COUNCIL, IDAHO

Monthly Total Cooling Degree Days

(102187)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1911 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 240.50 122.50 16.00 0.00 z 0.00 g 0.00 379.00
1912 0.00 0.00 0.00 0.00 1.50 92.00 151.68 c 105.40 a 0.00 0.00 0.00 0.00 g 350.58
1913 0.00 0.00 0.00 0.00 22.00 48.75 b 139.00 195.09 b 28.85 d 0.00 0.00 a 0.00 b 433.68
1914 0.00 g 0.00 a 0.00 0.00 o 11.62 c 45.00 203.05 a 198.92 a 4.00 0.00 0.00 b 0.00 f 462.59
1915 0.00 b 0.00 a 0.00 z 2.00 0.00 14.00 124.50 345.00 12.00 0.00 0.00 0.00 497.50
1916 0.00 a 0.00 0.00 0.00 0.00 45.00 130.00 138.00 26.00 0.00 0.00 0.00 339.00
1917 0.00 0.00 0.00 0.00 0.00 16.50 273.00 216.50 31.50 0.00 0.00 0.00 537.50
1918 0.00 0.00 0.00 0.00 0.00 172.50 195.00 73.50 17.00 0.00 0.00 0.00 458.00
1919 0.00 0.00 0.00 0.00 32.50 96.00 257.00 228.50 12.00 0.00 0.00 z 0.00 z 626.00
1920 0.00 0.00 0.00 0.00 0.00 9.00 259.50 228.00 30.50 0.00 0.00 0.00 527.00
1921 0.00 0.00 0.00 0.00 0.00 57.50 218.00 154.50 0.00 0.00 0.00 0.00 430.00
1922 0.00 0.00 0.00 0.00 4.50 137.00 245.50 216.00 57.50 1.00 0.00 0.00 661.50
1923 0.00 0.00 0.00 0.00 0.50 18.50 230.95 a 157.00 84.00 0.00 0.00 0.00 490.95
1924 0.00 0.00 0.00 0.00 31.00 65.00 248.00 188.00 81.50 0.00 0.00 0.00 613.50
1925 0.00 0.00 a 0.00 c 0.00 6.50 137.50 327.00 155.00 13.50 0.00 0.00 0.00 639.50
1926 0.00 0.00 0.00 0.00 0.00 136.00 312.00 205.00 0.00 0.00 a 0.00 0.00 a 653.00
1927 0.00 0.00 0.00 0.00 8.00 37.50 220.50 130.50 1.50 0.00 0.00 0.00 398.00
1928 0.00 a 0.00 0.00 0.00 55.00 40.50 300.50 133.50 37.50 0.00 0.00 0.00 567.00
1929 0.00 0.00 0.00 0.00 17.00 23.50 168.50 223.50 8.50 0.00 0.00 0.00 441.00
1930 0.00 0.00 0.00 0.00 0.00 18.00 262.50 199.00 23.00 0.00 0.00 0.00 a 502.50
1931 0.00 0.00 0.00 0.00 17.50 62.50 323.00 244.00 46.50 0.00 0.00 0.00 693.50
1932 0.00 a 0.00 0.00 0.00 2.50 112.00 190.00 150.00 45.00 0.00 0.00 0.00 499.50
1933 0.00 0.00 0.00 0.00 3.00 85.50 283.50 193.00 15.50 5.34 b 0.00 0.00 585.84
1934 0.00 0.00 0.00 3.00 50.50 53.50 248.00 254.00 7.00 3.00 0.00 0.00 619.00
1935 0.00 0.00 0.00 0.00 0.50 38.00 209.50 164.00 51.00 3.00 0.00 0.00 466.00
1936 0.00 0.00 0.00 3.00 29.50 90.00 325.50 218.00 14.50 0.00 0.00 0.00 680.50
1937 0.00 0.00 0.00 0.00 0.00 41.00 279.00 146.00 85.00 0.00 0.00 d 0.00 551.00
