DEER FLAT DAM, IDAHO

Monthly Total Heating Degree Days

(102444)

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
1916 0.00 z 0.00 z 339.50 m 289.66 a 295.00 f 135.52 a 22.73 a 0.00 z 119.46 b 371.00 l 965.40 e 0.00 z 1532.77
1917 0.00 z 0.00 z 0.00 z 0.00 z 230.12 e 55.50 j 4.00 g 0.00 a 89.42 d 293.00 f 472.00 j 0.00 z 319.54
1918 0.00 z 0.00 z 0.00 z 0.00 z 274.50 p 0.00 z 0.00 z 20.50 k 22.50 d 0.00 z 725.69 a 0.00 z 748.19
1919 0.00 z 0.00 z 0.00 z 0.00 z 94.50 23.00 3.50 10.50 101.50 435.07 b 0.00 z 0.00 z 668.07
1920 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 33.00 m 0.00 36.00 158.50 524.00 759.50 0.00 z 1478.00
1921 0.00 z 0.00 z 0.00 z 0.00 z 253.00 60.50 28.50 0.00 243.50 350.00 0.00 z 0.00 z 935.50
1922 0.00 z 0.00 z 0.00 z 571.00 300.50 43.00 3.21 b 6.64 c 88.00 j 324.00 0.00 z 0.00 z 1248.35
1923 0.00 z 0.00 z 0.00 z 477.50 304.50 151.00 4.50 0.50 105.50 503.00 0.00 z 0.00 z 1546.50
1924 0.00 z 0.00 z 0.00 z 0.00 z 123.00 69.00 9.50 24.00 1.00 r 0.00 z 0.00 z 0.00 z 225.50
1925 0.00 z 0.00 z 0.00 z 0.00 z 142.00 140.00 0.00 40.82 a 0.00 z 0.00 z 0.00 z 0.00 z 322.82
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 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
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 0.00 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 0.00 z 0.00 z 0.00 z 0.00
1938 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
1939 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
1940 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
1941 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 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
1946 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
1947 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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 17.57 a 141.00 440.00 824.50 1174.50 2597.57
1949 1615.00 928.00 658.00 333.50 134.00 74.00 7.50 0.00 96.00 555.50 682.50 985.00 6069.00
1950 1208.50 879.00 765.00 480.00 319.50 116.50 5.00 8.00 126.50 297.50 626.40 e 829.00 5660.90
1951 1036.50 749.50 808.00 364.50 227.00 95.50 0.50 33.50 i 105.50 445.00 777.50 1080.00 5689.50
1952 1178.50 975.00 820.50 350.50 194.50 65.50 7.00 3.50 66.00 335.50 888.50 938.00 5823.00
1953 701.00 752.00 648.50 499.50 341.00 130.50 0.00 13.50 89.50 371.00 573.50 975.50 5095.50
1954 838.50 698.00 747.00 415.50 190.00 161.00 6.50 43.00 142.00 470.00 663.00 1057.00 5431.50
1955 1216.50 984.00 822.50 565.00 316.00 66.50 49.00 0.00 182.00 393.50 860.50 864.50 6320.00
1956 962.50 1050.50 666.50 381.00 186.00 91.50 8.00 27.50 119.00 485.00 905.00 1053.50 5936.00
1957 1413.00 949.50 673.00 468.00 199.00 65.50 3.50 8.00 101.00 479.00 841.50 919.00 6120.00
1958 1050.00 652.00 741.50 493.50 118.50 59.00 5.50 1.50 145.50 384.50 764.50 905.50 5321.50
1959 898.50 758.00 526.00 i 384.50 335.50 43.50 9.50 17.50 195.00 418.50 853.50 1128.00 5042.00
