COLFAX, WASHINGTON

Monthly Total Heating Degree Days

(451586)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199405
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
1892 0.00 z 775.50 0.00 z 0.00 z 332.70 c 206.50 95.00 39.00 202.50 b 454.00 0.00 z 0.00 z 2105.20
1893 1154.00 1078.50 826.00 621.00 374.00 267.50 103.50 89.00 274.50 626.50 862.00 881.00 7157.50
1894 1153.50 1023.00 807.50 528.50 315.50 184.00 33.50 38.50 301.00 551.50 630.00 1022.50 6589.00
1895 1117.00 771.00 792.00 455.50 349.00 206.00 78.00 89.00 379.00 493.50 800.50 1024.00 6554.50
1896 955.50 759.00 839.50 604.00 497.55 a 173.50 19.52 d 59.50 285.50 517.50 1024.00 805.50 6540.57
1897 1065.50 843.00 970.00 472.00 196.00 187.00 110.50 54.00 281.00 544.00 818.00 1042.50 6583.50
1898 1169.00 726.00 911.00 467.31 d 388.00 101.00 s 75.00 21.38 b 242.50 570.29 b 878.50 1200.00 6648.98
1899 1008.00 1052.50 704.50 518.00 391.50 203.00 68.50 0.00 z 22.00 z 0.00 z 298.50 p 910.00 4856.00
1900 866.50 884.00 554.50 431.00 257.00 80.50 42.50 101.50 216.00 494.50 818.00 820.50 5566.50
1901 990.00 0.00 z 701.00 535.00 236.50 255.50 50.00 6.50 294.00 305.00 662.00 947.50 4983.00
1902 777.50 m 802.00 788.00 563.00 361.00 255.50 138.50 101.50 282.00 433.00 828.46 d 991.00 5543.96
1903 976.00 976.50 750.50 602.50 378.50 79.50 125.50 74.00 280.00 419.50 746.00 926.00 6334.50
1904 387.50 t 876.00 845.00 468.50 404.00 228.00 71.00 59.00 219.00 401.00 0.00 z 0.00 z 3571.50
1905 897.21 e 0.00 z 624.00 491.50 372.50 216.00 46.00 92.43 d 0.00 z 0.00 z 704.44 c 950.84 b 4394.93
1906 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 264.50 1.50 62.00 205.50 440.50 813.00 0.00 z 1787.00
1907 1326.80 a 0.00 z 730.00 554.00 304.50 0.00 z 0.00 z 0.00 z 317.50 230.00 k 684.50 886.50 4803.80
1908 913.50 900.00 745.00 501.00 428.50 236.50 69.00 115.00 215.36 b 556.50 668.50 1037.00 6385.86
1909 1277.00 814.50 690.50 636.50 439.50 191.50 140.65 d 121.00 197.00 487.00 727.50 0.00 z 5722.65
1910 0.00 z 0.00 z 0.00 z 0.00 z 169.50 j 193.97 a 33.50 0.00 z 0.00 z 344.00 g 724.50 0.00 z 951.97
1911 991.00 1012.00 681.50 0.00 z 177.50 r 140.50 49.00 64.50 312.00 483.50 753.50 941.00 5428.50
1912 1031.00 794.50 800.00 482.50 288.00 114.50 71.50 179.50 317.50 634.00 705.00 929.00 6347.00
1913 1190.00 1163.00 895.50 511.00 319.50 135.50 94.50 66.00 242.00 605.50 657.32 b 1007.50 a 6887.32
1914 872.00 844.00 621.00 478.00 256.55 b 192.50 17.50 50.00 253.50 435.00 658.50 1157.00 5835.55
1915 1120.50 651.50 610.00 408.50 368.50 203.00 78.00 7.00 280.00 450.00 869.50 985.50 6032.00
1916 1545.00 986.52 a 779.50 565.00 489.50 270.50 140.50 85.00 283.00 677.50 988.00 1271.50 8081.52
