 49.7I[illl 10011 09l19551rnl 19/195611 65. 61~1 57.510I11 0.611 0.011 0.011 0.01 July II 78.011520411 65.21D211 12/19511~1 03/196211 69. 71~1 62.01~1 2.011 0.011 0.011 0.01 August II 77.51/52.211 64.810211 09/19811rnl 29/198011 69.510211 60.81~1 1.311 0.011 0.011 0.01 ISeptemberll 72.01148.311 60.1IL§]l 07/198110ill1 27/197211 64AI~1 56.51[J2]1 0.311 0.011 0.211 0.01 I October II 61.31142.61[ill~1 01/19751ml 28/197111 55. 51~1 49.11~1 0.011 0.011 20411 0.01 INovemberl[JD]137.011 44.210i11 02/1970101 23/198511 49.31~1 34.71[J]1 0.011 0.311 8.211 0.01 Decemberll 46.01133.911 39.91~1 27/1980101 23/198311 44AI~1 34.71[J]1 0.011 0.811 12.811 0.01 I Annual 1@]142.110TIlIl0011 195506091[ill1 1950011811 54. 31~1 49.3lml 4.311 2.111 57.311 0.11 I Winter II 47.51134.111 40.910I11 196802291[ill1 1950011811 44.61~1 36AI~1 0.011 1.811 35.011 0.01 http://www.wrcc.dri.edu/cgi-bin/cliGCStT.pl?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 54.9103l1 67.110]]1 Page 2 of2 0.0110.111 11.611 0.01 3.911 0.011 0.011 0.01 0.311 0.311 10.811 0.01 46. 71~1 60.9ICElI:=::::== 48.810]1 I Spring II 60.911 40.311 50. 61~1 1963052010Ql1 1955030411 I Summer II 76.011 51.4[§] 1 10011 195506091rnl 1956061911 I Fall 1~142.61[}D]~119810907IDI1985112311 55.51~1 KENT,WASHINGTON Period of Record General Climate Summary -Temperature Table updated on Jun 4, 2001 For monthly and annual means, thresholds, and sums: Months with 5 or more missing days are not considered Years with 1 or more missing months are not considered Seasons are climatological not calendar seasons Winter =Dec., Jan., and Feb. Spring =Mar., Apr., and May Summer =Jun., Jul., and Aug. Fall =Sep., Oct., and Nov. Western Regional Climate Center,l1!r~q[L~du http://www.wrcc.dri.edu/cgi-binicliGCStT.pl?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 Monthly Average Temperature, KENT, WASHINGTON KENT,WASHINGTON Page 1 of2 Monthly Average Temperature (Degrees Fahrenheit) 454169) File last updated on Oct 24, 2002 Note ***Provisional Data ***After Year/Month 200207 a =1day missing, b =2 days missing, c =3 days, ..etc.., z =26 or more days missing, A =Accumulationspresent Long-term means based on columns; thus, the monthly row may not sum (or average)to the long-term annual value. MAXIMUM ALLOWABLENUMBER OF MISSING DAYS:5 Individual Months not used for annual or monthly statistics if more than 5 days are missing. Individual Years not used for annual statistics if any month in that year has more than 5 days missing. AR JAN FEB MAR APR MAY JUN nn.AUG SEP OCT NOV DEC Am 1948 -----z -----z -----z -----z -----z -----z ----- z ----- z -----z -----z44.28 36.35 40.32 1949 29.47a35.08i 45.98 50.20 57.00 58.98 -----z 62.98 -----z ----- z -----z 36.44n50.77 1950 25.73i 39.04 -----z -----z -----z -----z ----- z ----- z -----z -----z -----z47.38g39.04 1951 38.82 41.86 42.08 52.63c57.39 63.83 67.34 64.56 61.24c51.47 44.05a37.40 51.89 1952 36.98 41.83 44.27 51.02 56.82 59.50 66.42 66.61 60.83a54.38b40.10 41.13 51.66 1953 45.66b42.48 46.10 49.82 55.82a58.87 65.21 65.00 60.09b51.68 45.90 41.71 52.36 1954 36.45 43.75 42.98 48.65 55.95 58.65 62.23 61.79 59.62 50.69 49.08 40.81 50.89 195540.1539.54 