WELLPINIT, WASHINGTON

Monthly Total Heating Degree Days

(459058)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200712
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
1923 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 0.00 z 0.00 z 0.00
1924 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 0.00 z 0.00 z 0.00
1925 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 0.00 z 0.00 z 0.00
1926 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 0.00 z 0.00 z 0.00
1927 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 0.00 z 0.00 z 0.00
1928 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 0.00 z 0.00 z 0.00
1929 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 0.00 z 0.00 z 0.00
1930 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 0.00 z 0.00 z 0.00
1931 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 0.00 z 0.00 z 0.00
1932 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 0.00 z 0.00 z 0.00
1933 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 0.00 z 0.00 z 0.00
1934 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 0.00 z 0.00 z 0.00
1935 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 0.00 z 0.00 z 0.00
1936 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 0.00 z 0.00 z 0.00
1937 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 0.00 z 0.00 z 0.00
1938 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 0.00 z 0.00 z 0.00
1939 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 0.00 z 0.00 z 0.00
1940 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 0.00 z 0.00 z 0.00
1941 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 0.00 z 0.00 z 0.00
1942 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 0.00 z 0.00 z 0.00
1943 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 0.00 z 0.00 z 0.00
1944 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 0.00 z 0.00 z 0.00
1945 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 0.00 z 0.00 z 0.00
1946 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 0.00 z 0.00 z 0.00
1947 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 0.00 z 0.00 z 0.00
1948 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 0.00 z 0.00 z 0.00
1949 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 0.00 z 0.00 z 0.00
1950 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 0.00 z 0.00 z 0.00
1951 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 0.00 z 0.00 z 0.00
1952 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 0.00 z 0.00 z 0.00
1953 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 0.00 z 0.00 z 0.00
1954 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 0.00 z 0.00 z 0.00
1955 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 0.00 z 0.00 z 0.00
1956 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 0.00 z 0.00 z 0.00
1957 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 0.00 z 0.00 z 0.00
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 w 13.00 269.50 502.31 d 697.50 f 728.50 j 784.81
1959 877.50 i 991.76 c 844.48 b 546.43 b 469.43 c 156.92 d 33.21 c 105.63 d 234.50 g 325.00 p 713.50 i 537.00 o 3147.87
1960 946.00 i 670.50 j 709.50 f 587.14 b 448.00 126.00 6.00 119.00 175.50 588.50 926.00 1221.50 4197.64
1961 1164.50 849.50 850.00 608.57 b 336.50 55.50 10.00 2.50 294.50 677.00 1037.00 1210.00 7095.57
1962 1317.50 945.50 962.50 487.50 481.50 193.00 107.93 d 81.50 201.50 590.50 852.50 1045.50 7266.93
1963 1562.00 844.31 b 805.50 674.00 290.50 j 132.00 9.30 a 0.00 z 17.00 x 510.00 895.50 1200.98 b 6633.59
1964 1135.24 b 1039.00 726.50 h 668.50 441.00 173.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 802.50 j 3457.24
1965 1130.50 1018.35 e 987.98 d 580.20 e 0.00 z 67.50 q 59.50 78.02 a 328.33 c 437.74 b 835.96 d 1050.42 e 6507.00
1966 0.00 z 0.00 z 495.00 l 610.50 272.80 a 180.00 c 34.10 a 32.00 46.50 468.74 b 756.00 779.50 f 2400.64
1967 641.00 l 388.00 n 435.00 o 671.50 377.50 93.50 15.50 b 0.50 44.50 536.82 a 828.75 b 251.00 x 2568.57
1968 847.00 i 0.00 z 0.00 z 0.00 z 270.00 k 0.00 z 26.50 l 77.50 i 138.50 f 484.00 h 462.00 o 1033.50 g 0.00
1969 1580.00 1122.50 944.43 b 600.50 276.00 99.50 69.00 102.50 319.00 760.50 964.50 1200.39 d 8038.82
1970 1274.50 911.00 876.50 542.50 h 429.98 d 121.00 22.00 11.00 341.00 659.50 932.14 b 1207.50 6786.12