1960 1289.00 883.50 676.32 a 401.00 301.50 21.50 0.00 65.50 73.50 452.00 719.00 1101.50 5984.32
1961 1074.50 674.50 604.00 451.50 204.00 9.00 0.00 0.00 235.50 512.00 863.79 a 1093.00 5721.79
1962 1394.00 944.50 753.50 327.00 275.50 61.50 4.50 24.50 77.50 416.50 680.00 944.00 5903.00
1963 1257.50 630.00 605.00 506.50 155.50 101.38 a 2.00 0.00 a 44.50 295.00 695.50 1143.00 5435.88
1964 1178.50 1043.00 785.50 499.00 289.50 105.50 1.50 54.50 171.00 413.00 784.00 914.50 6239.50
1965 998.00 766.50 786.00 363.00 292.00 70.00 6.00 30.50 251.00 370.00 635.00 1067.50 5635.50
1966 927.50 829.00 630.50 431.50 155.00 108.50 8.50 21.50 33.00 465.00 629.50 991.00 5230.50
1967 881.00 715.00 664.00 587.50 231.50 63.50 0.00 0.00 39.00 449.00 698.50 1090.50 5419.50
1968 1103.50 704.50 569.00 506.50 215.50 50.00 1.50 62.50 140.00 466.00 740.00 950.00 5509.00
1969 1017.50 872.50 739.50 367.00 112.50 67.50 2.00 7.00 95.50 541.50 769.50 945.00 5537.00
1970 869.50 700.50 688.00 566.00 229.00 71.50 0.00 0.00 239.50 524.50 683.50 1012.00 5584.00
1971 990.00 761.50 765.50 437.50 161.50 105.00 13.00 5.00 214.00 456.50 767.00 1034.50 5711.00
1972 1114.50 891.50 588.00 458.00 167.00 45.50 18.00 0.00 214.00 392.00 730.50 1281.00 5900.00
1973 1074.67 a 752.00 633.50 443.00 157.50 83.00 4.00 7.00 129.00 407.50 710.00 868.00 a 5269.17
1974 1097.50 729.00 651.50 411.50 279.50 35.00 22.00 10.00 72.50 423.50 699.00 1018.50 5449.50
1975 1183.50 816.50 723.00 602.50 270.00 81.00 8.00 30.50 87.50 382.00 766.50 996.00 5947.00
1976 1012.00 843.50 797.00 471.00 119.00 118.00 2.50 35.50 88.00 440.50 756.50 1133.50 5817.00
1977 1411.50 881.50 726.50 308.50 342.00 9.00 15.00 34.50 135.00 410.00 745.50 865.00 5884.00
1978 906.00 735.00 532.50 432.50 256.00 65.50 1.00 22.50 159.50 380.50 877.00 1161.50 5529.50
1979 1548.00 868.00 611.50 435.50 173.50 47.50 10.50 1.50 20.50 328.00 893.00 955.50 5893.00
1980 1034.00 718.00 659.00 297.00 207.50 102.50 0.00 26.50 107.00 407.50 775.00 995.00 5329.00
1981 961.00 770.50 608.50 381.50 214.00 70.00 8.00 2.50 99.00 465.00 635.50 919.50 5135.00
1982 1156.00 907.50 656.88 b 475.00 194.50 79.50 15.00 0.00 143.50 417.50 868.50 1055.00 5968.88
1983 983.00 656.00 567.00 507.00 255.00 52.00 52.00 2.21 c 119.00 385.50 634.50 1214.00 5427.21
1984 1300.50 979.00 660.00 485.50 268.50 118.00 0.00 1.00 210.50 561.00 758.50 1308.50 6651.00
1985 1388.50 1062.00 846.50 345.50 173.50 37.50 0.00 26.00 0.00 z 548.50 1111.00 1663.00 7202.00
1986 1216.50 714.50 512.00 437.50 269.00 17.50 27.00 1.50 237.00 410.50 675.00 1138.50 5656.50
1987 1141.00 748.00 590.00 0.00 z 107.50 51.00 23.00 16.00 90.50 359.50 689.50 986.50 4802.50
1988 1241.00 837.50 638.00 354.50 229.00 44.50 4.00 0.00 159.00 207.50 692.00 1167.50 5574.50
1989 1339.00 1261.00 676.00 337.00 261.50 25.00 0.00 30.50 74.00 448.00 780.50 1087.00 6319.50