40.3546.3353.29 60.68 62.18 62.90 58.85 51.21 38.81a37.89 49.35 1956 38.82 35.72 42.02 50.87 58.70a58.70 66.77 64.94 59.13 50.50 41.74a40.58 50.71 1957 32.15 a40.00 45.72a52.45 60.24 62.62 63.60a 63.05 62.43 50.15 41.23 41.29c 51.24 1958 41.63 47.14 44.85d50.95 61.28a65.37 69.66 66.15 59.28 52.77 42.95 44.35d53.87 1959 40.83b41.02a44.81 50.45a53.77 61.02 64.82 61.74 56.45 50.61 42.05a39.05 50.55 1960 38.06 41.00a43.88b49.70 52.92 59.38 65.52 62.68 57.24a51.95 43.10 38.00 50.29 1961 42.85 44.20 45.88b47.75 54.93a63. 57a66.48 67.16 57.1Oa49.24 40.03a39.40 51.55 1962 37.42a42.15a42.57a50.93a51.94 59.30 63.85 62.96d60.02b52.27 45.62a41.70a50.89 1963 34.17a46.80 43.92a48.62 55.38f59.65 62.61 62.95a62.75 52.78f44.40 41.03 50.69 1964 41.48 41.41 45.15 47.55a53.65 60.18 64.15 63.26 58.08 52.31 41.37 36.44 50.42 1965 40.45 42.75 44.87 51.02 53.28b60.97 66.68 65.85 57.42 55.19 47.90 39.16 52.13 1966 40.32 42.80 45.50 50.13 55.15 59.90 63.53 64.50 61.32 51.31 45.07a44.21 51.98 1967 42.34 42.93 42.48 46.53 55.89 64.38 65.61 69.15 63.52 54.02 45.73 40.35 52.74 http://www.wrcc.dri.edu/cgi-bin/cliMONtavt.pl?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 Monthly Average Temperature, KENT, WASHINGTON Page 2 of2 344949434849494946515152 1968 39.85 45.98 47.97 48.95 56.52 60.43 67.03a63.29 59.33 50.84 44.95 35.90 51.75 1969 32.40 40.89 45.79 49.53 58.23a65.63 64.26 61.83a59.78a50.50 44.83 42.31 51.33 1970 40.16 44.88 45.27a47.52 55.12a63.22 65.10 63.68 56.84a50.03 44.73 38.37 51.24 1971 39.90 41.52 42.12a49.18 55.88c 57.55 65.77 67.14c 58.03 50.87 45.25 37.71 50.91 1972 36.71 41.62 47.37 46.98 58.06 60.27 64.63 64.26 56.48 49.08 44.83 37.47 50.65 1973 38.73 43.71 46.26 49.47 56.37 60.62a63.98 60.77 59.37 51.15 41.95 43.26 51.30 1974 38.08 43.57 45.80a50.10 53.50 60.80 62.81 64.98 62.17 -----z -----z42.90 52.47 1975 39.95 41.88 43.84 46.48 55.43a59.75 65.52d62.34 60.38 52.08 44.75 42.48 51.24 1976 42.55 41.53 43.12a49.57 56.22b54.94v63.75a62. 63a61.26a51. 62a45.21 b42.24 50.88 1977 36.63 45.61 44.18 51.80 53.45 61.27 63.13 68.34c 57.02 -----z42.82 -----z 52.42 1978 43.63 45.54 47.85 -----z 54.90a 63.55b65.76 64.94 58.42 52.97 -----z 36.23 53.38 1979 35.36b41.57 -----z 50.17c56.15h60.60 66.08 65.03a -----z -----z43.27 44.10 50.77 1980 33.36f44.00 -----z52.97a -----z -----z63.63 62.52b60.50k -----z45.80 43.85 52.13 1981 42.76 43.66 48.56 50.07c54.20a58.22c63.09c66.92a59.90 -----z44.27 -----z53.17 1982 40.02 42.38 44.77 47.93 55.35 63.63 62.32 64.45 60.98a52.10 41.33 39.44 51.23 1983 43.76 46.39 48.03 49.83 -----z60.50 64.26 65.45 58.37 50.31 47.33 35.27 51.77 1984 42.94 44.81 49.03 49.23 54.55 60.13 65.45 64.42 60.26a49.18 44.35 36.47 51.73 1985 36.39 39.00 42.95 50.20 55.68 60.97 67.34 64.13 56.82 -----z34.70 34.73 49.35 1986 44.18 43.29 49.60 49.07 55.69 62.80 62.05 67.21 j 58.50 53.60 44.98 40.21 51.27 1987 39.53 45.18 47.87 53.33 56.77 62.13 63.45a64.98 61.20 53.10 47.47 37.79 52.73 1988 39.50 43.55 45.23 50.88 -----z59.48 65.11 64.23 60.02 -----z45.57 40.56 51.41 1989 40.84 34.70 43.63 53.03 55.92 62.77 -----z ----- z -----z 51.91c46.08 41.17k48.61 1990 42.85 -----z47.74 -----z ----- z -----z -----z -----z64.18 