ANATONE 2 S, WASHINGTON

Monthly Total Heating Degree Days

(450184)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198111
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
1912 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.50 z 435.00 687.34 b 759.00 934.50 f 1881.34
1913 1308.64 c 1237.70 a 1085.00 a 699.50 519.50 273.00 189.50 151.90 a 372.50 753.00 875.00 1192.47 a 8657.71
1914 1070.00 1041.50 876.50 663.50 411.50 343.00 64.50 135.00 372.00 559.55 a 767.00 1321.50 7625.55
1915 1244.50 840.50 768.50 579.00 557.00 350.00 c 164.50 17.50 211.50 456.98 b 895.00 962.50 7047.48
1916 1334.00 0.00 z 821.50 576.50 458.50 165.00 e 127.50 85.00 202.50 533.50 891.00 1195.00 6390.00
1917 1179.00 858.00 1086.50 772.00 467.50 188.00 18.71 b 12.83 b 85.00 330.84 b 445.38 d 724.00 6167.76
1918 747.50 0.00 z 643.00 461.50 159.00 f 64.00 19.50 67.00 81.50 335.00 768.75 b 999.00 4186.75
1919 917.00 742.50 f 831.00 517.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 687.50 g 992.00 1397.00 4654.50
1920 1110.12 b 967.20 b 944.50 763.00 601.50 355.00 81.00 131.50 353.50 696.50 907.00 1129.84 c 8040.66
1921 1156.50 996.00 858.00 760.50 459.00 168.62 a 102.00 98.00 457.76 a 535.50 831.43 b 1216.75 a 7640.06
1922 1434.27 a 1180.15 a 1050.38 a 804.00 541.00 127.22 c 50.50 86.80 a 223.50 553.35 a 961.55 a 1259.00 8271.72
1923 1093.78 a 1115.00 972.00 663.00 469.50 343.00 67.17 a 89.50 281.00 648.00 738.00 1133.00 7612.95
1924 1254.50 854.00 968.50 691.00 333.00 234.00 82.67 a 145.18 a 313.50 620.00 b 928.00 1389.00 7813.35
1925 1106.50 831.50 825.00 568.93 b 393.91 b 241.50 5.00 u 145.50 320.69 a 614.12 b 0.00 z 0.00 z 5047.65
1926 0.00 z 829.50 810.65 a 512.59 a 487.50 226.00 55.80 a 156.50 505.96 d 615.23 e 770.77 d 1202.11 d 6172.61
1927 984.50 f 1039.11 a 0.00 z 27.00 z 259.50 t 0.00 z 0.00 z 173.00 f 0.00 z 566.50 794.50 1367.10 a 3767.21
1928 1203.66 b 1032.00 443.50 p 88.50 z 133.00 w 0.00 z 58.50 r 125.00 g 0.00 z 636.69 e 919.62 d 1264.44 e 5056.41
1929 1507.93 c 946.00 g 0.00 z 0.00 z 0.00 z 0.00 z 30.50 i 25.50 k 348.50 450.02 a 846.50 932.07 a 4085.01
1930 1555.50 860.00 853.02 a 499.14 a 510.00 295.50 54.50 50.00 257.50 679.00 934.00 1235.50 7783.65
1931 1118.00 932.50 894.50 655.50 358.50 236.00 57.50 52.50 312.00 565.00 1032.00 1189.00 7403.00
1932 1288.00 1125.00 960.00 630.50 480.50 a 202.50 116.50 114.50 221.00 539.50 761.00 1304.50 7743.50
1933 1183.68 a 1227.50 945.50 689.50 591.50 216.50 53.50 112.12 a 358.00 408.00 727.50 925.50 7438.80
1934 911.50 687.00 629.00 426.50 304.50 227.50 69.00 27.00 359.50 220.50 s 672.00 1081.79 b 5395.29
1935 1137.00 875.50 956.87 a 722.50 412.50 185.50 108.00 127.10 a 156.96 b 568.50 968.00 1083.45 a 7301.88
1936 1121.50 1351.00 961.50 531.50 287.27 a 210.50 67.00 51.00 274.50 428.00 790.00 1059.17 d 7132.93
1937 1701.26 b 1075.50 812.20 a 710.50 398.35 a 255.00 a 48.05 a 122.45 a 165.00 d 419.05 c 487.00 j 746.00 h 5707.36
1938 1098.78 d 949.00 909.33 a 655.00 456.70 c 183.00 51.00 114.18 a 149.48 a 0.00 z 542.50 n 1070.00 5636.47
1939 1062.50 1111.38 b 843.50 573.21 b 369.93 a 339.83 a 88.00 35.00 197.00 560.07 a 672.93 a 900.00 6753.36
1940 1115.00 902.48 d 765.50 647.22 c 320.73 e 164.50 41.00 51.15 a 239.50 497.11 c 1022.00 315.50 t 5766.19
1941 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 268.33 c 27.00 127.50 445.50 0.00 z 0.00 z 0.00 z 868.33
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 141.00 r 83.00 134.00 134.00 h 531.50 476.50 k 0.00 z 748.50
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 922.44 a 971.00 756.00 436.00 329.48 a 39.78 a 46.00 372.86 b 0.00 z 0.00 z 623.00 n 3873.57
1946 1136.00 966.00 857.09 d 609.83 a 419.02 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3987.94
1947 101.50 z 907.50 785.50 648.50 351.00 318.00 100.50 142.50 289.80 e 547.00 942.00 1060.20 a 6092.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 218.00 207.00 177.00 337.50 594.50 973.00 1357.50 3864.50
