PORTHILL, IDAHO

Monthly Total Cooling Degree Days

(107264)

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
1892 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1893 0.00 0.00 0.00 0.00 c 0.00 0.00 115.50 94.00 0.50 0.00 0.00 0.00 a 210.00
1894 0.00 0.00 0.00 0.00 a 14.00 13.45 a 73.00 i 90.42 a 0.00 0.00 0.00 0.00 117.86
1895 0.00 0.00 a 0.00 0.00 7.75 a 36.43 b 51.00 l 96.21 b 0.00 0.00 0.00 0.00 a 140.39
1896 0.00 0.00 a 0.00 0.00 15.00 59.50 182.00 74.92 a 0.00 0.00 a 0.00 0.00 d 331.42
1897 0.00 0.00 0.00 a 2.50 74.00 78.50 103.50 238.50 1.00 0.00 a 0.00 0.00 498.00
1898 0.00 0.00 a 0.00 0.00 28.00 32.00 131.50 q 0.00 z 0.00 z 0.00 0.00 0.00 e 60.00
1899 0.00 e 0.00 0.00 0.00 9.00 0.00 165.00 21.00 0.00 0.00 0.00 0.00 a 195.00
1900 0.00 0.00 0.00 0.00 0.00 68.00 150.50 12.92 a 0.00 0.00 0.00 0.00 231.42
1901 0.00 0.00 0.00 0.00 z 1.00 n 1.00 91.00 82.00 0.00 0.00 0.00 0.00 174.00
1902 0.00 0.00 0.00 0.00 0.00 0.50 41.50 32.00 0.00 0.00 0.00 0.00 74.00
1903 0.00 0.00 0.00 0.00 0.00 17.00 25.00 23.00 0.00 0.00 0.00 0.00 65.00
1904 0.00 0.00 0.00 0.00 0.00 9.50 81.00 33.50 1.00 0.00 0.00 0.00 125.00
1905 0.00 0.00 0.00 0.00 0.00 5.50 109.50 71.00 0.00 0.00 0.00 0.00 186.00
1906 0.00 0.00 0.00 0.00 1.50 5.00 194.50 65.00 16.00 0.00 0.00 0.00 282.00
1907 0.00 0.00 0.00 0.00 0.50 7.00 47.50 27.00 0.00 0.00 0.00 0.00 82.00
1908 0.00 0.00 0.00 0.00 0.00 2.50 100.00 53.00 0.00 0.00 0.00 0.00 155.50
1909 0.00 0.00 0.00 0.00 0.00 4.50 39.00 17.50 0.00 0.00 0.00 0.00 61.00
1910 0.00 0.00 0.00 0.00 0.00 0.00 82.00 24.50 1.00 0.00 0.00 0.00 107.50
1911 0.00 0.00 0.00 0.00 0.00 0.50 63.00 2.50 0.00 0.00 0.00 0.00 66.00
1912 0.00 0.00 0.00 0.00 0.00 51.43 b 13.50 26.00 0.00 0.00 0.00 0.00 90.93
1913 0.00 0.00 0.00 0.00 0.00 0.00 54.50 51.50 0.00 0.00 0.00 0.00 106.00
1914 0.00 0.00 0.00 0.00 0.00 4.50 72.50 42.00 0.00 0.00 0.00 0.00 119.00
1915 0.00 0.00 0.00 0.00 0.00 0.00 27.50 115.00 0.00 0.00 0.00 0.00 142.50
1916 0.00 0.00 0.00 0.00 0.00 6.00 15.50 15.50 1.50 0.00 0.00 0.00 38.50
1917 0.00 0.00 0.00 0.00 0.00 4.00 93.00 24.00 0.00 0.00 0.00 0.00 121.00
1918 0.00 0.00 0.00 0.00 0.00 53.00 83.50 19.50 0.00 0.00 0.00 0.00 156.00
1919 0.00 0.00 0.00 0.00 0.50 37.00 73.50 39.50 0.00 0.00 0.00 0.00 150.50
1920 0.00 0.00 0.00 0.00 0.00 0.50 122.50 68.50 0.00 0.00 0.00 0.00 191.50
1921 0.00 0.00 0.00 0.00 0.00 6.00 57.50 47.50 0.00 0.00 0.00 0.00 111.00
1922 0.00 0.00 0.00 0.00 0.00 22.50 68.00 67.50 1.50 0.00 0.00 0.00 159.50
1923 0.00 0.00 0.00 0.00 0.00 7.00 97.00 19.00 0.00 0.00 0.00 0.00 123.00