51.74 -----z34.9248.29 1991 39.53 47.70 44.27 50.07 55.08 59.80 67.55 67.63 62.00 52.73 47.40 42.95 53.06 1992 43.92 47.02 49.71 54.30 60.61 -----z -----z67.35 60.28 54.00 45.22 38.62a52.10 1993 37.48 40.93 48.24 50.93 -----z61.65 62.45 66.16 61.78 55.53 41.13 40.08a51.49 1994 44.39 40.25 48.34 53.20 59.08 60.98 68.60 67.08 64.38 52.26 41.83 41.05 53.45 1995 -----z45.54 47.56 52.05 60.11 62.98 68.34 64.00 64.43 52.82 49.30 41.65 55.34 1996 40.74 43.78 47.97 53.38 54.66 61.31 a68.87 67.42 58.65 52.35 43.98 39.71 52.74 1997 41.29 42.98 46.40 51.50 60.53 61.82 66.68 69.50 63.25 52.48 48.77 41.21 53.87 1998 43.21 46.46 48.00 51.65 57.13 62.65 69.39 68.03 63.45 53.26 47.02 40.87 54.26 1999 42.93 b43.46a45.84b50.60d53.62c 60.43b64.67 a 66.50d61. 98d51.65 d48.38a42.24b52.69 2000 40.85a44.33 45.87a52.75 56.05 62.48 65.85 64.42a61.32 52.89d42.58 41.05c 52.54 2001 42.62 a41.02 b46.55 a49.26c 57.32 59.95 64.50 66.13e60.50b 51.43c 47.14a41.83 a52.35 2002 41.79 42.91 43.18 50.30 55.29 63.18 66.68 -----z -----z -----z ----- z -----z51.90 Period of Record Statistics 42.85 45.54 50.23 56.07 61.17 65.20 64.87 60.14 51.91 44.30 39.97 51.81 2.65 2.22 1.91 2.22 1.87 1.99 2.08 2.20 1.49 2.84 2.60 1.13 0.63 -0.08 -0.08 0.60 0.45 0.36 0.27 0.15 0.30 -0.72 -0.30 0.29 47.70 49.71 54.30 61.28 65.63 69.66 69.50 64.43 55.53 49.30 44.35 54.26 34.70 40.35 46.33 51.94 57.55 62.05 60.77 56.45 49.08 34.70 34.73 49.35 MEAN39.87 S.D. 3.35 SKEW -0.92 MAX 45.66 MIN 29.47 NO YRS 51 http://www.wrcc.dri.edu/cgi-bin/cliMONtavt.pl?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 Monthly AverageMinimum Temperature, KENT, WASHINGTON KENT,WASHINGTON Monthly Average Minimum Temperature (Degrees Fahrenheit) 454169) Page 1 of3 File last updated on Oct 24, 2002 Note ***Provisional Data ***After Year/Month 200207 a =1day missing, b =2 days missing, c =3 days, ..etc.., z =26 or more days missing, A =Accumulationspresent Long-term means based on columns; thus, the monthly row may not sum (or average)to the long-termannual value. MAXIMUM ALLOWABLENUMBER OF MISSING DAYS:5 Individual Months not used for annual or monthly statistics if more than 5 days are missing. Individual Years not used for annual statistics if any month in that year has more than 5 days missing. r~AR JAN FEB MAR APR MAY JUN.JUL AUG SEP OCT NOV DEC ANN 1948 -----z -----z ----- z -----z -----z -----z ----- z ----- z -----z ----- z 35.80 29.65 32.72 1949 20.55 29.75 36.61 39.77 43.87 44.03 -----z 50.42 -----z ----- z -----z27.41 n37.86 1950 15.77i 31.39 -----z -----z -----z -----z -----z -----z -----z ----- z -----z42.50g31.39 1951 33.26 35.11 34.52 38.44c44.45 49.37 52.74 50.13 48.63 43.42 36.62a32.16 41.57 1952 31.10 35.34 36.52 38.33 44.13 47.97 51.97 53.45 47.00 44.03b31.60 34.71 41.35 1953 40.90a 35.89 38.32 39.97 44.27a49.23 51.71 51.90 47.20 41.58 37.93 35.42 42.86 1954 30.55 37.04 32.13 39.10 43.81 47.87 49.10 50.84 50.17 41.84 43.40 34.52 41.70 1955 35.52 33.32 33.10 36.90 43.32 49.97 52.10 50.03 48.40 44.42 32.31a31.74 40.93 1956 31.90 29.34 33.77 38.07 45.00a48.43 53.19 51.81 48.07 42.77 35.55a35.29 41.10 1957 25.90a32.86 38.27a42.40 48.74 51.43 51.27a50.13 48.23 40.97 33.23 36.18c41.63 1958 36.61 41.36 35.11d39.47 47.53a53.53 54.42 50.52 47.17 42.03 35.03 37.57c43.36 1959 34.35 33.96a36.65 40.45a41.90 50.17 50.26 47.97 46.40 41.10 32.55a32.55 40.69 1960 31.48 32.75a34.17a39.07 42.84 46.67 49.68 52.03 45.62a43.03 34.97 30.68 40.25 1961 34.61 37.93 37.28b38.37 43.33a50.14a 52.10 51.77 44.03a39.13 30.17a33.03 40.99 1962 29.17a33.19a32. 