GRANGEVILLE, IDAHO

Monthly Total Heating Degree Days

(103771)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1893 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 649.00 892.00 974.00 2515.00
1894 1153.00 1136.50 947.50 613.50 362.50 306.00 39.00 42.50 332.00 563.50 652.50 1160.50 7309.00
1895 1126.00 862.00 902.00 542.50 457.00 287.50 97.50 53.50 419.00 444.50 880.50 1106.00 7178.00
1896 973.50 854.50 920.00 747.50 622.00 215.50 6.50 48.50 293.00 489.00 1082.00 840.50 7092.50
1897 0.00 z 963.50 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 963.50
1898 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
1899 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
1900 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
1901 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 906.21 a 1258.50 2164.71
1902 1107.50 772.00 882.00 681.72 a 555.79 c 0.00 z 0.00 z 0.00 z 392.50 g 287.50 q 848.00 1006.50 5853.51
1903 1056.00 1050.50 875.00 692.50 448.50 96.00 153.50 67.50 332.00 480.50 798.50 1060.00 7110.50
1904 1036.50 951.00 922.50 521.00 377.00 227.00 84.00 54.00 158.00 437.50 619.00 1004.50 6392.00
1905 1054.00 984.00 701.50 537.50 476.00 256.00 55.00 52.00 202.00 728.50 836.50 1068.00 6951.00
1906 987.50 832.00 992.00 494.50 421.50 314.00 1.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4043.00
1907 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
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 0.00 z 0.00 z 0.00
1909 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
1910 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
1911 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
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
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 749.00 1328.41 d 2077.41
1928 1112.50 984.50 770.50 717.00 287.50 281.00 93.55 c 150.87 a 306.50 596.50 838.50 1137.00 7275.92
1929 1368.00 1253.00 966.00 859.14 a 556.50 275.77 d 38.50 6.41 b 364.50 521.50 905.50 889.00 8003.82
1930 1601.50 795.50 861.00 545.00 207.50 p 274.00 32.50 23.00 224.50 691.50 891.00 1182.00 7121.50
1931 1003.50 897.50 848.50 590.50 296.00 169.00 25.00 22.00 293.04 b 572.50 1023.00 1107.50 6848.04
1932 1216.50 1048.83 b 877.82 a 591.00 430.00 180.00 66.50 85.50 229.50 547.31 b 0.00 z 0.00 z 5272.96
1933 1100.00 1144.00 867.00 659.00 519.50 160.50 18.50 87.50 313.50 401.50 755.00 846.50 6872.50
1934 866.50 692.00 592.00 366.50 256.50 179.00 26.00 9.50 294.00 464.50 630.00 1004.50 5381.00
1935 1056.50 857.00 928.50 688.00 425.22 a 161.50 72.00 67.00 102.32 b 546.50 972.00 1074.50 6951.04
1936 1048.50 1306.50 880.50 478.00 244.50 179.00 10.69 b 30.50 249.50 466.50 896.50 940.00 6730.69
1937 1637.00 988.50 779.00 672.00 354.00 214.00 21.50 86.50 150.50 458.00 733.50 978.00 7072.50
1938 1040.50 878.00 850.50 590.50 415.00 134.00 38.50 70.00 80.00 521.00 956.50 985.50 6560.00
1939 953.00 1036.00 772.00 505.00 290.00 284.50 63.00 16.50 178.00 533.00 730.50 880.00 6241.50
1940 1117.50 818.00 719.00 576.00 308.00 129.50 27.00 10.50 190.00 472.00 996.00 978.50 6342.00
1941 977.50 793.50 696.00 551.50 396.50 250.50 5.50 79.00 403.00 624.50 768.50 1033.50 6579.50
1942 1266.00 1022.50 867.50 517.50 496.50 318.50 28.50 69.50 194.00 482.50 872.50 997.50 7133.00
1943 1263.00 825.50 905.50 533.00 525.50 331.50 72.50 66.00 127.00 464.00 812.00 1087.00 7012.50
1944 1101.50 987.50 985.50 612.50 361.50 238.00 63.50 60.50 191.00 347.00 876.00 1133.00 6957.50
1945 1065.50 846.00 889.50 696.00 388.50 294.50 24.50 33.50 314.50 425.50 848.50 1101.50 6928.00
1946 1045.50 932.00 788.50 586.00 393.50 287.50 69.50 68.50 324.50 732.00 922.00 1032.50 7182.00