1917 1214.50 973.78 a 1038.50 682.00 452.50 266.50 41.50 51.00 229.00 578.50 672.50 845.50 7045.78
1918 997.50 951.50 758.00 600.50 483.00 98.50 60.50 126.50 151.50 452.00 871.50 1033.50 6584.50
1919 1047.00 913.50 790.50 531.92 d 407.00 254.00 63.00 71.30 a 300.00 764.50 940.50 1295.50 7378.72
1920 1138.00 967.00 831.50 682.00 522.00 318.00 40.50 120.50 289.50 642.50 866.00 1008.00 7425.50
1921 1088.00 931.50 793.00 648.50 395.00 161.00 132.00 84.50 460.00 550.00 814.00 1101.00 7158.50
1922 1434.00 0.00 z 1004.50 714.11 b 431.50 51.00 35.50 97.00 206.50 541.50 958.50 1214.00 6688.11
1923 888.00 1092.50 761.50 487.00 289.50 172.00 28.00 44.50 201.00 488.50 694.50 902.00 6049.00
1924 1152.00 549.84 d 674.50 427.50 171.00 112.00 37.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3124.34
1925 0.00 z 0.00 z 0.00 z 17.00 z 260.00 165.00 11.00 79.00 217.50 610.50 815.50 908.50 3067.00
1926 1077.50 707.00 680.00 380.50 337.00 165.00 23.00 63.00 401.50 499.50 721.00 1063.50 6118.50
1927 1154.00 828.50 817.50 620.50 495.00 155.17 a 50.00 67.50 355.50 521.00 755.50 1331.00 7151.17
1928 1122.00 944.00 726.50 675.50 264.50 195.50 44.00 72.50 247.00 533.50 804.00 1167.00 6796.00
1929 1501.00 1335.50 774.50 674.50 366.50 203.00 50.50 39.00 302.00 436.50 878.50 905.50 7467.00
1930 1629.00 755.00 741.00 414.00 401.00 210.50 15.50 18.50 189.00 637.50 853.00 1171.50 7035.50
1931 981.00 857.00 776.00 527.50 265.00 146.50 21.50 30.50 254.50 550.50 1000.00 1118.00 6528.00
1932 1175.50 1083.00 816.00 511.00 387.00 125.00 84.00 84.00 228.00 544.50 708.62 a 1209.50 6956.12
1933 1005.00 1178.80 c 785.00 571.00 457.00 145.00 31.00 a 66.00 333.00 467.50 770.00 803.00 6612.30
1934 794.50 668.00 564.50 346.50 231.00 134.50 44.00 30.00 316.00 459.00 646.00 981.00 5215.00
1935 998.50 797.50 871.00 625.00 398.50 177.50 85.00 98.00 167.50 587.00 965.00 1025.00 6795.50
1936 1003.50 1353.00 816.00 404.50 180.00 106.00 4.00 28.50 240.00 444.00 915.00 940.50 6435.00
1937 1606.50 951.50 670.50 564.00 273.50 136.00 15.50 94.00 171.50 382.50 695.50 943.00 6504.00
1938 991.00 844.50 737.50 509.50 319.00 76.00 21.50 61.50 73.50 449.50 932.50 988.50 6004.50
1939 894.50 990.00 720.00 430.50 239.50 175.00 44.50 18.00 149.50 513.50 646.50 820.00 5641.50
1940 1037.47 a 788.00 647.00 431.00 196.85 a 68.50 14.00 53.00 118.00 369.50 988.00 957.00 5668.32
1941 992.00 725.50 610.18 a 439.50 382.50 265.50 7.23 a 59.50 320.00 558.00 738.00 752.50 g 5097.92
1942 1314.00 907.50 753.50 462.50 406.00 235.50 30.00 70.00 216.21 a 560.50 965.00 1092.50 7013.21
1943 1337.50 916.72 c 913.39 c 454.66 a 421.50 85.50 q 31.52 a 66.00 132.00 454.00 805.00 1041.08 a 6573.37
1944 1024.50 926.00 856.50 485.00 283.50 141.50 44.00 50.50 160.00 336.50 799.50 1093.50 6201.00