73a40. 48a42.61 46.17 50.10 51.17b47.lOa42.81 37.62a35.30a40.70 1963 27.33a37.21 34.07a39.10 41.92e49.13 51.39 50.13a49.93 42.00e 36.87 35.13 41.19 1964 35.58 32.28 36.97 37.43 40.97 49.73 52.23 51.74 46.73 41.16 35.67 30.71 40.93 1965 35.19 35.89 31.61 39.73 41.28b47.47 52.00 53.26 44.70 44.00 40.43 32.55 41.51 1966 34.39 34.39 35.19 38.50 40.94 48.30 51.13 49.84 49.07 41.29 37.72a38.68 41.62 10£::"7 'J£::"I£::'JA A£::'J'J 'JO 'JC £::0 A'J £::C CO O'J C1 'J"I Cl0A AO 1'J AA 0"7 'J"70"7 '1A 0"7 Al0A http://www.wrcc.dri.edu/cgi-binicliMONtmnt.pl?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 Monthly Average Minimum Temperature, KENT,WASHINGTON Page 2 of3 17U/JU.4.U J"t."tu JJ.J7 JJ.uu "tJ.UJ JU.OJ J1. J4. J1.O"t "to.IJ "t"t.O/J/.7/J"t.7/"t1.7"t 1968 33.87 34.66 39.48 38.57 45.00 49.27 52.87a51.55 49.37 41.19 37.57 30.06 41.95 1969 27.23 32.43 34.45 39.80 44.60a54.07 50.10 48.67a48.77 39.32 37.73 35.42 41.05 1970 33.87 34.57 34.53a37.83 42.48 48.93 50.42 49.13 44.76a39.42 36.67 32.61 40.44 1971 34.00 34.86 34.30a37.60 44.11 c47.97 52.06 53.14c45.70 42.00 39.03 32.52 41.44 1972 30.61 34.28 39.45 37.77 44.74 49.47 50.90 49.81 44.23 37.68 37.10 32.19 40.69 1973 31.16 34.18 38.10 37.47 43.29 49.93a49.77 47.65 46.13 42.26 35.37 37.97 41.11 1974 31.29 37.36 37.50a41.87 44.03 47.73 50.32 50.45 45.63 -----z -----z36.61 42.28 1975 34.10 34.50 35.19 36.23 43.00a48.53 52.00d51.84 45.43 44.45 37.60 36.81 41.64 1976 36.52 34.97 34.53a38.23 44.17a44.96d51.00 53.03a49.83 40.57a36.86a34.81 41.62 1977 29.81 36.07 35.97 39.30 43.19 49.50 50.39 54.10b45.77 -----z35.23 -----z41.93 1978 37.87 38.54 38.03 -----z43.57a50.21 b52.84 53.55 50.03 41.39 -----z29.87 43.59 1979 28.07b 35.18 -----z 39.57b43.86c 47.43 52.39 52.53a -----z -----z 35.37 37.74 41.35 1980 25.68f36.31 -----z41.48a -----z -----z50.81 49.52b47.17 -----z38.07 37.55 42.99 1981 34.42 34.07 37.13 39.48c42.70a48.52c50.31 b50.81 45.50 -----z33.80 -----z41.67 1982 34.06 35.07 34.97 35.43 42.77 49.97 49.45 50.87 48.28a42.03 32.20 32.16 40.61 1983 36.61 38.00 38.19 36.43 -----z50.17 53.55 53.29 46.33 39.13 40.80 28.90 41.95 1984 36.61 36.76 39.87 38.57 43.39 49.43 51.45 49.84 47.90a38.97 37.97 30.06 41.73 1985 29.32 30.39 32.39 40.00 42.42 48.43 50.26 49.45 45.13 -----z27.03 28.48 38.48 1986 36.65 34.79 39.84 38.90 44.13 49.80 50.81 52.48j 48.30 43.84 39.90 33.48 41.86 1987 32.71 36.93 39.06 41.63 45.68 48.93 52.30a51.23 48.40 40.16 40.20 31.55 42.40 1988 32.94 35.52 35.90 41.00 -----z48.27 51.35 51.00 47.53 -----z40.10 34.52 41.81 1989 35.68 25.68 35.32 41.23 45.10 51.37 -----z -----z -----z43.21 c39.90 34.85k39.69 1990 37.97 -----z 38.55 -----z -----z ----- z -----z ----- z 53.93 43.26 -----z29.29 40.60 1991 33.39 40.04 36.71 41.63 47.77 51.40 56.39 57.52 50.67 43.06 42.00 37.45 44.84 1992 37.55 38.76 39.45 44.73 48.55 -----z ----- z 55.77 50.20 46.23 39.17 33.13a43.35 1993 30.84 31.04 39.48 43.67 -----z 53.33 54.52 56.10 49.57 47.26 33.03 33.87 42.97 1994 39.26 33.93 39.29 44.87 49.39 51.03 57.00 56.39 53.83 44.13 36.17 35.06 45.03 1995 -----z38.86 37.52 43.10 49.6853. 