1947 1246.50 861.00 741.00 617.00 308.50 308.00 52.50 99.00 263.00 524.00 929.50 1041.50 6991.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 115.50 277.24 a 574.50 950.50 1319.05 a 3236.79
1949 1706.50 1053.50 853.00 538.00 314.59 d 212.31 d 71.00 33.50 176.00 695.00 647.00 1073.50 7373.90
1950 1487.50 911.00 892.50 677.50 474.00 97.50 l 64.87 d 30.50 249.00 512.00 855.00 870.50 7024.37
1951 1178.00 943.00 1027.00 559.50 425.50 0.00 z 56.00 28.02 e 97.00 m 624.00 915.50 1251.00 7007.52
1952 1213.00 1034.00 994.50 525.00 424.38 b 245.36 b 73.88 a 62.00 158.50 394.00 1012.50 1044.18 a 7181.30
1953 793.50 884.50 853.05 c 680.50 541.50 321.50 22.00 64.21 c 123.50 466.50 728.00 972.00 6450.77
1954 1067.50 746.00 944.50 627.50 397.00 345.50 74.50 148.50 286.00 625.00 722.00 1096.00 7080.00
1955 1163.00 1069.00 1101.50 776.00 575.16 c 232.00 143.50 36.50 308.00 572.00 1089.50 1153.50 8219.66
1956 1138.50 1171.50 970.50 580.00 370.00 281.50 62.50 124.00 262.00 568.50 f 951.00 1005.00 6916.50
1957 1468.50 903.00 836.00 636.50 341.50 210.00 a 63.00 88.35 a 180.50 594.54 c 923.00 930.50 7175.39
1958 996.50 714.50 918.50 673.50 217.50 162.00 39.27 a 18.00 268.50 524.23 c 872.00 884.61 c 6289.11
1959 1036.00 965.50 877.00 630.50 551.50 190.18 b 75.95 a 91.45 a 363.00 608.50 940.50 1098.00 7428.08
1960 1300.00 1052.00 861.00 612.50 509.00 174.11 b 15.00 162.50 186.00 528.50 886.00 1142.72 b 7429.33
1961 994.00 774.50 839.00 655.50 445.50 103.50 7.00 11.00 393.50 613.00 981.50 1118.50 6936.50
1962 1223.50 942.15 a 923.50 529.00 520.80 a 239.50 117.50 125.55 a 236.50 547.50 800.00 954.59 b 7160.08
1963 1398.00 699.00 836.48 a 663.00 363.50 253.00 94.00 70.50 113.50 436.50 772.00 1082.50 6781.98
1964 1044.50 965.50 925.50 723.50 493.00 254.00 56.50 145.50 349.00 528.00 908.50 1164.00 7557.50
1965 1044.00 904.50 987.50 597.50 508.50 236.00 66.28 b 103.00 f 407.50 423.50 764.00 1049.98 d 6989.26
1966 1033.50 918.00 868.50 621.00 359.50 265.00 54.00 72.50 145.00 597.50 811.50 981.15 a 6727.15
1967 982.00 821.00 916.50 761.00 437.00 163.00 8.50 3.00 p 114.00 551.50 849.50 1117.50 6721.50
1968 1104.50 764.00 717.50 702.00 459.50 219.50 59.00 140.00 263.08 d 607.50 848.50 1162.50 7047.58
1969 1240.50 975.85 a 854.50 582.50 317.50 160.50 71.00 74.50 248.50 693.48 d 815.00 1030.50 7064.33
1970 1073.00 780.50 907.50 786.00 432.00 175.50 48.50 14.00 g 462.86 b 646.50 844.50 1128.50 7285.36
1971 999.50 896.50 932.00 677.00 369.00 295.50 91.97 a 32.11 c 415.50 711.50 877.24 a 1151.00 7448.81
1972 1198.50 927.50 734.50 745.00 369.00 182.00 83.00 52.91 b 380.00 576.50 843.00 e 1264.50 7356.41
1973 1193.00 880.50 841.50 655.00 366.00 214.00 35.43 c 65.00 273.50 467.00 h 891.60 e 938.78 a 6354.31
1974 1218.50 826.50 864.50 652.50 535.50 144.00 76.00 61.40 e 213.00 562.00 845.50 984.77 a 6984.17
1975 1076.50 958.00 916.50 801.50 509.00 277.00 35.50 111.50 223.00 592.50 864.50 984.50 7350.00
1976 1019.00 953.00 966.00 677.00 372.50 319.00 48.50 109.50 184.50 558.00 804.50 1048.00 7059.50
1977 1232.00 773.00 937.00 512.50 548.50 97.00 85.00 87.00 345.50 606.50 898.00 1027.00 7149.00
1978 1017.00 811.00 685.50 627.00 520.50 195.50 94.00 141.50 310.50 503.00 1002.00 1235.98 d 7143.48
1979 1503.00 895.00 783.50 668.79 a 400.00 192.00 49.50 27.00 154.00 0.00 z 978.50 892.50 6543.79
1980 1216.50 844.00 884.00 498.00 431.93 a 300.00 69.50 146.00 213.00 530.00 825.50 890.00 6848.43
1981 940.00 825.50 758.00 578.50 461.00 297.00 101.00 25.00 246.00 651.50 788.00 1032.50 6704.00
1982 1105.00 1007.50 827.70 a 711.50 481.00 162.00 104.50 56.50 298.50 617.00 967.50 1098.50 7437.20