1971 1138.65 e 940.50 998.00 613.50 267.00 243.00 71.00 11.50 357.00 651.50 919.00 1265.00 7475.65
1972 1337.00 1033.00 784.00 721.50 356.00 168.50 67.50 10.00 399.50 632.00 890.00 1334.00 7733.00
1973 1233.00 883.00 790.00 576.00 357.50 209.50 0.00 z 43.50 254.00 594.00 993.50 1043.00 6977.00
1974 1272.00 888.00 868.52 a 571.00 490.00 105.00 55.00 37.00 123.00 467.50 847.00 1056.00 6780.02
1975 1228.50 1043.50 957.00 690.00 387.00 183.50 13.43 a 78.50 132.00 612.00 963.00 1079.50 7367.93
1976 1145.00 999.50 963.00 608.50 345.00 233.00 40.00 104.50 111.50 581.00 885.50 1101.50 7118.00
1977 1302.00 830.50 818.50 447.00 425.50 82.00 59.50 61.50 375.00 699.50 966.00 1203.12 b 7270.12
1978 1127.00 919.50 880.50 612.50 435.50 103.50 15.00 165.50 351.00 594.50 1064.50 1368.50 7637.50
1979 1607.35 a 1044.50 844.50 663.00 378.00 151.50 53.50 15.00 129.00 515.00 1065.00 1030.00 7496.35
1980 1420.50 1001.50 938.94 e 481.50 294.50 e 184.00 28.00 g 89.79 b 222.00 536.50 909.00 1053.00 7131.24
1981 995.50 905.00 713.50 608.00 411.00 224.00 j 35.50 3.00 201.50 581.50 814.00 1134.50 6403.00
1982 1210.03 a 962.50 769.00 582.93 a 335.50 111.50 92.00 53.50 181.00 581.00 991.00 1195.00 7064.96
1983 1067.00 987.00 724.50 590.00 316.00 184.00 130.00 12.50 236.00 571.50 869.00 1387.50 7075.00
1984 1175.00 855.00 621.50 530.00 341.00 127.00 12.00 11.50 186.50 547.00 893.50 1369.00 6669.00
1985 1211.00 1040.50 789.50 451.00 176.50 125.00 0.00 8.02 b 213.00 480.50 1127.00 1309.50 6931.52
1986 1089.00 925.00 587.00 537.00 292.50 18.00 17.50 0.00 246.00 354.00 770.00 1048.00 5884.00
1987 1038.50 718.50 634.50 334.66 a 180.00 65.00 32.50 32.00 64.00 383.00 701.50 1219.50 5403.66
1988 1167.50 875.00 678.00 359.00 251.50 195.50 30.00 4.00 146.67 c 342.00 874.00 1245.00 6168.17
1989 1223.00 1244.50 920.00 467.50 352.00 90.00 33.00 34.00 276.00 0.00 z 0.00 z 1302.00 b 5942.00
1990 1229.00 1193.00 977.00 716.50 0.00 z 279.50 14.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4409.00
1991 0.00 z 0.00 z 0.00 z 0.00 z 517.00 401.00 33.50 0.00 z 0.00 z 0.00 z 942.50 1030.50 2924.50
1992 0.00 z 813.50 644.00 509.00 0.00 z 58.00 68.50 69.00 247.00 625.50 1055.50 1258.50 5348.50
1993 1282.00 1020.50 809.00 566.50 0.00 z 140.50 124.00 61.00 170.50 402.00 0.00 z 0.00 z 4576.00
1994 0.00 z 961.00 686.00 418.00 253.00 190.50 12.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2520.50
1995 0.00 z 0.00 z 810.00 514.00 219.50 0.00 z 30.50 147.00 154.50 716.00 264.50 w 657.50 m 2591.50
1996 1274.50 1097.00 900.50 499.00 473.50 157.50 43.50 49.50 289.50 583.50 935.50 1204.50 7508.00
1997 1126.00 937.50 821.00 615.50 265.50 177.00 35.00 15.50 151.50 579.50 875.00 1101.00 6700.00
1998 1094.50 787.50 712.50 516.00 260.00 0.00 z 4.50 28.50 97.00 587.50 0.00 z 1211.58 a 5299.58
1999 1083.00 905.50 802.50 568.50 403.52 a 144.11 b 95.58 a 37.20 a 240.00 601.50 750.00 b 1031.00 6662.41
2000 1144.50 898.46 b 787.50 416.00 382.50 123.50 46.50 38.50 282.00 e 560.77 c 594.00 l 0.00 z 4680.23
2001 1178.55 c 0.00 z 629.00 g 540.50 f 315.50 f 177.50 g 91.50 f 41.52 c 106.00 h 647.26 b 844.80 e 548.50 p 2712.13
2002 1135.00 974.00 975.50 620.50 466.00 168.00 54.00 67.50 240.50 454.50 j 916.00 0.00 z 5617.00
2003 1049.00 0.00 z 0.00 z 0.00 z 456.00 0.00 z 48.50 21.50 j 237.00 e 402.50 i 0.00 z 0.00 z 1790.50
2004 524.00 q 933.44 e 0.00 z 380.50 j 270.50 m 143.50 h 49.50 62.50 g 0.00 z 317.50 m 433.00 p 0.00 z 982.94
2005 0.00 z 622.00 j 545.50 j 324.00 m 223.00 n 139.00 l 9.00 r 77.50 e 143.50 p 268.50 p 715.00 i 602.00 r 77.50
2006 0.00 z 619.50 k 496.50 n 369.50 k 247.50 j 134.50 j 48.00 j 35.50 n 92.00 n 479.00 0.00 z 0.00 z 479.00
2007 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 153.00 m 564.50 0.00 z 1394.00 1958.50
Period of Record Statistics
MEAN 1215.22 956.31 823.71 560.97 358.45 151.32 43.50 48.84 219.33 559.04 908.53 1185.18 7016.50
S.D. 144.81 106.85 113.27 92.07 90.19 69.00 32.15 41.96 91.80 95.25 96.63 116.53 629.00
SKEW 1.23 0.44 -0.28 -0.48 -0.20 1.13 0.99 0.91 -0.03 -0.39 0.12 0.18 -0.89
MAX 1607.35 1244.50 998.00 721.50 517.00 401.00 130.00 165.50 399.50 760.50 1127.00 1394.00 8038.82
MIN 995.50 718.50 587.00 334.66 176.50 18.00 0.00 0.00 44.50 342.00 701.50 1030.00 5403.66
NO YRS 36 38 37 40 38 38 41 40 38 39 34 33 21