2358.4554.6553.97 44.48 43.23 35.35 46.59 1996 35.58 35.03 39.19 44.73 46.58 51.34a57.52 56.42 50.60 45.48 38.30 34.65 44.62 1997 35.65 35.64 39.61 42.73 50.87 53.80 57.06 59.00 53.43 46.29 40.37 34.00 45.71 1998 37.58 39.54 40.23 41.83 49.71 53.17 59.23 57.39 52.77 45.29 41.03 35.71 46.12 1999 37.86b37.44a 37.86b38.73 d44.36c 52.21b54.57 a 57.22d49.38d42.63 d42.00a37.62b44.32 2000 34.73a36.24 38.07a43.53 47.97 52.73 56.35 54.70a52.23 45.48d35.00 34.61c44.30 2001 36.13a32.15b 38.00a 40.67c46.58 51.30 54.58 56.15e51.14b44.25 c41.38a35.73 a44.01 2002 37.26 35.29 36.29 42.07 46.32 53.13 56.55 -----z -----z ----- z ----- z -----z43.84 Period of Record Statistics MEAN33.64 34.95 36.57 39.84 44.68 49.80 52.54 52.28 48.34 42.59 37.05 33.89 42.16 S.D.3.78 2.84 2.35 2.33 2.44 2.24 2.54 2.73 2.63 2.20 3.42 2.66 1.62 SKEW -0.97 -0.53 -0.29 0.37 0.83 -0.07 1.01 0.64 0.50 -0.09 -0.46 0.25 1.05 MAX 40.90 41.36 40.23 44.87 50.87 54.07 59.23 59.00 53.97 47.26 43.40 38.68 46.12 MIN 20.55 25.68 31.61 35.43 40.94 44.03 49.10 47.65 44.03 37.68 27.03 28.48 40.25 NO 51 53 51 51 48 50 49 49 49 44 49 4936YRS http://www.wrcc.dri.edu/cgi-bin/cliMONtmnt.pl?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 Monthly Precipitation, KENT, WASHINGTON KENT,WASHINGTON Monthly Total Precipitation (inches) 454169) Page 1 of2 File last updated on Oct 24, 2002 Note ***Provisional Data ***After Year/Month 200207 a =1day missing, b =2 days missing, c =3 days, ..etc.., z =26 or more days missing, A =Accumulations present Long-term means based on columns; thus, the monthly row may not sum (or average) to the long-term annual value. MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS:5 Individual Months not used for annual or monthly statistics if more than 5 days are missing. Individual Years not used for annual statistics if any month in that year has more than 5 days missing. JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN YEAR S) 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.91 7.51 3.51 2.25 0.49 1.23 O.OOz 0.42 O.OOz O.OOz 0.00 z 0.00x 0.00 z 2.33 1.90 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 7.39 7.31 3.68 0.62 1.23 0.10 0.64 1.00 2.38 6.09 4.08 2.66 2.86 1.95 1.03 0.75 0.54 0.56 0.17 1.08 11.75 3.42 3.04 2.70 3.26 2.33 0.67 1.86 1.18 4.97 7.93 3.98 2.45 2.81 2.04 1.97 1.92 1.29a 1.85 1.54 3.22 4.04 3.02 4.18 1.64 1.20 1.96 0.35 1.31 7.52 8.65 1.81 5.76 0.25 0.70 1.94 0.52 0.91 2.26 6.95 3.19 5.49 6.25 2.61 1.72 1.11 1.21 1.17 0.86 3.53 7.52 6.18 2.34 3.64 0.72 0.72 0.00 0.35 1.29 3.82 8.25 2.95 4.06 3.47 1.50 2.13 0.66 0.42 3.57 2.69 5.65 4.00 3.99 3.18 3.43 0.87 0.00 1.78 1.38 4.43 7.90 8.85 4.55a 2.68 3.43 0.56 0.56 0.55 0.67 3.20 2.40 2.48 3.13 2.10 2.20 0.83 0.54 1.42 2.13 3.67 2.27 5.30 2.47 3.14 0.82e 1.91 1.22 0.95 1.17 3.38 9.92 1.48 3.70 1.10 0.97 3.04 1.10 1.49 2.11 1.20 5.80 3.85 0.44 3.68 1.56 0.48 0.47 2.59 0.54 2.93 5.00 2.07 4.31 1.80 1.47 1.25 1.34 0.47 1.82 2.58 9.48 2.93 3.90 2.34 0.38 1.83 0.05 0.00 0.99 6.91 6.85 6.32 O.OOz 30.70n O.OOz 6.75f 4.90 3.75 0.88 5.13 7.02 6.31 7.16 5.75 8.48a 10.42 2.07 5.79 3.21 6.36 8.13 7.87 7.03 6.59 8.37 2.70 3.81 6.20 8.96 5.48 8.86 4.86 8.51 6.01 4.58 6.69 5.56 7.59 2.62 3.98 13.17 16.32 4.23 39.09 21.69 48.51 40.69 47.34 37.61 36.71 42.58 43.32 39.78 42.96 35.34 36.35 40.63 33.61 35.26 35.41 http://www.wrcc.dri.edu/cgi-bin/cliMONtpre.pl?