WILBUR, WASHINGTON

Monthly Total Heating Degree Days

(459238)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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.
Months with 5 missing days or less use mean for missing day(s)
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 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1900 0.00 z 1037.04 a 674.50 463.00 312.67 b 115.50 95.00 130.72 a 290.69 a 574.02 a 977.59 a 925.50 5596.22
1901 1267.50 1034.00 819.00 687.41 a 357.50 355.50 118.00 18.50 346.50 361.15 a 844.66 a 1132.53 a 7342.25
1902 1306.13 a 970.50 882.98 a 635.50 388.02 a 301.00 153.50 105.00 g 309.50 491.35 a 962.50 1257.05 a 7658.03
1903 1220.50 1196.00 939.00 704.00 426.50 124.66 a 134.00 97.50 351.00 554.00 983.00 1171.00 7901.16
1904 1225.50 1138.00 989.50 436.50 403.00 205.50 92.50 71.50 199.00 520.00 709.50 1113.50 7104.00
1905 1182.00 1021.50 682.50 533.00 417.47 a 210.00 55.00 137.90 b 144.00 h 772.86 b 902.00 1237.00 7151.23
1906 1272.50 917.50 876.00 449.50 366.50 277.00 2.00 98.00 263.50 554.50 1008.50 1170.00 7255.50
1907 1625.50 1027.50 928.50 628.00 286.00 236.00 59.50 j 192.50 235.00 358.50 781.50 1048.00 7347.00
1908 1158.00 1038.50 804.50 520.00 411.00 181.00 40.50 90.50 219.00 549.50 758.50 1219.50 6990.50
1909 1531.00 936.50 753.50 651.50 410.00 155.00 104.88 a 33.50 y 223.50 568.00 841.50 1351.50 7526.88
1910 1274.00 1160.50 610.50 416.50 204.00 g 227.50 50.00 167.00 253.45 a 525.50 858.50 1088.50 6631.95
1911 1310.50 1114.50 714.50 552.00 350.00 132.69 d 36.34 b 63.11 c 246.00 g 610.50 1033.80 e 1257.50 7175.44
1912 1383.00 900.50 853.00 523.50 309.50 157.00 98.00 165.00 332.07 a 731.00 866.00 1170.00 7488.57
1913 1444.50 1270.50 1013.59 c 542.00 381.50 148.50 130.64 c 100.00 277.00 701.12 a 843.50 1159.40 a 8012.25
1914 1071.50 1023.00 718.50 492.00 308.50 251.50 65.74 b 52.00 315.52 a 534.00 874.14 a 1428.00 7134.40
1915 1400.00 860.16 c 691.00 450.50 368.50 200.00 97.50 16.00 279.31 a 577.00 1045.86 a 1228.00 7213.83
1916 1654.50 1085.00 828.50 571.00 451.57 a 214.00 138.00 84.00 h 220.00 h 665.00 1071.50 1474.50 8153.57
1917 1473.50 1132.00 774.00 i 679.50 367.87 a 244.50 59.50 21.70 a 115.00 l 478.00 g 722.50 1057.50 5758.57
1918 1145.00 1016.50 0.00 z 537.50 425.50 85.00 54.50 75.00 k 80.00 475.00 889.00 1111.00 5819.00
1919 1102.00 1022.00 c 815.41 c 532.50 350.50 259.00 48.00 38.50 246.00 643.00 f 907.50 1434.50 6755.91
1920 1267.00 958.50 896.93 a 614.50 495.50 217.50 13.00 h 53.70 c 230.50 531.13 a 802.22 c 1077.50 7144.99
1921 1194.00 942.50 773.00 627.60 e 0.00 z 140.17 a 66.65 a 52.00 378.50 511.50 998.00 955.00 f 5683.92
1922 1578.93 a 995.50 f 653.00 k 586.50 332.50 22.00 2.30 d 49.00 172.00 479.95 c 947.00 1446.00 5616.18
1923 1100.50 d 1295.50 870.50 512.00 362.00 192.50 46.50 43.00 206.00 468.50 810.00 1127.76 b 7034.76
1924 1402.50 765.50 821.50 578.00 193.00 151.00 60.93 b 80.00 235.00 548.00 920.50 1341.00 7096.93