1945 921.00 787.00 638.00 f 598.50 288.09 b 196.61 b 18.00 37.50 328.50 462.00 828.50 1054.00 a 5519.69
1946 1006.00 831.50 718.50 476.25 b 290.76 b 218.28 a 45.98 a 37.72 a 267.41 a 632.40 a 851.38 a 935.17 a 6311.34
1947 1168.50 761.19 a 672.70 a 516.00 203.05 a 164.48 a 20.15 a 53.50 202.76 a 445.88 a 826.00 922.00 5956.21
1948 1030.00 969.69 e 826.67 d 581.00 353.63 d 38.00 86.05 b 64.00 225.00 495.45 c 799.66 a 883.50 i 5469.14
1949 1657.00 1035.50 576.00 g 374.00 216.00 114.50 45.50 37.00 134.00 574.00 567.50 999.50 5754.50
1950 1584.00 885.50 782.50 569.00 359.00 148.50 49.50 16.50 149.00 428.00 733.50 800.50 6505.50
1951 1019.50 824.50 847.00 475.00 311.50 170.00 35.59 d 67.50 154.50 506.50 814.50 1158.00 6384.09
1952 1221.00 879.50 780.00 395.50 264.00 148.50 29.00 60.97 a 118.00 361.00 890.00 950.50 6097.97
1953 715.50 754.50 709.50 531.00 361.00 215.50 28.00 42.62 c 160.00 425.50 655.56 c 881.50 5480.18
1954 1053.00 748.50 819.50 586.50 295.50 238.50 46.50 93.50 207.86 b 527.00 604.50 985.00 6205.86
1955 1050.50 914.50 953.00 676.07 b 420.50 120.50 90.00 47.50 222.00 468.00 991.00 1058.00 7011.57
1956 1005.00 1103.50 784.00 441.50 251.00 174.00 19.50 43.00 163.50 403.50 i 874.14 a 939.00 5798.14
1957 1499.37 a 919.85 a 760.00 557.59 a 229.00 139.00 57.50 90.50 161.00 523.50 834.50 858.50 6630.30
1958 944.50 628.50 785.00 575.00 174.50 84.50 28.50 18.00 242.59 a 453.00 787.50 878.00 5599.59
1959 1004.50 894.50 752.50 516.50 456.00 143.00 77.00 98.50 278.00 545.50 936.00 1009.00 6711.00
1960 1241.00 892.00 765.50 535.50 391.50 152.00 20.00 112.50 196.00 474.00 812.50 1077.50 6670.00
1961 975.50 698.50 716.00 558.50 350.00 69.50 20.00 4.50 314.00 579.50 931.00 1084.48 a 6301.48
1962 1140.00 829.00 857.50 448.00 455.50 193.50 91.50 102.00 195.00 498.58 a 723.00 897.50 6431.08
1963 1280.50 713.00 713.00 569.00 0.00 z 157.00 73.00 68.20 a 97.50 406.00 727.50 1060.50 5865.20
1964 950.50 877.50 842.00 623.50 403.00 181.00 54.50 122.00 289.50 499.00 839.00 1096.00 6777.50
1965 1006.00 775.00 875.50 467.50 394.50 163.00 48.50 72.16 b 345.00 388.00 654.50 961.00 6150.66
1966 1000.00 822.00 742.00 539.50 293.50 207.00 57.87 a 41.33 a 125.50 519.50 715.50 845.50 5909.20
1967 876.50 748.00 787.00 645.00 387.00 109.50 18.00 26.87 a 96.00 496.00 784.50 1051.50 6025.87
1968 1016.50 746.00 633.00 619.00 343.00 154.50 44.00 78.50 192.50 537.00 786.00 1114.00 6264.00
1969 1373.00 912.00 762.00 496.00 253.50 90.50 59.50 78.00 179.00 604.50 766.03 a 997.00 6571.03
1970 1059.00 703.00 807.00 678.00 335.50 129.50 38.50 47.50 373.00 598.00 804.50 1065.00 6638.50
1971 991.50 813.50 894.00 589.00 297.00 264.00 82.00 23.00 335.50 631.50 807.00 1098.50 6826.50
