KOOSKIA, IDAHO

Monthly Total Heating Degree Days

(105011)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198708
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
1908 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 299.00 r 1058.02 d 1058.02
1909 1269.00 770.00 656.50 520.00 337.00 71.50 19.00 18.00 110.50 495.50 762.00 1133.00 6162.00
1910 1239.50 1034.50 585.00 352.50 184.50 103.00 0.00 0.00 z 0.00 z 0.00 z 620.50 870.50 4990.00
1911 996.50 944.00 663.00 491.50 385.50 87.00 8.50 16.50 17.00 o 509.50 896.50 1033.00 6031.50
1912 1081.00 807.50 769.00 433.50 239.00 76.50 45.50 49.50 268.50 539.00 750.00 957.50 6016.50
1913 1263.25 a 1113.50 863.00 451.50 283.28 b 68.00 28.50 4.50 f 173.50 596.75 c 755.40 e 1132.07 d 6728.75
1914 950.09 d 843.50 610.00 411.50 190.00 131.50 0.00 m 12.50 191.00 244.00 k 505.00 h 1247.48 b 4587.58
1915 1199.91 b 746.00 560.50 339.50 234.80 d 0.00 z 0.00 z 0.00 f 187.20 e 423.50 71.50 z 253.00 v 3691.41
1916 1537.08 a 982.89 a 382.00 l 426.50 397.50 90.00 g 2.00 p 59.86 b 157.78 c 223.00 r 0.00 z 1176.00 4737.62
1917 1181.50 866.50 914.00 521.00 298.93 c 16.00 x 0.00 z 4.00 u 113.00 471.50 458.50 h 795.27 e 5161.70
1918 0.00 z 0.00 z 0.00 z 265.00 l 334.44 e 31.50 f 4.50 g 43.00 g 78.00 f 384.29 b 822.50 580.50 l 1541.24
1919 1096.62 c 858.31 b 728.50 a 478.89 c 316.09 c 160.56 c 8.35 e 12.83 b 201.50 f 594.74 d 1014.64 b 1539.50 6809.02
1920 1189.00 629.00 g 733.50 519.50 330.00 107.07 a 0.50 50.50 144.50 479.90 e 795.00 e 944.50 5293.97
1921 983.00 825.48 a 615.00 443.28 a 191.00 32.50 24.69 d 16.02 a 296.50 329.50 735.54 b 1047.80 a 5540.29
1922 1260.15 a 961.33 a 846.41 c 531.21 a 273.83 a 11.90 a 0.00 1.00 71.50 371.50 583.00 j 1270.48 a 5599.31
1923 972.62 c 1143.15 b 757.36 b 0.00 z 283.13 a 144.31 a 6.20 a 1.55 a 76.00 434.00 a 700.34 a 971.33 a 5490.01
1924 1213.13 a 717.50 774.48 a 495.50 140.50 64.50 9.50 10.50 152.68 b 429.57 c 796.15 d 1301.00 6105.02
1925 941.50 681.00 681.50 363.00 166.76 b 108.00 0.55 c 23.00 106.50 283.50 o 253.00 s 866.45 a 3938.26
1926 1057.50 673.00 627.75 e 292.00 227.50 82.20 e 5.00 11.00 283.00 211.00 n 480.00 i 1026.50 4285.45
1927 1072.50 729.22 e 723.52 c 465.60 e 388.50 44.00 6.50 17.50 168.50 258.00 k 506.50 g 1230.00 4845.84
1928 1085.00 876.13 c 632.00 468.62 a 122.00 75.00 11.50 30.50 113.00 401.40 b 745.50 1010.60 a 5571.25
1929 1241.00 1055.19 a 644.59 b 535.18 b 286.00 108.62 a 5.50 18.00 261.43 b 408.68 a 869.44 c 827.04 c 6260.66
1930 1481.50 704.67 a 692.00 278.28 a 257.00 119.00 6.72 a 2.00 113.50 475.85 a 490.00 j 1136.84 b 5267.35
1931 979.08 a 787.00 667.03 b 409.50 154.47 b 51.50 12.50 8.50 139.50 413.50 675.00 g 1160.50 4783.08
1932 1077.50 977.50 740.00 429.50 230.00 82.50 23.00 29.97 a 133.97 a 466.00 705.00 e 1167.00 6061.93
1933 1010.00 1017.00 664.90 b 490.50 343.50 50.50 6.50 i 13.84 c 189.64 b 344.00 518.00 g 775.50 4899.38
