RIGGINS, IDAHO

Monthly Total Heating Degree Days

(107706)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201203
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
1896 0.00 z 0.00 z 684.50 501.00 373.50 86.50 0.50 4.00 169.00 378.00 855.00 759.50 3811.50
1897 1002.50 751.00 845.00 348.50 81.50 85.50 48.00 9.00 147.50 432.00 680.00 898.50 5329.00
1898 1039.50 612.50 797.00 344.50 270.00 87.50 6.00 9.00 156.50 548.00 804.00 1089.50 5764.00
1899 844.50 967.50 722.00 513.62 a 397.50 158.00 9.00 103.00 97.00 524.50 590.00 900.00 5826.62
1900 845.50 800.59 a 510.50 406.50 217.00 24.50 24.00 57.50 184.00 471.50 757.00 820.00 5118.59
1901 929.00 799.50 687.00 538.50 177.50 236.00 4.00 2.50 278.00 294.50 657.50 937.00 5541.00
1902 1036.50 668.50 760.50 501.50 307.00 176.00 87.50 39.00 136.50 344.50 657.00 883.00 5597.50
1903 879.50 892.00 693.50 484.50 269.50 19.00 54.00 13.50 194.00 423.50 671.50 946.50 5541.00
1904 939.50 255.50 t 361.50 o 391.00 201.00 116.50 10.50 4.50 80.00 322.50 520.00 904.00 3489.50
1905 882.50 814.50 543.00 369.00 323.50 0.00 z 0.00 z 0.00 z 94.00 514.00 748.00 899.00 5187.50
1906 892.50 702.50 792.57 a 347.00 199.50 100.00 0.00 6.50 90.00 367.50 221.00 u 570.00 i 3498.07
1907 1050.50 640.77 b 647.90 a 446.50 234.50 180.54 b 3.00 47.00 147.00 295.00 0.00 z 875.00 4567.71
1908 887.12 a 734.50 633.50 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 2255.12
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 828.07 a 585.50 434.46 b 184.28 d 177.93 a 7.00 g 0.00 x 91.50 o 397.50 658.45 a 1162.50 4428.70
1915 747.00 i 662.00 576.50 343.00 348.50 181.50 0.00 z 0.00 q 151.00 j 343.50 785.00 1003.88 a 4243.88
1916 0.00 z 0.00 z 513.00 f 444.00 g 554.68 c 192.00 h 33.00 s 0.00 z 245.50 h 0.00 z 233.50 t 1033.33 a 1588.01
1917 1093.78 a 503.50 m 957.68 c 598.00 360.50 204.00 0.00 z 0.00 z 37.00 u 311.00 h 590.89 b 636.02 a 4440.87
1918 953.25 a 889.00 0.00 z 140.00 s 192.00 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1842.25
1919 878.00 594.50 f 0.00 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 878.00
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 0.00 z 0.00 z 0.00
1928 0.00 z 0.00 z 0.00 z 101.00 u 0.00 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 21.50 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 77.50 u 556.20 e 791.00 1347.20
1938 587.00 j 659.08 b 636.03 b 334.29 b 140.00 j 37.50 5.00 3.50 20.00 7.00 z 412.00 o 199.00 x 1695.40
1939 0.00 z 0.00 z 526.00 143.00 s 83.50 88.50 0.00 0.00 55.00 327.00 618.00 681.50 2379.50
1940 913.50 658.50 511.50 298.50 81.00 24.60 e 0.00 0.00 43.50 269.00 771.50 819.50 4391.10
1941 842.74 d 570.50 450.00 283.50 132.00 41.50 0.00 11.00 178.50 377.50 607.50 854.00 4348.74
1942 1098.50 797.00 605.61 c 240.50 243.00 102.50 0.00 f 12.00 0.00 z 303.11 d 635.50 833.00 4870.72
1943 1075.00 653.50 652.00 253.50 277.00 132.93 a 6.00 12.50 15.00 325.00 636.00 927.50 4965.93
1944 959.50 762.50 715.50 375.00 147.77 a 46.50 4.00 0.50 56.50 111.00 667.50 963.00 4809.27
1945 881.43 a 658.00 b 671.00 474.83 a 211.00 111.50 0.00 6.50 138.50 215.89 c 655.50 919.50 4943.65
1946 873.50 711.00 517.38 b 313.50 134.50 55.00 i 1.03 a 0.00 77.50 g 497.72 d 723.60 e 825.50 4597.74
1947 1079.00 672.50 490.50 360.00 98.68 a 91.50 0.00 1.50 75.52 a 289.16 b 747.00 792.00 4697.36
1948 928.00 764.20 b 716.50 412.50 238.00 24.00 16.00 3.50 67.00 279.00 f 763.39 b 1122.50 5055.60