1924 0.00 0.00 0.00 0.00 1.50 7.00 84.00 2.50 0.00 a 0.00 0.00 0.00 95.00
1925 0.00 0.00 0.00 0.00 0.00 40.00 94.50 10.00 0.50 0.00 0.00 0.00 a 145.00
1926 0.00 0.00 0.00 0.00 0.00 54.11 b 144.00 12.50 0.00 0.00 0.00 0.00 210.61
1927 0.00 0.00 0.00 0.00 0.00 3.00 68.50 44.00 0.00 0.00 0.00 0.00 115.50
1928 0.00 0.00 0.00 0.00 a 0.00 6.00 103.50 23.50 2.50 0.00 0.00 a 0.00 135.50
1929 0.00 0.00 0.00 0.00 1.00 1.50 68.00 54.50 1.00 0.00 0.00 0.00 126.00
1930 0.00 0.00 0.00 0.00 0.00 4.00 111.00 89.00 4.00 0.00 0.00 0.00 208.00
1931 0.00 0.00 0.00 0.00 1.50 14.46 b 105.50 81.50 11.50 0.00 0.00 0.00 214.46
1932 0.00 0.00 0.00 0.00 0.00 17.50 60.00 73.00 2.50 0.00 0.00 0.00 153.00
1933 0.00 0.00 0.00 0.00 0.00 29.50 64.50 71.00 0.00 0.00 0.00 0.00 165.00
1934 0.00 0.00 0.00 0.00 12.00 11.50 74.00 31.00 3.00 0.00 0.00 0.00 131.50
1935 0.00 0.00 0.00 0.00 0.00 0.00 68.50 23.00 5.50 0.00 0.00 0.00 97.00
1936 0.00 0.00 0.00 0.00 38.50 48.50 115.50 91.50 0.50 0.00 0.00 0.00 294.50
1937 0.00 0.00 0.00 0.00 0.00 30.50 103.50 21.50 9.00 0.00 0.00 0.00 164.50
1938 0.00 0.00 0.00 0.00 1.00 33.50 145.00 28.00 28.00 0.00 0.00 0.00 235.50
1939 0.00 0.00 0.00 0.00 6.50 11.50 107.00 71.00 f 2.00 0.00 0.00 0.00 127.00
1940 0.00 0.00 0.00 0.00 2.50 51.50 139.50 83.00 34.00 0.00 0.00 0.00 310.50
1941 0.00 0.00 0.00 0.00 0.00 20.00 158.00 59.00 0.00 0.00 0.00 0.00 237.00
1942 0.00 0.00 0.00 0.00 3.00 9.00 80.50 103.50 9.50 0.00 0.00 0.00 205.50
1943 0.00 0.00 0.00 0.00 a 0.00 7.50 b 85.77 a 14.50 0.00 0.00 a 0.00 0.00 107.77
1944 0.00 0.00 0.00 0.00 0.00 21.11 c 104.50 32.50 35.00 0.00 0.00 0.00 193.11
1945 0.00 0.00 0.00 0.00 0.50 21.00 149.50 108.50 9.31 a 0.00 0.00 0.00 288.81
1946 0.00 a 0.00 0.00 0.00 0.00 7.50 59.00 53.00 0.00 0.00 0.00 0.00 119.50
1947 0.00 0.00 0.00 0.00 0.00 5.00 109.50 41.00 0.50 0.00 0.00 0.00 156.00
1948 0.00 0.00 0.00 0.00 a 7.00 42.86 b 40.00 10.00 6.00 0.00 0.00 0.00 105.86
1949 0.00 0.00 0.00 0.00 1.50 17.00 67.00 49.08 a 8.00 0.00 a 0.00 0.00 142.58
1950 0.00 0.00 0.00 0.00 0.00 15.00 66.50 48.00 21.00 0.00 0.00 0.00 150.50
1951 0.00 0.00 0.00 0.00 0.00 10.50 110.50 49.00 0.00 0.00 0.00 0.00 170.00
1952 0.00 0.00 0.00 0.00 0.00 7.00 66.00 77.50 5.50 0.00 0.00 0.00 156.00
1953 0.00 0.00 0.00 0.00 0.50 0.00 100.00 63.50 3.50 0.00 g 0.00 j 0.00 167.50
1954 0.00 0.00 0.00 0.00 3.00 0.00 50.50 19.50 0.00 0.00 0.00 0.00 73.00
1955 0.00 0.00 0.00 0.00 0.00 23.50 98.00 35.00 11.50 0.00 0.00 0.00 168.00
1956 0.00 0.00 0.00 0.00 9.50 5.50 122.50 55.50 0.00 0.00 0.00 0.00 193.00