1934 781.00 581.54 b 466.00 214.00 120.50 67.76 a 2.00 5.00 f 156.00 f 386.31 e 251.00 o 700.50 f 2619.10
1935 1036.00 775.00 736.77 a 527.00 247.50 76.50 19.78 b 30.48 a 71.00 487.39 d 868.00 1023.50 5898.92
1936 963.87 d 1242.00 709.50 357.50 126.00 52.00 0.00 13.00 135.00 357.00 928.50 932.50 5816.87
1937 1532.43 a 922.44 a 629.00 481.50 164.00 53.50 0.00 33.50 101.50 349.50 642.50 897.50 5807.38
1938 932.00 791.50 672.50 463.50 280.00 70.50 0.50 26.00 31.00 373.50 839.50 1019.00 5499.50
1939 887.00 607.50 g 654.00 412.00 178.00 157.78 c 8.00 7.00 121.50 413.00 768.00 850.50 4456.78
1940 1015.50 735.50 594.00 399.50 174.00 48.50 6.00 3.50 58.50 308.00 879.50 1004.00 5226.50
1941 1012.00 731.50 567.50 390.50 204.50 74.50 0.00 5.00 214.00 428.50 746.00 949.00 5323.00
1942 1234.50 833.00 676.50 420.00 311.00 199.00 2.00 24.50 93.50 377.50 766.00 886.00 5823.50
1943 1164.00 725.50 755.00 378.00 343.58 a 152.68 b 19.00 23.50 72.00 356.00 780.50 1017.50 5787.26
1944 1053.00 860.00 793.50 421.00 227.50 54.50 19.50 13.50 101.50 341.50 721.50 1046.50 5653.50
1945 920.50 670.50 686.00 523.00 224.00 117.00 1.00 18.50 210.00 315.00 730.50 1013.00 5429.00
1946 923.50 740.00 548.00 369.50 198.00 77.50 6.00 4.50 113.00 505.50 768.00 918.50 5172.00
1947 1135.50 725.00 550.50 423.00 132.50 97.50 8.50 6.00 105.50 313.50 751.50 880.50 5129.50
1948 993.00 804.50 759.00 474.00 261.00 19.00 19.12 a 23.00 136.00 436.00 767.00 1198.00 5889.62
1949 1599.50 889.50 658.50 350.00 146.50 71.00 11.00 6.50 80.00 570.40 a 677.50 1012.00 6072.40
1950 1368.00 859.50 714.00 508.00 327.00 98.00 4.50 1.50 134.00 368.50 739.50 801.50 5924.00
1951 1010.00 804.50 796.50 399.00 212.00 100.00 2.00 19.50 84.00 466.00 799.50 1056.00 5749.00
1952 1176.45 a 874.50 738.50 332.00 166.00 74.00 10.50 19.00 71.00 385.00 894.50 958.50 5699.95
1953 528.50 i 711.50 650.50 435.00 309.00 124.00 0.50 8.00 85.86 a 407.00 703.00 870.00 4304.36
1954 1018.50 669.00 752.00 442.00 200.00 150.00 6.50 34.50 122.50 509.50 677.50 1032.00 5614.00
1955 1025.00 881.50 900.50 578.50 311.00 92.00 44.00 3.50 178.00 406.50 956.00 1068.50 6445.00
1956 1050.00 983.50 716.00 368.50 201.50 103.50 8.50 35.00 134.00 480.00 829.00 971.00 5880.50
1957 1425.00 828.00 682.50 441.50 132.00 66.50 7.00 29.00 60.00 456.50 843.00 918.00 5889.00
1958 962.50 642.50 708.00 485.50 110.50 38.00 0.50 1.50 160.50 430.00 801.00 864.00 5204.50
1959 1002.50 792.00 686.00 435.50 350.00 61.50 22.00 20.50 202.00 492.50 926.00 1054.50 6045.00
1960 1233.50 905.00 709.00 443.00 318.50 56.50 0.00 71.50 117.00 531.50 772.20 e 1064.00 6221.70
1961 1060.00 727.50 697.00 537.50 231.50 8.33 c 0.00 0.50 219.50 481.00 892.50 1028.00 5883.33
1962 1107.50 779.00 712.00 348.50 283.00 79.50 31.00 18.00 89.00 454.00 687.00 914.50 a 5503.00