1938 0.00 0.00 0.00 0.00 5.50 92.07 a 255.50 147.00 91.00 0.00 0.00 z 0.00 z 591.07
1939 0.00 z 0.00 z 0.00 z 0.50 16.50 38.00 254.00 246.50 27.50 0.00 0.00 0.00 583.00
1940 0.00 0.00 0.00 0.00 18.50 160.00 256.50 0.00 z 58.50 0.00 0.00 0.00 a 493.50
1941 0.00 0.00 a 0.00 0.00 18.08 a 20.17 a 256.00 155.00 1.07 b 0.00 0.00 0.00 450.33
1942 0.00 0.00 0.00 0.00 0.00 z 0.00 z 335.50 267.93 c 48.50 0.00 0.00 b 0.00 b 651.93
1943 0.00 0.00 0.00 0.00 a 0.00 13.00 233.03 b 160.50 82.50 4.50 0.00 0.00 493.53
1944 477.00 0.00 0.00 0.00 21.50 19.66 a 203.50 162.00 72.00 0.00 0.00 0.00 955.66
1945 0.00 0.00 0.00 0.00 4.00 31.00 241.50 202.50 27.50 2.50 0.00 0.00 509.00
1946 0.00 0.00 0.00 2.00 0.50 44.50 241.00 200.00 18.10 a 0.00 a 0.00 0.00 506.10
1947 0.00 0.00 0.00 0.00 37.50 6.50 242.50 134.00 28.50 0.00 0.00 b 0.00 a 449.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 103.50 29.50 0.00 0.00 0.00 133.00
1949 0.00 0.00 0.00 0.00 56.50 46.00 200.50 248.50 92.00 0.00 b 0.00 0.00 643.50
1950 0.00 c 0.00 0.00 0.00 0.00 41.00 183.50 195.50 83.00 0.00 0.00 0.00 503.00
1951 0.00 0.00 0.00 0.00 1.00 15.00 250.00 194.00 24.00 0.00 d 0.00 0.00 484.00
1952 0.00 0.00 0.00 0.00 l 5.00 57.00 210.00 168.00 62.50 2.50 0.00 0.00 505.00
1953 0.00 0.00 g 0.00 z 0.00 0.00 5.50 292.00 234.00 96.50 0.00 0.00 0.00 628.00
1954 0.00 0.00 0.00 0.00 31.00 59.50 259.00 157.00 23.50 0.00 0.00 0.00 530.00
1955 0.00 0.00 0.00 0.00 1.00 76.50 216.50 326.00 98.00 0.00 0.00 0.00 718.00
1956 0.00 0.00 0.00 0.00 41.50 62.00 313.00 209.50 41.50 0.00 0.00 0.00 667.50
1957 0.00 0.00 0.00 0.00 16.50 81.50 221.00 196.50 77.00 9.00 0.00 0.00 601.50
1958 0.00 0.00 0.00 0.00 78.50 91.55 a 240.50 302.50 23.89 c 0.00 0.00 0.00 736.94
1959 0.00 0.00 0.00 0.00 b 14.50 108.00 284.50 122.00 16.50 0.00 0.00 0.00 545.50
1960 0.00 0.00 0.00 0.00 0.00 54.50 331.50 130.50 13.00 0.00 z 0.00 z 0.00 x 529.50
1961 0.00 0.00 0.00 0.00 19.50 229.00 352.50 379.50 6.00 0.00 0.00 0.00 986.50
1962 0.00 c 0.00 0.00 e 0.00 0.00 b 86.00 203.00 137.43 a 18.10 a 0.00 a 0.00 0.00 444.54
1963 0.00 a 0.00 0.00 o 0.00 15.50 46.00 138.43 b 251.50 71.00 3.00 0.00 0.00 525.43
1964 0.00 0.00 0.00 a 0.00 6.72 a 19.50 226.50 133.50 5.17 a 0.00 0.00 0.00 391.39
1965 0.00 0.00 d 0.00 p 0.00 5.00 50.00 208.50 145.50 0.00 0.00 0.00 0.00 409.00