1957 0.00 0.00 0.00 0.00 3.50 19.50 27.00 13.00 14.50 0.00 0.00 0.00 77.50
1958 0.00 k 0.00 0.00 z 0.00 30.50 48.00 140.00 180.50 17.59 a 0.00 0.00 e 0.00 416.59
1959 0.00 0.00 0.00 0.00 3.00 6.50 121.00 31.50 0.50 0.00 0.00 0.00 162.50
1960 0.00 0.00 0.00 0.00 0.00 5.50 179.50 44.00 0.00 0.00 0.00 0.00 229.00
1961 0.00 0.00 0.00 0.00 1.50 79.50 102.50 104.00 0.00 a 0.00 0.00 0.00 287.50
1962 0.00 0.00 0.00 0.00 0.00 18.00 59.50 19.50 0.00 0.00 0.00 0.00 97.00
1963 0.00 0.00 0.00 0.00 0.50 21.00 28.00 69.00 10.00 0.00 0.00 0.00 128.50
1964 0.00 0.00 0.00 0.00 0.00 0.50 83.00 7.00 0.00 0.00 0.00 0.00 90.50
1965 0.00 0.00 0.00 0.00 0.00 14.50 108.50 116.50 0.00 0.00 0.00 0.00 239.50
1966 0.00 0.00 0.00 0.00 3.50 1.50 64.50 44.00 7.50 0.00 0.00 0.00 121.00
1967 0.00 0.00 0.00 0.00 0.00 16.50 99.00 155.00 41.00 0.00 0.00 0.00 311.50
1968 0.00 a 0.00 0.00 0.00 0.00 10.00 103.50 27.50 1.00 0.00 0.00 0.00 142.00
1969 0.00 0.00 0.00 0.00 2.50 50.00 56.00 59.50 9.50 0.00 0.00 0.00 177.50
1970 0.00 0.00 0.00 0.00 4.50 90.50 149.00 78.02 a 4.00 0.00 0.00 0.00 326.02
1971 0.00 0.00 0.00 0.00 0.00 4.00 111.50 168.50 0.00 0.00 0.00 0.00 284.00
1972 0.00 0.00 0.00 0.00 9.00 5.00 38.50 111.50 0.00 0.00 0.00 0.00 164.00
1973 0.00 0.00 0.00 0.00 4.00 31.00 116.00 108.00 17.50 0.00 0.00 0.00 276.50
1974 0.00 0.00 0.00 0.00 0.00 64.50 72.50 54.00 0.00 0.00 0.00 0.00 191.00
1975 0.00 0.00 0.00 0.00 0.00 3.50 166.50 21.00 0.52 a 0.00 0.00 0.00 191.52
1976 0.00 0.00 0.00 0.00 0.00 9.00 50.63 a 20.50 0.00 0.00 0.00 0.00 80.13
1977 0.00 0.00 0.00 0.00 0.00 58.00 75.50 124.50 0.00 0.00 0.00 0.00 258.00
1978 0.00 0.00 0.00 0.00 0.00 38.00 73.50 64.50 5.69 a 0.00 0.00 0.00 181.69
1979 0.00 a 0.00 a 0.00 0.00 0.00 59.50 142.50 92.50 0.50 0.00 0.00 0.00 295.00
1980 0.00 0.00 0.00 0.00 0.50 7.00 66.50 6.50 0.00 0.00 0.00 0.00 80.50
1981 0.00 0.00 0.00 0.00 0.00 2.50 36.68 a 92.00 2.50 0.00 0.00 0.00 a 133.68
1982 0.00 a 0.00 a 0.00 0.00 0.00 63.50 50.00 35.50 0.00 0.00 0.00 0.00 149.00
1983 0.00 0.00 0.00 a 0.00 z 22.00 7.50 44.50 105.00 0.00 0.00 0.00 0.00 179.00
1984 0.00 0.00 0.00 0.00 3.00 14.00 111.50 90.00 1.00 0.00 a 0.00 0.00 b 219.50
1985 0.00 0.00 0.00 0.00 16.00 32.50 225.50 31.52 a 0.00 b 0.00 0.00 0.00 a 305.52
1986 0.00 a 0.00 0.00 0.00 a 51.00 62.50 25.83 a 131.75 a 0.00 0.00 0.00 0.00 271.08
1987 0.00 a 0.00 0.00 0.00 1.00 81.00 110.00 49.00 11.00 0.00 0.00 0.00 252.00
1988 0.00 0.00 0.00 0.00 4.00 59.50 108.00 84.14 c 23.50 0.00 0.00 0.00 279.14