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 Monthly Precipitation,KENT,WASHINGTON Page 2 of2 1968 6.91 5.51 5.09 1.43 1.57 3.49 0.66 5.13 2.12 4.18 5.99 8.39 50.47 1969 6.43 3.71 2.12 4.45 3.00 1.23 0.47 0.21 5.70 1.47 2.76 6.95 38.50 1970 8.49 2.47 3.63 3.58 1.48 0.67 0.55 0.57 2.84 2.84 5.82 9.92 42.86 1971 5.78 4.05 7.54 2.65 1.59 3.13 0.48 0.60 4.27 3.75 5.84 6.78 46.46 1972 6.65 8.80 6.39 5.17 0.67 1.85 1.59 1.45 4.36 0.90 3.91 8.70 50.44 1973 4.59 1.81 2.38 1.35 1.69 3.30 0.08 0.18 2.12 3.33 8.33 8.71 37.87 1974 8.12 4.90 5.98 3.09 2.44 1.31 1.47 0.02 0.17 O.OOz O.OOz 6.63 34.13 1975 6.83 5.86 3.35 2.80 1.57 1.02 0.71 4.36 0.00 8.21 5.45 7.35 47.51 1976 5.81 4.82 2.95 2.28 1.68 0.65 1.16 3.22 1.21 2.18 0.99 2.68 29.63 1977 2.51 1.40 4.08 0.67 3.73 0.75 0.42 3.98 2.59 O.OOz 5.69 O.OOz 25.82 1978 5.67 3.59 2.79 O.OOz 1.96 1.27 1.52 1.30 5.75 0.85 O.OOz 1.86 26.56 1979 2.55 6.17 O.OOz 1.49 1.33 0.36 1.02 1.24 O.OOz O.OOz 2.56 10.79 27.51 1980 4.68 5.03 O.OOz 3.64 0.00 z 0.00 z 0.69 0.88 1.77 O.OOz 9.92 7.98 34.59 1981 2.83 5.15 2.87 2.07 2.60 2.78 1.23 0.37 3.53 O.OOz 5.23a O.OOz 28.66 1982 4.98a 7.25 3.95 2.00 0.69 1.11 0.72 0.59 1.84 4.18 5.20 6.25 38.76 1983 7.07 4.76 4.40 1.51 O.OOz 2.45 3.53 2.33 2.24 1.17 8.76a 5.56b 43.78 1984 4.21a 4.51 4.40a 3.06 4.39a 3.93 0.00 0.12 1.13 3.12 8.64 5.57 43.08 1985 0.83 2.66a 3.35a 1.32a 1.24 2.33 0.05 0.86 2.11 O.OOz 4.60 2.34 21.69 1986 7.54b 4.34 2.69 1.79 1.97 0.69 0.87 0.05 1.80 4.01 8.19 3.33a 37.27 1987 5.42a 3.13 5.53a 3.10 2.68a 0.16 0.52a 0.36 1.27 0.31 2.76 6.96 32.20 1988 4.24 1.13 5.10 3.98 O.OOz 1.64 0.59 0.36 1.88a O.OOz 9.04a 3.53 31.49 1989 3.29 3.16 5.21b 2.79 2.63 1.40 O.OOz O.OOz O.OOz 3.08c 5.51 5.04i 27.07 1990 8.35a O.OOz 3.05 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.10 6.90 O.OOz 3.20a 21.60 1991 4.49 5.33a 5.67 6.82 1.63 1.37 0.29 1.97 0.01 1.76 5.38 3.02c 37.74 1992 7.04c 2.98b 1.09 3.40a 0.40 0.00 z 0.00 z 1.26 1.00 2.75 5.77b 4.07 29.76 1993 4.20 0.37 4.67 4.84b 0.00 z 1.89e 1.50a 0.28 0.00 1.88 1.34a 5.16b 26.13 1994 3.07a 6.36 3.71 3.30 1.29 1.39 0.32 0.32 1.28 3.59 5.35 7.71 37.69 1995 O.OOz 4.49 3.89 1.69 0.75 1.68a 1.30 2.22 1.36 4.23b 8.98 6.50 37.09 1996 7.69a 8.67 2.17a 6.12 2.74 0.52 0.91 1.31 2.08a 5.77b 6.16a 10.40a 54.54 1997 6.35a 2.12a 7.90 4.12a 3.85 2.32 1.57 1.09 3.05 5.56f 3.61a 3.12b 39.10 1998 7.57 2.76 3.56a 0.90 2.45c 1.34b 0.50 0.29 0.62 3.12a 10.24a 9.43 42.78 1999 7.38b 6.81a 4.64b 1.45c 2.01b 1.78a 1.10 1.56 0.12 2.38b 10.33a 4.95 44.51 2000 3.71a 5.71 2.42a 1.50 2.85 2.94 0.50 0.39 1.22 4.15 2.85 2.49 30.73 2001 2.74 1.59 3.00a 3.72b 1.36 3.92 1.22 1.85 0.79 3.27b 11.23 6.39a 41.08 2002 5.92 4.31 3.31 3.48 1.25 2.00 0.84a 