1966 0.00 0.00 0.00 g 0.00 48.50 56.50 244.50 202.50 67.50 0.00 0.00 0.00 619.50
1967 0.00 0.00 o 0.00 r 0.00 15.00 51.50 335.50 335.50 80.00 0.00 0.00 0.00 m 817.50
1968 0.00 e 0.00 0.00 c 0.00 1.55 a 59.44 c 351.50 168.00 28.00 0.00 0.00 0.00 608.49
1969 0.00 0.00 0.00 0.00 7.50 90.00 229.50 246.50 54.00 0.00 0.00 0.00 627.50
1970 0.00 0.00 0.00 0.00 5.50 169.00 288.50 296.50 22.00 7.00 0.00 0.00 788.50
1971 0.00 0.00 0.00 0.00 21.50 47.50 298.00 381.00 10.50 4.13 a 0.00 0.00 762.63
1972 0.00 0.00 0.00 0.00 39.00 122.50 241.50 304.50 27.00 1.00 0.00 0.00 a 735.50
1973 0.00 b 0.00 c 0.00 0.00 40.00 132.50 336.50 244.50 47.50 0.00 0.00 0.00 a 801.00
1974 0.00 a 0.00 0.00 0.00 c 0.53 b 226.00 283.13 a 233.50 64.29 b 0.00 0.00 0.00 807.45
1975 0.00 0.00 0.00 0.00 2.50 34.00 388.00 145.50 91.50 2.00 0.00 0.00 663.50
1976 0.00 0.00 0.00 0.00 6.50 56.50 278.00 107.50 68.50 0.00 0.00 0.00 517.00
1977 0.00 0.00 0.00 19.50 3.00 189.50 257.00 310.00 54.31 a 0.00 0.00 0.00 833.31
1978 0.00 0.00 0.00 0.00 0.00 46.00 247.50 204.00 41.50 0.00 0.00 0.00 539.00
1979 0.00 0.00 0.00 0.00 15.50 105.50 320.00 238.50 73.50 12.50 0.00 0.00 765.50
1980 0.00 a 0.00 0.00 2.00 9.00 48.50 238.50 141.50 44.48 a 0.00 0.00 0.00 483.98
1981 0.00 0.00 0.00 a 0.00 d 2.50 39.00 216.50 335.00 114.00 0.00 c 0.00 b 0.00 707.00
1982 0.00 0.00 0.00 0.00 c 1.72 d 107.50 172.00 278.00 37.00 0.00 0.00 n 0.00 a 596.22
1983 0.00 0.00 0.00 0.00 p 13.50 p 36.00 180.50 257.00 13.50 0.00 a 0.00 l 0.00 j 487.00
1984 0.00 j 0.00 i 0.00 l 0.00 l 9.00 47.50 256.00 264.00 43.50 0.00 a 0.00 m 0.00 620.00
1985 0.00 0.00 0.00 0.00 19.00 65.00 426.50 126.50 5.50 0.00 0.00 0.00 642.50
1986 0.00 0.00 0.00 0.00 53.70 c 176.50 130.50 350.00 38.00 0.00 0.00 z 0.00 748.70
1987 0.00 0.00 0.00 8.50 25.00 127.00 156.50 138.50 71.00 0.00 0.00 a 0.00 526.50
1988 0.00 0.00 0.00 b 0.00 a 16.02 a 177.00 298.00 213.00 64.00 13.00 0.00 0.00 781.02
1989 0.00 q 0.00 0.00 b 0.00 1.00 v 0.00 z 0.00 z 0.00 z 3.50 k 0.00 0.00 0.00 l 0.00
1990 0.00 k 0.00 u 0.00 v 0.00 l 0.00 j 48.50 l 202.00 l 220.50 i 96.50 m 3.50 k 0.00 j 0.00 n 0.00
1991 0.00 l 0.00 i 0.00 k 0.00 2.00 i 17.50 k 134.00 j 184.00 j 26.50 j 0.00 m 0.00 o 0.00 l 0.00
1992 0.00 k 0.00 l 0.00 j 0.00 n 17.50 m 92.00 j 101.00 i 196.00 m 13.00 m 0.00 m 0.00 k 0.00 o 0.00
1993 0.00 n 0.00 j 0.00 b 0.00 a 31.00 l 12.50 i 31.00 k 87.00 i 20.00 i 3.50 l 0.00 p 0.00 j 0.00
