WALLA WALLA 13 ESE, OR

Monthly Sum of Heating Degree Days (Degrees Fahrenheit)

(358985)

Base Temperature = 65 F

File last updated on Jul 01, 2015
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 missing.

YEAR(S)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1948-----z-----z-----z-----z-----z-----z-----z97.50 306.50 619.50a918.16b1219.66b3161.32g
19491535.69b1009.00 856.00 492.50a301.00a236.00 102.00 107.59b263.50a715.00 757.00a1041.50a7416.78
19501526.00a1006.50 924.50 -----z542.00 251.00a45.00 44.50 257.00 505.50a832.50 837.50a6772.00a
19511120.50 867.50 806.00 469.50 356.00 235.00a65.00 86.50 224.50 605.00 868.00 1158.50 6862.00
19521203.50 918.00 853.50 442.00a334.00 212.28e47.14c86.50 175.00 419.00 1021.00 1040.00 6751.92
1953814.00 838.50 799.00 578.00a461.50 329.00a64.00 84.00 177.50 499.00 716.50 952.50 6313.50
19541046.38b862.00 887.50 565.00a323.04c303.50 63.50 161.00 289.00 587.00 716.00 1072.50 6876.42
19551061.25c887.22c989.50 710.00 448.97b170.00a129.00a62.00a282.50 509.00a1007.00a1055.50a7311.94
19561033.27e1051.56b828.00a494.50 307.50 229.00a33.00 72.00 201.00a579.50 949.00a1011.50 6789.82
19571435.00a902.00a806.00 558.50 300.00 171.50 64.00 139.00 192.00 594.83b892.50a919.00 6974.33
19581010.50 658.00 810.00 611.59b224.50 111.00a25.50 16.50 278.50 509.50 427.00o874.00a5129.59a
1959979.00a890.50 763.33d521.00a466.00 181.50 58.50a135.00 315.50 518.00a933.50 1025.00a6786.83
19601213.50 914.00 789.50 527.50 426.00 175.00 29.00 152.00 233.50 528.50 832.00 1131.50 6952.00
19611029.00 728.50 759.00 577.00 378.50 85.00 21.00 14.50 348.50 592.50 962.00 1030.00 6525.50
19621104.00 852.50 829.50 469.00 479.50 216.50 122.00 121.00 241.00 559.00 775.50 941.50 6711.00
19631276.50 756.50 748.00 634.00 344.50a203.50a124.00 82.00 122.00 448.50 783.00 1055.69b6578.19
1964990.00 899.50 856.50 641.50 428.50a220.00 82.00 149.50 301.50 548.00 888.50 1036.00a7041.50
1965988.00a820.50 852.00 513.00 419.00 180.00 60.00 85.50 360.50 420.00 725.50 1051.00 6475.00
19661023.00 891.00 810.50 540.50 330.50 240.50 89.00 81.00 151.00 549.00 759.00 896.50 6361.50
1967905.00 772.50 812.50 708.50 383.00 131.50 21.50 14.50a97.74c486.21b831.00 1024.00a6187.95
19681010.50 749.50a654.00 609.00a383.00 179.00 43.00a145.00 259.50 607.50 799.57b1095.50 6535.07
19691317.00a910.50 799.50a549.39c276.50a86.00 55.50a54.83b177.50 623.28b827.04c1008.50a6685.53
19701082.50 759.50a809.50 702.98c364.00 104.50a35.00a33.10b357.32b575.00a812.50 1048.00 6683.91
1971931.50a821.00 894.50 590.50 349.00 272.00 90.54c23.28b372.50 634.50a821.00 1064.50 6864.81
19721096.00 927.00 664.50 621.83d314.00 144.00 86.54e40.86b322.50a572.59b794.50 1135.50a6719.81
19731124.00 837.00 744.50 573.56c282.41b168.00f35.19e89.50 243.50 558.00a894.00 925.50 6307.16a
19741217.50 805.00 765.50 564.98b453.00 118.50 73.00 56.00 120.00k500.50a764.50 946.50 6264.98a
19751055.00 904.50b843.50a697.00a386.50a222.68b-----z73.97b199.50 521.50 803.94c468.50o5708.09b
1976-----z313.00q-----z-----z-----z-----z5.00q83.00f114.88d-----z770.17d1008.10b1893.16i
19771258.50 794.00 838.50 443.50 455.00d79.50 90.00 77.50 318.50 -----z-----z1002.69e5357.69b
19781018.00 552.50i672.41b550.50a433.00 -----z-----z-----z-----z-----z746.50h-----z2673.91h
1979-----z-----z-----z-----z349.50 141.00 37.00a32.50 120.00 481.00 984.00 929.50 3074.50d
19801234.00 887.50 804.50 447.00 395.00 207.50a56.50a139.50 257.50 490.00 828.00 522.00o5747.00a
1981746.00l787.32c461.50i606.00 -----z-----z-----z37.50c235.00 591.50 760.00 964.00 3981.32e
19821021.55b907.50 760.00a622.50 374.50a131.02b105.54c38.50 247.50a560.00 910.50a1017.50a6696.61
1983904.50 679.00a660.50 572.50 331.00a197.00 99.00 12.50a291.04b506.90b-----z-----z4253.93b
1984170.50y884.00 726.00 602.50 448.50a248.50a45.52b28.00g280.33c646.00 824.00 1138.50a5843.85b
19851301.00 989.50 867.00 471.25b313.45b161.05b6.00 108.10b392.00 567.86c1196.50 1385.00 7758.71
1986934.29c861.50 624.50 -----z-----z-----z-----z-----z-----z523.50 862.50 1052.00a4858.29f
19871122.41b842.00 720.00 353.18b271.50a134.00 77.50 77.50a138.50a481.50a772.50 1048.50 6039.09
1988809.00j814.00a740.00 487.00 363.10b186.43b57.22d41.90b178.14b338.00 813.00 1014.83b5033.62a
1989980.17b1077.92b753.10b440.91c395.77e105.26c23.00f95.69b206.00 537.78d758.00 1059.50 6410.10a
1990913.27e867.63b706.00 419.94d361.03b166.23b16.03b71.90b83.38b570.52b714.50a-----z4890.44a
1991-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1992-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1993-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1994-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1995-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1996-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1997-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1998-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1999-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
2000-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
Period of Record Statistics
MEAN1103.13 862.35 790.48 552.09 373.17 182.86 62.62 77.99 240.33 542.00 843.04 1032.04 6755.99
S.D.169.74 91.79 77.94 85.88 68.03 60.83 31.92 42.62 79.88 69.66 100.03 99.06 375.06
SKEW0.91 0.11 -0.02 -0.03 0.19 0.24 0.35 0.27 -0.12 -0.37 1.32 1.03 0.61
MAX1535.69 1077.92 989.50 710.00 542.00 329.00 129.00 161.00 392.00 715.00 1196.50 1385.00 7758.71
MIN814.00 658.00 624.50 353.18 224.50 79.50 6.00 12.50 83.38 338.00 714.50 837.50 6039.09
YRS37.00 39.00 39.00 38.00 39.00 37.00 36.00 39.00 40.00 40.00 39.00 38.00 25.00