1949 1493.50 829.50 522.50 171.50 161.00 49.50 0.00 1.50 28.50 335.50 g 558.50 943.36 b 4759.36
1950 1206.50 743.50 691.00 433.33 c 259.50 76.50 6.00 0.50 55.00 g 291.50 598.93 b 733.00 5040.26
1951 957.00 734.74 a 748.00 309.50 193.00 84.50 0.00 10.00 25.00 399.38 a 711.00 998.50 5170.62
1952 1027.50 821.50 763.93 c 275.00 148.50 h 65.00 3.50 0.00 27.93 a 151.00 520.50 k 825.24 b 3960.60
1953 612.52 b 627.31 b 565.75 a 388.50 281.14 b 101.11 c 0.00 1.50 19.50 171.50 j 271.50 n 101.50 z 2597.32
1954 800.83 a 551.00 676.83 a 349.14 a 135.22 b 118.20 e 0.50 19.00 72.93 a 246.50 h 0.00 z 0.00 z 2723.66
1955 997.17 d 857.04 e 764.27 e 556.20 e 270.70 c 72.00 37.50 0.00 118.97 a 254.89 d 728.00 f 921.39 d 4850.12
1956 886.27 c 928.50 628.55 b 0.00 z 202.00 74.46 b 4.50 1.00 g 63.50 f 402.47 b 743.00 899.50 4769.25
1957 1185.50 759.00 646.50 486.96 b 145.00 39.00 0.00 3.50 31.15 d 327.57 a 767.59 a 838.03 a 5229.80
1958 877.09 b 557.41 a 389.50 k 465.50 54.50 0.00 z 3.50 0.00 95.19 d 224.75 a 662.22 c 727.00 3667.16
1959 885.80 d 566.50 f 582.80 a 0.00 z 331.00 33.50 7.00 0.00 145.50 346.34 b 419.00 m 903.00 3234.94
1960 0.00 z 934.04 e 72.50 x 381.60 e 252.65 a 11.50 0.00 38.23 a 39.50 273.50 604.00 860.77 a 3395.79
1961 762.00 550.00 533.50 387.50 174.50 2.00 0.00 0.00 121.03 a 375.50 687.50 856.50 4450.03
1962 1037.43 b 429.50 l 448.00 k 165.00 i 244.50 56.00 2.00 7.50 24.00 315.50 545.00 771.50 3003.43
1963 1160.00 516.00 521.46 c 297.50 g 142.50 61.55 a 0.00 0.00 18.50 182.50 533.50 906.50 4042.52
1964 963.00 777.50 676.00 439.50 231.50 47.00 0.50 19.50 59.00 241.00 632.50 874.00 4961.00
1965 862.50 672.50 706.50 325.50 224.00 37.00 2.00 10.00 157.00 181.00 512.50 839.00 4529.50
1966 834.00 719.50 585.00 301.50 112.50 81.50 3.50 7.50 18.50 229.50 f 586.50 802.00 4052.00
1967 788.50 652.00 656.17 a 509.00 191.00 49.50 0.00 0.00 6.00 319.00 648.50 989.33 b 4808.99
1968 937.00 599.50 498.50 436.50 151.90 a 19.66 a 3.00 43.50 98.33 c 351.00 631.50 923.80 a 4694.19
1969 1014.14 c 709.50 589.00 a 311.00 117.05 b 45.00 1.50 0.00 40.50 486.00 659.50 822.00 4795.19
1970 810.50 566.00 652.50 498.00 176.00 62.00 0.00 0.00 190.00 438.00 609.00 917.50 4919.50
1971 863.50 691.00 651.00 387.00 175.00 115.00 9.50 1.50 146.00 392.50 714.00 955.00 5101.00
1972 945.50 696.00 458.00 492.50 138.50 26.00 3.00 1.50 143.50 337.00 698.00 1084.00 5023.50
1973 969.00 632.50 562.00 391.00 144.50 73.00 1.00 0.00 79.00 342.50 702.00 751.50 4648.00
1974 1025.00 634.50 595.00 362.00 247.50 32.50 2.50 0.00 33.00 319.50 611.50 879.00 4742.00
1975 1008.50 813.00 770.50 610.50 306.90 a 102.00 0.00 4.50 n 43.00 g 487.00 782.00 906.00 5786.40
1976 935.17 a 840.50 818.40 a 447.41 a 105.50 117.50 0.00 13.00 26.50 325.50 615.00 934.00 5178.48
1977 1070.50 600.50 674.50 244.50 244.50 2.50 5.50 30.50 124.50 371.50 735.50 896.50 5001.00
1978 874.50 670.00 440.00 398.50 265.00 45.50 10.00 23.00 149.00 320.50 852.50 1165.50 5214.00
1979 1333.50 777.50 565.50 414.50 177.00 58.50 6.50 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3326.50
1980 0.00 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 514.50 h 747.58 e 747.58
1981 766.73 a 633.63 a 510.00 355.00 218.50 81.00 5.68 a 0.00 a 94.00 360.24 b 572.68 b 781.09 c 4378.56
1982 953.50 835.33 a 593.77 e 443.33 c 235.82 c 39.64 b 0.00 z 0.00 67.20 e 398.00 308.00 m 588.00 l 3566.60