1949 1728.25 a 1124.00 925.50 576.50 382.00 276.50 149.50 148.00 278.00 751.00 666.00 1179.00 8184.25
1950 1705.00 1029.00 1019.50 788.00 595.00 351.50 120.00 104.00 326.00 592.50 906.00 746.50 f 7536.50
1951 0.00 z 1044.50 0.00 z 0.00 z 0.00 z 283.50 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1044.50
1952 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 88.00 t 87.66 b 113.50 193.27 d 364.25 e 1002.78 c 1065.22 b 2826.68
1953 693.00 g 707.50 h 882.50 499.00 f 574.00 407.00 94.60 b 121.70 d 143.50 f 488.50 770.89 b 1020.50 4359.70
1954 1139.50 783.00 791.00 f 666.11 c 459.50 401.50 109.03 b 167.00 f 80.50 s 493.00 i 723.50 1088.62 a 5370.76
1955 1184.00 1091.00 1150.62 a 836.54 d 593.43 c 241.03 a 189.00 64.00 m 331.61 b 576.00 1127.00 1207.00 8527.23
1956 1151.77 e 681.00 m 990.28 d 594.00 422.93 c 306.00 74.50 99.00 n 272.07 a 672.00 965.50 1051.42 a 6500.46
1957 1539.00 1008.00 870.00 650.17 a 403.50 267.00 129.17 a 176.38 b 176.54 d 652.03 a 952.00 806.00 g 6823.79
1958 1077.50 780.50 964.00 716.50 296.64 b 228.50 82.00 31.00 343.97 a 512.02 a 945.00 b 952.22 a 6929.84
1959 1103.00 1007.50 651.50 h 43.50 z 448.50 g 288.33 c 96.58 e 0.00 z 0.00 z 116.50 z 949.00 1104.00 4548.41
1960 1347.50 1078.50 856.00 643.50 524.00 204.00 29.00 193.50 285.56 c 620.50 919.50 1130.00 7831.56
1961 1058.00 834.00 930.00 705.50 515.50 145.00 42.00 30.00 439.00 662.50 993.00 1210.50 7565.00
1962 1306.13 a 1011.50 1005.50 595.50 590.00 301.50 156.00 137.00 236.00 575.00 844.50 1002.50 7761.13
1963 1371.50 740.00 871.00 702.00 419.50 268.50 146.00 102.50 150.50 486.50 835.50 1134.00 7227.50
1964 1162.00 988.00 954.50 746.50 494.00 270.50 90.00 167.92 a 354.00 478.50 903.00 1198.50 7807.42
1965 1111.00 919.85 a 984.50 631.00 0.00 z 0.00 z 44.50 q 124.50 450.00 389.00 755.17 a 1146.50 6511.52
1966 1121.50 964.50 927.00 674.50 417.47 a 327.50 112.50 92.50 195.50 610.50 865.86 a 1049.50 7358.83
1967 1059.50 871.00 976.50 814.50 517.00 234.00 58.00 31.50 138.00 0.00 z 805.00 1209.00 6714.00
1968 1187.00 886.50 755.50 751.00 516.50 266.00 84.00 177.50 297.00 623.00 906.50 1254.50 7705.00
1969 1349.00 1056.00 932.00 643.00 393.00 187.00 119.50 79.80 d 250.50 716.00 804.00 1036.50 7566.30
1970 1142.00 804.00 942.50 817.00 465.50 191.50 69.50 52.00 419.50 629.50 878.00 1193.50 7604.50
1971 1083.50 897.00 1025.00 713.50 412.50 374.48 a 123.50 33.00 435.50 711.50 904.50 1196.00 7909.98
1972 1315.50 1011.50 798.50 764.00 441.75 a 224.50 109.00 73.00 403.50 615.50 871.50 1329.00 7957.25
1973 1240.50 856.50 846.50 690.00 402.50 237.50 69.00 89.00 281.00 580.50 980.00 1000.00 7273.00
1974 1317.50 899.00 920.00 675.00 547.00 165.50 107.00 86.50 209.50 495.50 826.00 1046.00 7294.50
1975 1180.00 1047.50 993.00 855.00 540.50 310.50 63.50 116.00 264.00 638.00 927.50 998.00 7933.50
1976 1068.00 1003.50 1030.00 702.50 440.00 362.00 76.00 151.50 185.00 566.00 778.00 1022.50 7385.00
1977 1263.00 794.00 946.50 561.00 570.50 132.00 132.00 78.00 368.00 601.00 946.50 1084.50 7477.00
1978 1041.50 836.50 724.00 686.00 553.00 237.50 112.00 173.50 334.00 568.50 1077.00 1316.50 7660.00
1979 1523.00 1015.50 857.00 700.50 433.50 244.00 81.50 53.50 190.00 511.50 966.50 967.00 7543.50
1980 1320.00 918.50 934.50 541.50 508.00 350.00 111.00 209.00 247.00 546.00 844.50 995.21 b 7525.21
1981 934.65 a 925.50 812.50 652.00 515.50 345.50 137.00 63.00 280.00 655.00 763.00 0.00 z 6083.65
Period of Record Statistics
MEAN 1214.51 963.88 903.69 664.57 460.73 256.46 91.44 102.03 288.73 565.82 866.46 1127.48 7565.80
S.D. 195.14 130.89 103.10 94.52 82.64 74.48 42.26 49.72 98.37 98.03 116.53 138.64 440.98
SKEW 0.74 0.47 -0.31 -0.27 -0.14 -0.05 0.60 0.04 0.04 -0.44 -0.68 -0.14 -0.54
MAX 1728.25 1351.00 1150.62 855.00 601.50 407.00 207.00 209.00 505.96 753.00 1127.00 1397.00 8657.71
MIN 747.50 687.00 629.00 426.50 287.27 64.00 18.71 12.83 81.50 330.84 445.38 724.00 6167.76
NO YRS 57 57 57 57 55 58 59 57 59 58 60 56 37