1925 1269.00 782.50 731.00 407.50 219.00 160.50 0.50 106.00 238.00 600.50 916.50 961.52 a 6392.52
1926 1150.00 792.00 631.00 389.00 372.00 83.00 25.00 47.02 a 352.50 504.50 807.00 e 1173.50 6326.52
1927 1292.00 961.50 826.00 620.00 428.00 100.50 59.00 93.00 228.50 j 547.50 857.00 1344.00 7128.50
1928 938.50 g 1064.00 753.00 625.50 238.00 160.00 37.00 71.50 227.88 d 539.50 909.50 1218.00 5843.88
1929 1602.00 1398.00 776.00 657.32 b 364.50 179.00 54.00 38.50 288.50 454.50 980.00 1041.50 7833.82
1930 1651.00 940.50 756.00 423.50 238.00 h 180.00 31.00 27.50 188.50 656.50 1009.82 b 1242.00 7106.32
1931 1093.00 978.50 807.00 548.50 248.50 191.00 47.50 47.00 262.50 600.50 996.00 1212.00 7032.00
1932 1393.00 1205.50 899.00 537.00 393.50 137.50 114.18 a 109.50 257.50 573.00 785.50 1309.50 7714.68
1933 1251.37 a 1303.83 e 869.55 a 574.00 499.00 223.50 62.52 a 61.48 a 371.38 a 497.55 a 798.00 881.50 7393.67
1934 896.50 732.00 634.50 325.50 326.53 a 155.17 a 90.93 a 13.95 a 350.69 a 508.92 a 721.50 1136.00 5892.20
1935 1196.50 878.00 853.00 637.24 a 348.23 a 189.31 a 85.77 a 110.57 a 169.66 a 596.23 a 1008.10 a 1119.50 7192.11
1936 1170.00 1511.00 833.50 468.00 173.50 128.00 34.50 34.50 215.50 376.65 a 973.00 1064.50 6982.65
1937 1761.50 1149.00 734.00 588.50 216.00 121.15 d 29.50 104.00 152.50 434.00 787.00 1042.50 7119.65
1938 1107.50 954.00 797.50 532.00 326.00 113.50 24.00 92.50 90.00 a 525.81 e 978.50 1171.00 6712.31
1939 1098.00 1133.00 848.50 489.00 317.00 255.00 68.00 42.62 c 229.50 652.50 893.50 1002.50 7029.12
1940 1201.00 957.00 736.50 589.00 336.00 154.00 36.00 g 68.50 169.50 493.00 1067.50 1121.50 6893.50
1941 1135.50 826.00 677.00 487.00 413.50 210.00 19.00 104.00 424.50 614.66 b 754.50 1042.50 6708.16
1942 1324.50 944.00 799.50 543.46 d 427.50 280.00 58.50 77.00 215.50 514.50 1014.00 1179.50 7377.96
1943 1458.00 1035.50 973.00 495.00 a 478.90 b 252.78 c 87.83 a 97.50 164.00 521.50 847.50 1147.00 7558.51
1944 1221.00 1059.50 931.00 541.00 319.00 130.86 a 43.00 69.00 206.00 391.00 917.50 1231.50 7060.36
1945 1136.50 899.50 900.00 674.00 335.00 205.00 47.50 53.00 275.50 g 499.50 978.00 1148.50 6876.50
1946 1222.50 1010.50 800.50 572.00 301.50 255.00 63.00 40.50 293.50 764.00 1025.00 1102.50 7450.50
1947 1424.50 921.50 706.50 504.50 188.00 121.50 16.50 10.50 i 155.50 501.00 888.50 1088.00 6516.00
1948 1195.00 1059.50 863.00 615.50 361.50 54.50 56.00 45.00 254.00 577.00 0.00 z 0.00 z 5081.00
1949 0.00 z 0.00 z 0.00 z 462.93 a 219.00 122.00 24.00 55.50 168.46 d 641.50 657.50 1110.50 3461.39
1950 1731.00 984.50 861.00 625.00 348.00 124.50 26.00 8.50 178.00 548.00 853.50 958.00 7246.00
1951 1152.00 939.50 966.00 552.00 286.00 129.00 26.00 50.00 193.50 569.00 874.00 1261.50 6998.50
1952 1256.00 980.00 872.50 421.00 236.00 110.00 29.93 b 38.00 66.50 287.50 937.00 1030.50 6264.93
1953 859.00 806.00 736.00 535.00 361.50 287.00 27.00 i 81.50 162.50 413.00 750.50 976.00 5968.00