1990 939.00 862.00 581.00 260.50 239.00 75.50 11.50 10.50 10.50 414.00 723.50 1396.50 5523.50
1991 1280.50 725.50 632.00 442.50 293.50 86.00 0.00 0.00 44.50 0.00 z 772.50 992.00 5269.00
1992 964.00 643.50 457.00 264.00 75.00 27.50 8.00 27.00 78.00 286.50 847.50 1053.48 a 4731.48
1993 1182.00 977.50 701.50 437.50 100.00 109.50 31.00 39.00 96.50 337.00 915.50 905.50 5832.50
1994 953.50 821.00 440.00 301.00 110.50 61.00 3.00 0.00 9.50 354.00 905.50 1059.50 5018.50
1995 860.50 607.50 573.50 400.50 177.50 78.50 3.00 15.00 58.00 416.50 587.50 942.00 4720.00
1996 911.50 793.00 558.00 368.50 233.00 41.50 0.00 4.50 137.50 349.50 648.50 826.50 4872.00
1997 946.00 714.50 527.00 429.50 106.50 20.00 15.50 0.00 50.00 401.50 650.00 0.00 z 3860.50
1998 792.00 669.00 580.00 418.00 236.50 75.50 0.00 0.00 45.00 362.00 602.00 1021.00 4801.00
1999 653.50 g 752.00 489.50 f 432.50 262.50 75.50 12.50 13.50 115.00 359.71 b 381.50 l 768.00 g 2023.21
2000 676.50 h 447.50 i 495.00 f 0.00 z 169.00 46.00 4.50 0.50 133.50 354.12 e 547.00 k 653.50 k 707.62
2001 778.00 j 669.00 h 361.00 j 313.50 i 141.00 67.20 e 3.00 0.00 b 33.50 h 252.50 i 326.50 n 602.00 l 211.20
2002 960.00 817.50 675.00 358.50 200.00 61.03 a 0.00 5.50 73.50 416.71 e 488.50 j 843.50 4411.25
2003 605.50 h 573.00 f 349.50 i 415.50 231.50 23.00 0.00 0.00 74.00 158.50 g 418.50 n 507.50 l 744.00
2004 712.00 k 551.00 i 343.00 h 328.93 b 188.50 46.00 0.00 11.00 94.00 248.00 f 458.00 l 570.50 k 668.43
2005 663.00 j 549.00 i 418.00 h 300.00 f 172.00 81.50 0.00 0.52 a 126.00 251.50 i 514.00 k 705.50 k 380.02
2006 576.50 j 504.50 i 454.00 h 271.50 f 160.00 11.00 0.00 7.00 116.50 309.50 f 388.50 k 544.00 n 294.50
2007 739.50 i 473.50 i 343.50 j 383.50 113.00 0.00 z 0.00 0.00 99.50 247.00 i 431.00 l 443.00 o 596.00
2008 754.00 j 536.00 i 457.00 j 505.71 b 200.50 85.34 a 0.00 2.50 100.50 305.00 g 396.50 m 656.50 k 894.56
2009 685.00 k 832.50 732.00 440.89 b 197.00 42.50 0.50 15.50 42.00 524.50 762.50 984.00 f 3589.89
2010 912.50 762.00 635.00 510.50 359.00 69.00 10.00 36.00 69.50 290.00 781.50 1013.00 5448.00
2011 1088.50 821.50 658.50 577.50 308.00 123.50 1.60 b 0.00 23.79 a 368.50 778.00 1096.50 5845.90
2012 948.00 790.00 583.32 a 355.00 223.00 54.00 0.00 0.00 a 27.32 b 370.50 598.50 859.00 4808.64
2013 1437.00 746.67 a 549.00 7.50 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 2732.67
Period of Record Statistics
MEAN 1097.86 814.16 657.77 424.70 212.29 69.55 7.32 13.41 110.48 412.12 754.27 1037.37 5596.61
S.D. 198.02 126.77 92.65 82.13 70.10 34.91 10.54 16.22 60.24 73.00 104.84 149.69 439.08
SKEW 0.54 0.97 -0.01 0.13 0.09 0.46 2.36 1.31 0.58 -0.03 0.72 1.59 -0.12
MAX 1615.00 1261.00 846.50 602.50 359.00 161.00 52.00 65.50 251.00 561.00 1111.00 1663.00 6651.00
MIN 701.00 607.50 440.00 260.50 75.00 9.00 0.00 0.00 9.50 207.50 573.50 826.50 4720.00
NO YRS 55 57 55 62 71 70 72 72 70 62 58 54 47