1983 775.50 572.00 495.00 384.50 50.50 o 0.00 z 0.00 l 0.00 117.22 c 103.00 q 565.50 1137.00 4046.72
1984 987.50 681.50 b 570.29 b 443.00 237.00 111.11 c 0.00 g 0.00 z 175.50 h 0.00 z 0.00 z 1025.67 b 4056.08
1985 1005.50 813.50 636.00 220.00 108.50 13.50 0.00 2.50 173.50 372.00 914.00 1088.00 5347.00
1986 816.50 639.50 418.00 380.00 211.50 6.50 6.50 0.00 200.00 314.50 649.00 895.50 4537.50
1987 973.00 642.00 537.50 191.50 92.00 34.50 10.00 10.50 48.50 291.00 637.50 905.50 4373.50
1988 991.50 694.50 587.50 285.00 190.81 b 47.00 1.00 0.00 109.50 146.50 664.00 942.00 4659.31
1989 928.50 932.50 591.50 268.00 203.00 24.50 0.00 26.00 0.00 z 371.43 d 672.50 880.50 4898.43
1990 721.50 622.00 493.50 179.00 212.35 a 70.50 5.00 0.00 3.00 j 343.50 548.50 1083.00 4278.85
1991 989.50 507.50 533.00 370.00 0.00 z 66.50 0.00 0.00 15.00 314.00 715.00 854.50 4365.00
1992 814.00 536.00 390.50 284.00 86.00 38.50 55.50 41.00 111.00 253.00 717.00 962.00 4288.50
1993 1075.00 795.50 515.50 431.50 137.50 108.50 57.50 37.50 121.00 306.50 830.50 857.00 5273.50
1994 803.50 829.50 567.00 334.50 183.50 103.50 10.00 0.00 37.50 i 393.00 811.50 940.00 4976.00
1995 895.00 638.00 646.50 441.00 235.00 119.50 11.00 33.50 52.00 463.00 652.50 917.00 5104.00
1996 914.50 785.59 a 611.50 384.50 308.00 69.50 2.00 5.50 178.50 380.00 667.50 882.00 5189.09
1997 960.50 760.50 589.00 467.00 167.00 49.50 28.50 0.00 61.50 410.00 653.50 966.00 5113.00
1998 869.50 626.00 605.02 a 421.00 245.50 81.50 0.00 0.00 50.50 447.00 633.50 986.00 4965.52
1999 845.00 779.00 629.00 530.00 341.00 147.00 34.62 a 19.00 131.38 a 346.00 507.00 877.00 5186.00
2000 919.00 653.02 a 544.22 d 215.89 b 158.88 c 62.78 c 12.50 0.00 100.34 a 265.00 j 801.50 921.22 a 4389.35
2001 908.50 726.50 496.50 428.79 a 147.77 a 81.00 5.50 0.00 15.00 312.50 534.50 898.48 a 4555.04
2002 874.50 694.00 675.50 372.00 215.50 71.50 0.00 2.00 46.00 406.50 616.00 779.00 4752.50
2003 725.50 701.50 531.13 a 376.00 241.50 19.00 0.00 0.00 56.00 221.65 a 768.10 a 817.00 4457.39
2004 936.00 703.52 b 415.83 b 273.89 c 168.00 f 47.50 0.00 8.86 c 97.24 a 340.40 e 702.00 836.00 4361.24
2005 828.50 688.07 a 543.00 416.50 189.50 108.21 b 0.00 c 1.50 98.00 319.50 741.00 1022.50 4956.29
2006 757.50 781.50 639.50 396.00 157.00 20.50 0.00 8.50 114.50 400.00 639.50 902.00 4816.50
2007 1027.00 675.00 505.50 375.50 166.50 37.00 0.00 11.00 99.50 405.50 691.00 897.50 4891.00
2008 1015.50 716.50 682.50 501.00 223.50 99.50 0.00 4.50 59.00 348.00 580.00 992.50 5222.50
2009 952.00 714.00 566.00 i 423.00 198.00 42.00 6.00 11.00 33.50 494.50 518.50 f 1082.00 3956.00
2010 747.62 a 667.00 567.50 440.50 303.50 108.50 14.50 16.00 36.00 h 145.00 o 481.00 n 555.00 k 2865.12
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 8.50 u 4.00 h 0.00 z 4.00 m 46.00 w 0.00 z 0.00 z 0.00
2012 0.00 z 0.00 z 38.00 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
Period of Record Statistics
MEAN 936.99 712.96 609.56 386.82 209.84 74.74 8.34 10.34 91.94 346.49 669.91 904.53 4945.98
S.D. 132.50 102.24 105.58 93.44 83.41 48.56 15.98 16.89 58.04 88.83 88.19 105.99 378.67
SKEW 1.07 0.30 0.50 -0.11 0.97 0.98 2.92 2.87 0.58 -0.18 0.37 0.32 0.25
MAX 1493.50 967.50 957.68 610.50 554.68 236.00 87.50 103.00 278.00 548.00 914.00 1165.50 5826.62
MIN 612.52 507.50 390.50 171.50 54.50 2.00 0.00 0.00 6.00 111.00 507.00 636.02 4288.50
NO YRS 84 83 83 82 83 83 78 79 73 75 75 83 48