1954 1189.00 857.00 871.50 644.50 322.50 249.00 51.50 109.00 245.00 598.00 679.00 1092.00 6908.00
1955 1168.50 1060.00 1029.50 712.00 460.50 113.50 94.00 47.00 231.00 543.00 1099.50 1198.00 7756.50
1956 1137.50 1271.50 940.00 447.00 241.00 177.00 24.00 56.50 201.50 576.00 961.00 1109.50 7142.50
1957 1602.00 1096.00 812.50 507.00 170.50 120.50 56.50 94.50 116.50 553.00 862.00 956.00 6947.00
1958 998.00 673.50 804.50 584.50 169.00 70.50 6.50 16.00 248.28 a 473.50 901.00 1064.50 6009.78
1959 1126.00 999.00 801.00 514.50 425.50 155.00 56.50 108.00 272.00 585.00 950.00 1069.50 7062.00
1960 1334.50 961.50 775.50 557.00 417.50 122.50 6.00 118.00 156.00 472.00 848.50 1113.50 6882.50
1961 1057.50 761.50 757.00 569.50 309.50 56.00 7.50 7.50 271.00 626.50 989.50 1203.50 6616.50
1962 1310.50 907.50 877.50 455.50 416.50 157.00 51.00 59.50 155.50 512.00 786.50 956.00 6645.00
1963 1333.00 778.50 744.50 581.50 306.00 136.50 47.50 53.00 67.00 444.50 795.00 1136.50 6423.50
1964 1134.00 1056.00 893.50 606.50 346.50 121.50 31.00 96.50 247.00 505.50 864.50 1227.00 7129.50
1965 1139.50 942.00 868.50 455.00 361.00 94.00 37.00 52.00 280.50 382.50 759.50 0.00 z 5371.50
1966 0.00 z 0.00 z 0.00 z 583.97 a 378.41 b 269.00 69.00 69.50 137.50 599.50 804.00 1013.00 3923.88
1967 1032.00 819.00 853.00 706.50 416.50 88.97 a 47.50 6.00 87.00 527.00 c 885.00 1176.00 6644.47
1968 1143.50 820.00 728.50 663.00 365.00 189.50 51.50 120.00 203.50 620.00 893.00 1285.50 7083.00
1969 1566.00 1105.00 900.50 567.00 186.53 b 73.50 47.00 74.00 221.50 652.00 854.48 a 1090.50 7338.02
1970 1211.14 b 854.00 835.00 679.00 329.50 98.00 4.50 q 0.00 z 345.50 592.00 913.00 1254.50 7111.64
1971 1191.50 914.00 981.50 597.50 286.50 264.50 91.00 27.50 342.00 630.00 907.00 1310.50 7543.50
1972 1403.50 1064.50 763.50 692.00 321.00 167.00 59.50 31.50 353.50 575.00 844.50 1271.00 7546.50
1973 1241.00 928.00 761.00 544.50 319.00 179.50 64.00 73.00 213.50 583.50 968.28 a 979.00 6854.28
1974 1282.50 840.50 822.00 536.50 452.50 133.00 57.50 42.00 137.50 513.00 840.00 1074.00 6731.00
1975 1338.00 1154.50 964.50 674.00 396.50 188.50 23.50 98.50 162.00 587.00 918.10 a 1073.50 7578.60
1976 1181.50 964.00 891.00 319.00 o 388.00 313.50 55.50 87.00 125.50 559.00 922.50 1179.60 b 6667.10
1977 1375.00 887.50 682.00 f 465.50 469.00 78.33 c 88.87 a 70.27 a 322.00 607.50 1005.54 b 1212.00 6581.50
1978 1172.32 a 889.00 744.00 e 567.93 a 452.08 a 119.50 47.50 128.00 289.50 591.50 1061.50 1474.50 7537.33
1979 1640.93 a 1028.74 a 772.00 609.00 332.98 b 178.00 64.50 7.75 e 146.50 463.93 b 1039.00 1006.47 a 7289.80
1980 1439.50 961.14 a 840.58 e 481.03 a 352.62 c 262.22 c 79.05 a 135.37 a 233.00 540.95 a 884.48 a 1025.00 7234.95
1981 970.19 d 899.50 733.50 457.50 g 393.50 283.89 c 106.78 d 43.50 235.50 619.40 e 831.43 b 1172.50 6289.68
1982 1305.50 993.50 845.50 694.00 384.00 114.00 96.00 85.50 241.00 617.50 1019.00 1221.00 7616.50