1983 927.00 759.00 735.00 663.50 409.00 237.50 140.50 22.50 382.50 552.50 756.50 1335.00 6920.50
1984 1052.50 885.00 767.00 706.50 485.67 a 275.00 44.50 50.50 333.50 675.50 808.00 1211.50 7295.17
1985 1239.00 1005.00 898.50 496.00 363.50 175.50 0.00 128.50 412.50 619.00 1186.00 1307.50 7831.00
1986 946.00 818.74 a 647.50 659.50 413.33 a 99.50 117.00 15.50 397.50 531.50 853.50 1117.50 6617.07
1987 1141.50 814.50 768.50 423.00 298.50 152.50 119.50 106.50 174.50 472.50 800.50 1040.50 6312.50
1988 1150.50 809.50 787.50 486.00 418.00 203.00 65.50 53.50 258.50 342.00 830.00 1098.50 6502.50
1989 1062.50 1165.00 812.50 495.00 437.00 163.00 52.00 122.00 212.50 0.00 z 735.00 1008.50 6265.00
1990 971.00 909.00 757.50 477.50 455.00 203.50 39.50 66.00 0.00 z 563.50 760.50 1343.00 6546.00
1991 1186.50 672.50 836.50 625.00 476.50 305.50 32.00 10.00 154.50 549.00 870.50 992.00 6710.50
1992 975.00 710.00 613.00 494.50 247.00 124.00 81.00 88.00 248.50 492.00 938.50 1125.50 6137.00
1993 1234.32 a 1048.96 a 722.00 590.00 227.00 259.00 235.50 120.00 239.50 491.50 982.22 c 1014.50 7164.50
1994 878.00 918.00 722.50 523.50 312.00 220.86 a 42.00 30.00 142.50 560.58 a 975.50 1057.10 a 6382.55
1995 1048.00 0.00 z 821.00 636.00 371.00 246.00 57.50 119.50 188.00 670.00 726.00 1071.00 5954.00
1996 1103.50 1000.00 811.50 550.50 496.00 180.50 39.00 66.50 317.50 566.50 840.50 1031.50 7003.50
1997 1068.00 899.00 762.00 650.00 278.00 202.00 74.50 24.00 173.00 574.00 799.50 1084.00 6588.00
1998 983.00 784.00 777.00 581.50 383.50 215.50 6.50 26.00 157.50 613.00 775.50 1121.50 6424.50
1999 947.50 855.50 841.00 674.50 479.50 256.00 85.50 52.00 232.24 a 516.00 597.93 a 977.05 c 6514.73
2000 1013.00 795.95 a 740.50 439.00 363.50 56.50 m 40.50 34.50 237.00 547.00 1016.00 1126.33 a 6353.28
2001 1097.50 911.50 732.50 626.00 287.00 182.40 e 47.00 5.00 72.50 493.50 700.00 1056.50 6211.40
2002 1004.50 869.00 900.50 575.50 391.00 167.00 15.00 47.50 170.50 630.50 788.50 994.50 6554.00
2003 900.50 932.50 750.00 608.50 427.50 141.50 12.00 11.00 201.50 424.00 964.50 1047.50 6421.00
2004 1093.00 947.00 659.00 521.00 463.50 203.50 27.00 63.50 314.00 562.00 889.00 985.50 6728.00
2005 1028.00 859.50 773.00 602.00 385.00 278.50 31.50 46.00 288.50 514.00 921.00 1147.00 6874.00
2006 888.50 948.00 876.50 607.50 357.00 168.50 8.00 62.50 256.50 649.00 821.50 1088.00 6731.50
2007 1254.00 852.50 711.50 595.00 400.00 202.00 0.50 52.00 284.00 595.50 894.00 1108.00 6949.00
2008 1159.00 905.50 917.50 760.00 416.50 292.50 0.00 z 0.00 z 0.00 z 0.00 z 736.50 1193.00 6380.50
2009 1063.50 864.50 962.50 634.50 355.00 156.50 33.50 54.00 129.00 689.00 821.00 1285.50 7048.50
2010 909.00 797.00 764.00 614.00 516.50 241.50 63.50 72.00 165.50 471.50 929.00 1077.50 6621.00
2011 1039.50 985.50 807.50 741.50 503.50 250.50 49.50 11.00 85.50 511.00 868.00 1077.50 6930.50
2012 679.50 j 892.00 802.50 502.50 446.50 235.00 14.50 0.00 z 101.00 586.79 c 737.00 1022.50 5340.29
2013 1207.00 864.50 776.50 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 2848.00
Period of Record Statistics
MEAN 1114.74 907.98 838.91 611.78 414.05 221.70 56.43 64.86 246.45 550.80 855.50 1069.79 6918.28
S.D. 166.19 119.84 96.31 90.80 86.93 60.96 38.92 40.40 91.51 84.44 105.69 111.63 446.05
SKEW 1.30 0.71 -0.12 0.05 -0.10 -0.05 1.38 0.59 0.21 -0.06 0.10 0.40 -0.13
MAX 1706.50 1306.50 1101.50 859.14 622.00 345.50 235.50 162.50 462.86 732.00 1186.00 1343.00 8219.66
MIN 793.50 672.50 592.00 366.50 217.50 96.00 0.00 5.00 72.50 342.00 597.93 840.50 5381.00
NO YRS 92 93 93 92 91 88 90 86 88 87 94 94 74