0.00 z 0.00 z 0.00 z 0.00 z O.OOz 21.11 Period of Record Statistics MEAN 5.68 4.27 3.85 2.74 1.84 1.62 0.85 1.17 1.76 3.49 5.99 6.01 40.03 S.D.2.39 2.04 1.48 1.35 0.97 0.96 0.64 1.12 1.34 1.90 2.66 2.28 6.51 SKEW 0.04 0.41 0.55 0.68 0.67 0.68 1.59 1.72 1.18 0.67 - 0.07 0.15 -0.22 MAX 11.75 8.85 7.90 6.82 4.39 3.93 3.53 5.13 5.75 8.21 11.23 10.79 54.54 MIN 0.83 0.37 0.44 0.25 0.38 0.10 0.00 0.00 0.00 0.31 0.88 1.86 21.69 NO 52 52 51 52 49 50 49 50 49 43 49 4936YRS http://www.wrcc.dri.edu/cgi-bin/cliMONtpre.p1?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 Monthly Total Snowfall,KENT,WASHINGTON KENT,WASHINGTON Monthly Total Snowfall (Inches) 454169) Page 10f4 File last updated on Oct 24,2002 Note ***Provisional Data ***After YearlMonth 200207 a =1 day missing, b = 2 days missing, c =3 days, ..etc.., z =26 or more days missing, A =Accumulations present Long-term means based on columns; thus, the monthly row may not sum (or average) to the long-term annual value. MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS:5 Individual Months not used for annual or monthly statistics if more than 5 days are missing. Individual Years not used for annual statistics if any month in that year has more than 5 days missmg. AR JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANN 1~~7-O.OOz O.OOz O.OOz O.OOz O.OOz O.OOz O.OOz O.OOz O.OOz O.OOz O.OOz O.OOz 0.00 1948- 49 0.00z 0.00z 0.00z 0.00z 0.00 0.00 2.30 6.50 0.00 0.00 0.00 0.00 8.80 1949- 50 O.OOz 0.00 O.OOz O.OOz O.OOz 2.00n22.l0i 0.00 O.OOz 0.00 0.00 O.OOz 0.00 1~5l0-O.OOz O.OOz O.OOz O.OOz O.OOz O.OOf 1.10 0.00 7.60b 0.00 0.00 0.00 8.70 1951- 52 0.00 0.00 0.00 0.00 0.00 1.50 5.60 0.00 0.00 0.00 0.00 0.00 7.10 1952- 53 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1953- 54 0.00 0.00 0.00 0.00 0.00 0.00 11.30 0.00 O.OOb 0.00 0.00 0.00 11.30 1954- 55 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 5.00 0.00 0.00 0.00 5.00 1955- 56 0.00 0.00 0.00 0.00 5.50a 7.00 0.30 6.lOd 7.00 0.00 0.00 0.00 25.90 1956- 57 0.00 0.00 0.00 0.00 0.00 1.50 5.80 3.00e 0.00 0.00 0.00 0.00 10.30 1957- 58 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1958- 59 0.00 0.00 0.00 0.00 O.OOc 0.00 O.OOa O.OOw O.OOa 0.00 0.00 0.00 0.00 1959- 60 0.00 0.00 0.00 0.00 0.00 O.OOa 3.00 0.00 3.00 0.00 0.00 0.00 6.00 http://www.wrcc.dri.edu/cgi-bin/cliMONtsnf.pl?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 Monthly Total Snowfall,KENT,WASHINGTON Page 2 of4 1960- 61 1961- 62 1962- 63 1963- 64 1964- 65 1965- 66 1966- 67 1967- 68 1968- 69 1969- 70 1970- 71 1971- 72 1972- 73 1973- 74 1974- 75 1975- 76 1976- 77 1977- 78 1978- 79 1979- 80 1980- 81 1981- 82 1982- 83 0.00 0.00 0.00 0.00 6.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.00 0.00 6.50 0.00 0.00 0.00 0.00 0.00 0.00 1.00 1.50 0.00 0.00 0.00 0.00 0.00 a 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.60 O.OOz 0.00 0.00 0.00 0.00 0.00 0.00 3.00 0.00 z 0.00 0.00 0.00 0.00 0.00 0.00 0.70 3.00 0.00 0.00 0.00 0.00 0.00 0.00 1.50 0.00 z 0.00 0.00 0.00 0.00 0.00 0.00 13.20 18.20 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.20 1.10 0.00 0.00 0.00 0.00 0.00 4.00s 10.00 0.00 0.00 0.00 0.00 0.00 0.00 4.00 2.