1983 987.50 793.00 703.50 574.00 323.00 195.50 120.00 14.50 339.00 563.50 817.00 1444.00 6874.50
1984 1186.00 945.00 745.50 646.00 495.00 203.00 55.50 71.00 311.67 c 757.90 b 927.00 1487.48 a 7831.05
1985 1374.50 1222.00 963.00 0.00 z 283.00 138.50 0.00 69.50 351.00 667.50 1364.50 1396.50 7830.00
1986 1156.50 1055.00 724.00 622.24 a 385.95 a 68.00 112.00 0.00 d 335.17 a 472.00 904.66 a 1209.00 7044.52
1987 1244.00 865.50 705.00 459.50 307.50 145.50 75.43 a 50.50 139.50 484.00 797.50 1202.50 6476.43
1988 1292.50 913.00 798.00 503.00 358.00 196.50 67.00 48.00 274.50 374.00 905.50 1179.00 6909.00
1989 1190.00 1190.50 911.00 480.00 386.00 96.21 a 50.00 101.00 161.00 577.50 787.24 a 1126.50 7056.95
1990 1023.00 944.42 d 760.00 484.00 427.28 a 0.00 z 22.50 36.50 49.00 691.00 830.50 1384.31 b 6652.51
1991 1277.50 731.00 880.50 591.00 417.00 295.00 26.50 37.50 87.00 596.50 920.00 1048.83 a 6908.33
1992 1103.00 766.50 650.50 517.00 233.00 78.00 42.50 80.60 a 281.50 547.67 a 948.00 1412.00 6660.27
1993 1412.00 1208.50 891.50 648.50 209.50 166.00 144.50 82.50 220.34 a 496.00 1065.00 1111.00 7655.34
1994 985.28 a 1010.50 737.00 512.50 312.00 166.50 14.50 42.50 106.50 544.50 1040.00 1084.00 6555.78
1995 0.00 z 799.00 817.00 0.00 z 293.98 a 188.50 27.50 126.50 133.00 0.00 z 842.50 1130.00 4357.98
1996 1263.00 1109.50 871.50 578.50 513.50 194.50 48.00 49.00 314.50 592.50 974.00 1310.50 7819.00
1997 1277.50 1082.50 892.80 a 683.50 290.50 207.50 54.00 23.00 167.00 596.00 822.00 1129.50 7225.80
1998 1156.00 789.00 789.00 551.50 267.00 120.00 5.50 27.00 116.00 0.00 z 0.00 z 1187.50 5008.50
1999 1049.00 873.50 805.00 651.50 481.00 213.50 83.50 30.00 206.50 594.50 774.00 1020.00 6782.00
2000 1221.50 976.50 801.50 532.00 383.50 166.00 48.00 98.00 277.50 591.00 1125.00 1297.00 7517.50
2001 1227.60 a 1092.00 847.85 a 650.50 359.71 b 248.00 52.50 47.00 139.50 616.50 768.50 1170.52 b 7220.17
2002 1112.00 954.50 935.50 629.50 434.00 119.00 31.00 42.00 205.50 705.50 838.50 1013.00 7020.00
2003 999.50 872.50 786.00 602.00 396.00 94.50 32.50 12.00 183.00 449.50 1040.00 1169.00 6636.50
2004 1227.00 986.50 677.50 462.50 341.50 131.00 21.50 43.00 228.00 518.50 879.00 1048.50 6564.50
2005 1217.00 854.00 714.50 548.50 280.00 159.00 11.50 35.00 231.50 506.00 988.50 1275.00 6820.50
2006 955.00 911.50 833.50 530.00 340.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3570.00
Period of Record Statistics
MEAN 1252.93 985.60 815.66 558.42 348.50 169.35 56.18 66.09 226.35 550.57 901.84 1166.25 7081.63
S.D. 181.75 149.46 90.12 81.51 79.19 65.84 34.47 38.67 80.60 88.08 109.15 132.91 444.67
SKEW 0.66 0.67 0.07 -0.17 -0.31 0.38 0.69 0.69 0.02 -0.11 0.64 0.48 -0.21
MAX 1761.50 1511.00 1029.50 712.00 513.50 355.50 153.50 192.50 424.50 772.86 1364.50 1487.48 8012.25
MIN 859.00 673.50 610.50 325.50 169.00 22.00 0.00 0.00 49.00 287.50 657.50 881.50 5892.20
NO YRS 102 104 101 103 104 105 101 100 100 102 104 103 73