1989 0.00 0.00 0.00 0.00 0.00 c 36.00 115.50 43.50 0.00 0.00 0.00 0.00 195.00
1990 0.00 0.00 0.00 0.00 0.00 a 32.50 133.00 126.00 2.00 0.00 0.00 a 0.00 293.50
1991 0.00 0.00 0.00 0.00 c 0.00 4.50 95.00 0.00 z 2.00 0.00 a 0.00 0.00 101.50
1992 0.00 0.00 0.00 0.00 9.00 114.00 74.50 120.00 1.00 0.00 0.00 0.00 a 318.50
1993 0.00 0.00 0.00 0.00 33.00 27.50 11.50 53.00 6.50 0.00 0.00 0.00 131.50
1994 0.00 0.00 0.00 0.00 5.00 23.00 172.05 a 114.00 2.07 a 0.00 0.00 0.00 a 316.12
1995 0.00 0.00 a 0.00 b 0.00 5.68 a 19.00 85.50 31.00 8.50 0.00 b 0.00 0.00 a 149.68
1996 0.00 0.00 0.00 0.00 0.00 a 11.38 a 115.73 a 66.00 0.00 0.00 a 0.00 0.00 a 193.11
1997 0.00 0.00 0.00 b 0.00 z 0.00 a 22.22 c 77.50 a 70.78 a 2.59 a 0.00 0.00 a 0.00 173.09
1998 0.00 a 0.00 0.00 0.00 1.55 a 12.32 b 210.05 b 119.50 45.50 0.00 0.00 0.00 c 388.92
1999 0.00 0.00 0.00 0.00 a 0.50 27.00 75.50 114.00 0.00 b 0.00 0.00 0.00 217.00
2000 0.00 0.00 0.00 0.00 0.00 12.00 127.62 a 116.50 0.00 0.00 a 0.00 0.00 256.12
2001 0.00 0.00 0.00 0.00 38.00 17.00 119.50 149.50 15.50 0.00 c 0.00 0.00 a 339.50
2002 0.00 0.00 0.00 0.00 3.00 51.00 162.50 53.00 2.00 0.00 0.00 0.00 271.50
2003 0.00 0.00 0.00 0.00 2.00 51.00 213.50 149.00 33.00 0.00 0.00 0.00 448.50
2004 0.00 z 0.00 0.00 0.00 0.00 43.97 a 149.00 152.00 0.00 0.00 g 0.00 0.00 344.97
2005 0.00 c 0.00 0.00 0.00 7.00 10.50 102.00 65.00 0.00 0.00 0.00 z 0.00 184.50
2006 0.00 z 0.00 0.00 0.00 14.50 48.00 204.50 72.00 0.50 i 0.00 0.00 0.00 e 339.00
2007 0.00 d 0.00 b 0.00 d 0.00 0.57 d 42.50 219.50 h 71.50 h 10.00 0.00 j 0.00 0.00 53.07
2008 0.00 0.00 e 0.00 i 0.00 9.00 f 14.00 h 92.50 f 105.18 c 0.00 h 0.00 d 0.00 h 0.00 f 105.18
2009 0.00 g 0.00 0.00 d 0.00 j 7.50 j 5.50 n 23.50 z 20.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2010 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00
2011 0.00 0.00 0.00 0.00 f 0.00 11.00 59.50 130.64 c 5.00 0.00 0.00 a 0.00 206.14
2012 0.00 0.00 0.00 0.00 b 0.00 4.50 127.62 a 79.00 k 0.00 0.00 a 0.00 0.00 132.12
2013 0.00 0.00 0.00 b 0.00 z 0.00 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 0.00 0.00 0.00 0.02 4.48 23.20 96.21 64.98 4.69 0.00 0.00 0.00 187.81
S.D. 0.00 0.00 0.00 0.23 10.93 23.56 45.60 44.37 8.99 0.00 0.00 0.00 87.63
SKEW 0.00 0.00 0.00 10.54 3.82 1.29 0.57 0.97 2.64 0.00 0.00 0.00 0.87
MAX 0.00 0.00 0.00 2.50 74.00 114.00 225.50 238.50 45.50 0.00 0.00 0.00 498.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 11.50 2.50 0.00 0.00 0.00 0.00 38.50
NO YRS 116 120 118 114 116 117 113 113 115 115 116 118 101