1972 1108.00 908.00 685.00 638.50 300.00 161.00 56.00 33.00 325.50 550.50 750.00 1170.50 6686.00
1973 1112.50 791.50 707.00 561.00 314.50 185.00 54.00 63.00 217.00 536.00 858.50 868.50 6268.50
1974 1213.00 764.00 759.50 550.50 429.50 118.50 59.50 54.50 189.50 512.50 772.50 935.50 6359.00
1975 1102.00 957.00 856.00 694.00 409.20 a 228.50 33.00 97.00 186.50 527.00 829.50 921.00 6840.70
1976 964.50 863.00 888.50 568.50 339.00 244.00 54.50 93.50 131.50 540.00 765.00 1008.50 6460.50
1977 1224.50 758.50 825.00 453.50 443.50 70.50 80.00 51.50 259.50 539.50 846.50 963.50 6516.00
1978 1019.50 760.00 662.50 546.00 399.50 123.00 46.50 100.50 240.00 538.00 992.50 1231.50 6659.50
1979 1550.50 910.50 699.50 545.00 302.00 159.00 61.43 d 19.50 148.00 455.50 922.00 846.00 6618.93
1980 1229.00 816.50 801.00 406.50 360.00 237.50 38.00 137.00 201.00 481.50 738.00 880.00 6326.00
1981 854.00 788.50 661.50 531.00 367.50 249.00 75.00 34.00 230.00 557.00 677.50 960.00 5985.00
1982 1101.00 874.00 726.00 627.50 364.00 123.50 76.50 38.50 204.50 540.50 893.50 1023.50 6593.00
1983 854.50 673.50 614.00 549.00 315.00 164.00 82.50 8.00 303.00 517.50 716.00 1287.00 6084.00
1984 990.00 821.00 688.00 575.00 425.00 215.00 47.50 50.00 282.50 623.50 787.50 1171.00 6676.00
1985 1306.50 1016.00 804.50 469.00 290.00 151.50 4.50 65.50 345.50 582.00 1178.50 1393.50 7607.00
1986 905.00 597.00 576.00 536.00 345.00 78.00 101.00 4.00 295.50 477.50 823.50 1051.00 5789.50
1987 1100.00 764.00 685.50 388.50 261.50 115.00 46.50 73.00 146.50 510.00 709.50 1094.50 5894.50
1988 1104.00 811.50 745.00 467.00 340.50 174.00 59.50 63.00 247.00 346.50 753.50 1050.00 6161.50
1989 1013.00 1144.00 776.00 470.00 372.00 89.50 58.50 94.00 181.00 539.50 706.50 1003.50 6447.50
1990 923.50 908.50 710.50 437.50 359.00 171.50 37.00 54.50 98.00 569.00 698.00 1259.00 6226.00
1991 1105.00 655.00 805.00 544.50 408.50 253.00 38.50 34.00 79.50 l 0.00 z 0.00 z 0.00 z 3843.50
1992 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 478.00 843.50 1099.50 2421.00
1993 1293.50 1036.50 773.00 540.00 223.00 172.50 146.00 111.50 252.50 474.50 1010.00 962.00 6995.00
1994 821.50 932.00 699.50 447.50 292.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3192.50
Period of Record Statistics
MEAN 1103.14 870.40 763.84 529.68 341.86 169.53 54.03 63.75 234.87 510.40 802.67 1017.76 6478.63
S.D. 195.48 144.98 92.16 83.30 80.00 58.28 32.37 33.14 75.61 78.60 109.66 127.74 512.35
SKEW 1.00 0.75 0.26 0.12 -0.09 0.03 0.91 0.49 0.22 0.08 0.52 0.61 0.27
MAX 1657.00 1353.00 1038.50 714.11 522.00 318.00 146.00 179.50 460.00 764.50 1178.50 1393.50 8081.52
MIN 715.50 549.84 554.50 346.50 171.00 38.00 1.50 4.00 73.50 305.00 567.50 800.50 5215.00
NO YRS 96 95 96 97 98 98 100 97 96 95 97 93 78