1994 0.00 n 0.00 j 0.00 j 0.50 l 29.00 k 111.00 233.50 m 347.20 a 35.50 k 0.00 m 0.00 j 0.00 o 458.20
1995 0.00 k 0.00 m 0.00 j 0.00 l 2.00 k 41.38 a 130.00 m 133.00 50.00 k 0.00 j 0.00 m 0.00 n 174.38
1996 0.00 n 0.00 l 0.00 m 0.00 a 0.00 i 43.00 k 189.50 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 l 0.00
1997 0.00 t 0.00 r 0.00 z 0.00 z 17.50 n 41.50 j 136.00 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 85.00 p 0.00 o 0.00 q 0.00 z 0.00
1999 0.00 s 0.00 q 0.00 z 0.00 u 18.00 s 27.50 s 113.00 s 227.00 h 9.50 s 0.00 s 0.00 v 0.00 x 0.00
2000 0.00 p 0.00 m 0.00 i 0.00 j 3.00 k 80.50 k 202.50 m 258.00 h 47.50 k 0.00 l 0.00 l 0.00 k 0.00
2001 0.00 k 0.00 j 0.00 i 0.00 j 23.50 k 35.50 n 156.00 m 269.00 h 18.50 q 3.50 m 0.00 o 0.00 n 0.00
2002 0.00 m 0.00 n 0.00 k 0.00 k 4.50 m 74.00 p 317.00 j 106.00 i 31.50 m 0.00 i 0.00 o 0.00 m 0.00
2003 0.00 o 0.00 k 0.00 m 0.00 i 24.50 l 48.50 n 285.50 k 216.50 l 23.00 p 13.50 l 0.00 m 0.00 n 0.00
2004 0.00 q 0.00 m 0.00 n 0.00 p 0.00 q 57.50 m 127.50 q 124.00 p 22.50 l 2.00 p 0.00 k 0.00 l 0.00
2005 0.00 o 0.00 t 0.00 m 0.00 m 0.00 m 37.00 m 144.50 o 150.50 n 0.50 r 0.00 w 0.00 o 0.00 n 0.00
2006 0.00 r 0.00 m 0.00 o 0.00 n 38.00 o 31.50 q 208.50 q 123.00 s 24.50 q 0.00 o 0.00 q 0.00 y 0.00
2007 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 234.50 71.50 0.00 0.00 0.00 g 306.00
2008 0.00 f 0.00 0.00 0.00 18.00 86.00 304.50 239.50 16.50 3.00 0.00 0.00 667.50
2009 0.00 0.00 0.00 0.00 30.50 47.50 222.00 f 227.00 31.50 u 0.00 g 0.00 0.00 305.00
2010 0.00 0.00 0.00 0.00 2.00 40.50 201.50 179.50 25.00 14.00 0.00 0.00 462.50
2011 0.00 0.00 0.00 0.00 0.50 22.00 194.50 275.50 83.00 1.03 a 0.00 0.00 c 576.53
2012 0.00 b 0.00 0.00 2.50 16.50 47.50 371.50 316.41 b 37.22 c 0.00 b 0.00 0.00 791.64
2013 0.00 0.00 0.00 a 0.00 z 0.00 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 6.12 0.00 0.00 0.53 14.15 71.37 250.14 209.02 40.72 1.12 0.00 0.00 597.08
S.D. 54.01 0.00 0.00 2.41 16.97 51.21 61.91 70.39 29.66 2.88 0.00 0.00 140.57
SKEW 8.66 0.00 0.00 6.59 1.51 1.19 0.22 0.54 0.48 3.17 0.00 0.00 0.63
MAX 477.00 0.00 0.00 19.50 78.50 229.00 426.50 381.00 114.00 14.00 0.00 0.00 986.50
MIN 0.00 0.00 0.00 0.00 0.00 5.50 124.50 73.50 0.00 0.00 0.00 0.00 339.00
NO YRS 78 79 76 81 79 82 81 85 83 82 77 76 60