1963 1298.50 740.00 649.50 491.50 192.50 96.00 3.50 7.00 40.34 a 339.00 724.50 1044.50 5626.84
1964 1001.50 866.00 769.00 548.65 d 320.00 105.00 2.50 50.00 223.50 496.50 834.50 1099.00 6316.15
1965 1028.50 770.56 c 849.50 433.50 326.00 89.50 4.13 a 27.50 280.00 406.00 703.00 966.50 5884.69
1966 943.50 795.50 675.00 439.00 174.00 103.50 12.50 10.50 34.00 482.00 724.50 897.00 5291.00
1967 864.50 734.50 724.00 526.50 225.50 29.50 0.00 0.00 36.00 447.00 764.00 1071.00 5422.50
1968 1042.50 669.00 596.00 505.00 246.00 51.00 2.50 32.00 168.50 533.00 816.50 1109.50 5771.50
1969 1239.00 884.50 731.50 386.38 a 132.50 55.00 13.50 20.00 121.50 603.50 817.50 1001.00 6005.88
1970 1051.50 710.00 731.00 617.00 230.00 60.00 2.00 1.00 277.50 528.00 791.00 1060.50 6059.50
1971 960.50 773.00 769.00 475.50 177.00 105.50 19.00 1.50 261.50 572.00 838.50 1046.50 5999.50
1972 1068.00 822.50 572.00 561.21 a 182.50 48.00 13.50 3.50 215.50 472.00 790.50 1227.00 5976.21
1973 1135.50 804.00 668.50 481.00 210.50 94.50 3.00 7.00 145.50 511.00 823.50 911.50 5795.50
1974 1152.00 699.50 646.50 418.50 305.00 50.00 7.00 8.00 106.50 480.00 754.00 988.50 5615.50
1975 1057.50 893.50 734.50 597.50 302.50 136.00 6.00 43.50 171.00 543.00 920.00 1041.50 6446.50
1976 1068.00 904.00 847.50 516.00 255.50 193.00 10.50 71.00 64.00 507.00 762.50 1138.50 6337.50
1977 1226.00 757.50 780.00 364.50 314.00 22.50 26.00 30.00 166.50 501.00 901.00 943.00 6032.00
1978 978.50 696.50 537.00 455.00 308.50 70.50 17.00 22.00 184.00 494.50 951.00 1216.00 5930.50
1979 1488.50 872.50 642.50 463.50 227.00 95.00 21.00 0.00 40.50 379.50 904.50 905.50 6040.00
1980 1143.50 788.00 727.50 337.00 197.00 95.69 a 2.50 47.61 c 81.96 b 442.50 760.50 861.50 5485.26
1981 917.00 751.00 589.50 402.00 248.00 103.00 16.50 0.50 139.00 548.00 759.00 973.00 5446.50
1982 1124.50 951.00 692.00 583.50 339.00 95.00 20.00 1.50 158.00 500.00 940.00 1080.00 6484.50
1983 958.50 722.81 a 431.00 h 492.50 280.00 87.50 14.50 0.00 212.00 146.00 u 710.00 1269.00 4746.81
1984 1074.00 804.50 676.50 394.50 203.50 65.50 1.00 2.00 181.50 541.50 764.50 1189.37 a 5898.37
1985 1104.00 898.00 750.50 376.00 194.00 40.50 0.00 9.50 237.93 a 515.50 1066.50 1327.00 6519.43
1986 1027.00 750.50 513.00 428.50 235.50 1.00 4.65 a 0.00 178.50 416.00 721.50 565.00 o 4276.15
1987 1097.00 728.00 633.50 243.50 0.00 z 8.50 4.00 9.50 0.00 z 0.00 z 0.00 z 0.00 z 2724.00
Period of Record Statistics
MEAN 1104.54 820.88 691.76 442.13 242.46 81.63 9.70 17.93 143.54 450.90 797.98 1030.58 5830.74
S.D. 163.88 121.36 87.19 79.33 72.09 40.43 10.00 16.98 66.80 74.10 88.91 140.44 347.44
SKEW 1.06 0.99 0.08 -0.32 0.12 0.53 1.47 1.28 0.42 -0.02 0.68 0.77 -0.08
MAX 1599.50 1242.00 914.00 617.00 397.50 199.00 45.50 71.50 296.50 603.50 1066.50 1539.50 6519.43
MIN 781.00 581.54 466.00 214.00 110.50 1.00 0.00 0.00 31.00 308.00 620.50 775.50 5129.50
NO YRS 77 76 76 77 78 75 73 73 73 71 66 75 55