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.80 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 b 0.80 0.00 0.00 0.00 0.00 0.00 0.20 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.60 0.00 0.00 0.00 0.00 O.OOz 3.00 O.OOz 0.00 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 0.00 0.00 z 0.00 0.00 0.00 0.00 O.OOz 0.00 O.OOa 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 0.00 z 2.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00e 0.00 0.00 0.00 6.00 0.60 0.00 0.00 0.00 8.10 0.00 0.00 0.00 e 0.00 2.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.60 O.OOz 0.00 0.00 0.00 3.00 0.00 0.00 0.00 0.00 3.70 0.00 0.00 0.00 0.00 1.50 0.00 0.00 0.00 0.00 31.40 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.30 0.00 0.00 0.00 0.00 10.00 0.00 0.00 0.00 0.00 6.00 0.00 0.00 0.00 0.00 0.80 0.00 0.00 0.00 0.00 0.80 0.00 0.00 0.00 0.00 0.20 0.00 0.00 0.00 0.00 0.60 0.00 O.OOz 0.00 0.00 3.00 0.00 z 0.00 0.00 0.00 0.00 0.00z 0.00 0.00z 0.00z 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.00 0.00 0.00 0.00 z 0.00 0.00 http://www.wrcc.dri.edu/cgi-bin/cliMONtsnf.p1?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65 Monthly Total Snowfall,KENT,WASHINGTON Page 3 of4 1983- 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0084 1984- 0.00 0.00 0.00 0.00 0.00 O.OOz O.OOz O.OOz 0.00 0.00 0.00 0.00 0.0085 1985- 0.00 0.00 0.00 0.00 z 0.00z 0.00z 0.00 0.00 0.00 0.00 0.00 0.00 0.0086 1986- 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0087 1987- 0.00 0.00 0.00 0.00 0.00 O.OOa 0.00 0.00 0.00 0.00 O.OOz 0.00 0.0088 1988- 0.00 0.00 0.00 O.OOz 0.00 0.00 0.00 a 0.00z 10.00 0.00 0.00 0.00 10.0089 1989- 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.00 O.OOz 0.00 0.00 z 0.00 z 0.00 z 0.0090 1990- 0.00 z 0.00z 0.00 0.00 0.00z 0.30 b 0.00 0.00 0.00 0.00 0.00 0.00 0.3091 1991- 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 O.OOz 0.0092 1992- O.OOz 0.00 0.00 0.00 0.00 O.OOz 0.00 O.OOa 0.00 0.00 O.OOz 0.00 0.0093 1993- 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 1.0094 1994- 0.00 0.00 0.00 0.00 0.00 0.00 O.OOz 0.00 0.00 0.00 0.00 0.00 0.0095 1995- 0.00 0.00 0.00 0.00 0.00 0.00 2.00a 0.00 0.00 0.00 0.00 0.00 2.0096 1996- 0.00 0.00 0.00 0.00 0.00 2.30 0.00 0.00 0.00 0.00 0.00 0.00 2.3097 1997- 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0098 1998- 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0099 1999- 0.00 O.OOa 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0000 2000- 0.00 0.00 0.00 0.00 0.00 0.00 0.00 O.OOa 0.00 0.00 0.00 0.00 0.0001 2001- 0.00 0.00 O.OOa 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0002 Period of Record Statistics MEAN 0.00 0.00 0.00 0.00 0.31 0.86 1.55 0.51 0.66 0.00 0.00 0.00 4.48 S.D.0.00 0.00 0.00 0.00 1.23 2.31 3.49 1.58 2.11 0.00 0.00 0.00 7.40 SKEW 0.00 0.00 0.00 0.00 3.99 3.91 3.20 3.22 3.23 0.00 0.00 0.00 2.48 MAX 0.00 0.00 0.00 0.00 6.00 13.20 18.20 6.50 10.00 0.00 0.00 0.00 31.40 MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 NO 48 50 49 44 48 46 47 50 50 52 49 5030YRS http://www.wrcc.dri.edulcgi-bin/cliMONtsnf.pl?wakent 10/29/02 DocuSign Envelope ID: 6314EAD5-0BEB-42DD-88C0-371F2EBC8E65