KALISPELL WSO AIRPORT, MONTANA

Monthly Total Cooling Degree Days

(244558)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1899 0.00 z 0.00 z 0.00 z 0.00 z 0.00 1.00 56.00 0.50 0.00 0.00 0.00 0.00 57.50
1900 0.00 0.00 0.00 0.00 0.00 44.50 61.50 12.50 0.50 0.00 0.00 0.00 119.00
1901 0.00 0.00 0.00 0.00 4.00 0.00 55.00 59.50 1.00 0.00 0.00 0.00 119.50
1902 0.00 0.00 0.00 0.00 3.00 2.00 26.00 20.00 0.00 0.00 0.00 0.00 51.00
1903 0.00 0.00 0.00 0.00 2.50 13.00 22.00 24.50 0.00 0.00 0.00 0.00 62.00
1904 0.00 0.00 0.00 0.00 0.00 5.50 74.50 55.50 0.50 0.00 0.00 0.00 136.00
1905 0.00 0.00 0.00 0.00 0.00 2.50 80.50 73.00 0.50 0.00 0.00 0.00 156.50
1906 0.00 0.00 0.00 0.00 0.00 2.00 127.00 45.50 8.00 0.00 0.00 0.00 182.50
1907 0.00 0.00 0.00 0.00 0.00 0.00 25.50 17.50 0.00 0.00 0.00 0.00 43.00
1908 0.00 0.00 0.00 0.00 0.00 1.00 94.50 45.50 0.00 0.00 0.00 0.00 141.00
1909 0.00 0.00 0.00 0.00 0.00 11.00 42.00 15.00 1.00 0.00 0.00 0.00 69.00
1910 0.00 0.00 0.00 0.00 0.50 13.00 78.50 13.00 3.00 0.00 0.00 0.00 108.00
1911 0.00 0.00 0.00 0.00 0.00 25.00 42.50 14.50 6.50 0.00 0.00 0.00 88.50
1912 0.00 0.00 0.00 0.00 0.00 41.50 16.00 11.00 0.00 0.00 0.00 0.00 68.50
1913 0.00 0.00 0.00 0.00 0.00 20.50 46.50 55.50 2.00 0.00 0.00 0.00 124.50
1914 0.00 0.00 0.00 0.00 0.00 16.00 84.50 55.00 0.00 0.00 0.00 0.00 155.50
1915 0.00 0.00 0.00 0.00 0.00 1.50 12.00 127.00 0.00 0.00 0.00 0.00 140.50
1916 0.00 0.00 0.00 0.00 0.00 14.00 35.00 13.00 9.50 0.00 0.00 0.00 71.50
1917 0.00 0.00 0.00 0.00 1.00 5.00 106.00 40.00 0.00 0.00 0.00 0.00 152.00
1918 0.00 0.00 0.00 0.00 0.00 57.00 88.00 22.50 0.50 0.00 0.00 0.00 168.00
1919 0.00 0.00 0.00 0.00 6.00 50.00 100.50 57.50 1.50 0.00 0.00 0.00 215.50
1920 0.00 0.00 0.00 0.00 0.00 5.00 157.50 74.50 0.00 0.00 0.00 0.00 237.00
1921 0.00 0.00 0.00 0.00 0.00 13.00 66.00 38.50 0.00 0.00 0.00 0.00 117.50
1922 0.00 0.00 0.00 0.00 0.00 35.00 47.00 80.50 1.00 0.00 0.00 0.00 163.50
1923 0.00 0.00 0.00 0.00 0.00 13.00 131.00 41.50 1.50 0.00 0.00 0.00 187.00
1924 0.00 0.00 0.00 0.00 0.50 3.50 95.00 25.00 4.00 0.00 0.00 0.00 128.00
1925 0.00 0.00 0.00 0.00 0.00 45.50 164.00 43.00 3.50 0.00 0.00 0.00 256.00
1926 0.00 0.00 0.00 0.00 0.00 48.50 139.50 30.50 0.00 0.00 0.00 0.00 218.50
1927 0.00 0.00 0.00 0.00 0.00 3.00 67.00 24.00 0.00 0.00 0.00 0.00 94.00
1928 0.00 0.00 0.00 0.00 9.50 7.00 96.50 26.00 4.00 0.00 0.00 0.00 143.00
1929 0.00 0.00 0.00 0.00 0.50 3.00 86.50 107.00 0.00 0.00 0.00 0.00 197.00
1930 0.00 0.00 0.00 0.00 0.50 4.00 117.50 123.50 4.50 0.00 0.00 0.00 250.00
1931 0.00 0.00 0.00 0.00 2.00 27.50 114.00 108.00 28.00 0.00 0.00 0.00 279.50
1932 0.00 0.00 0.00 0.00 0.00 42.50 80.50 96.00 2.50 0.00 0.00 0.00 221.50
1933 0.00 0.00 0.00 0.00 0.00 31.00 85.50 85.50 0.00 0.00 0.00 0.00 202.00
1934 0.00 0.00 0.00 0.00 31.00 14.50 99.50 64.50 5.50 0.00 0.00 0.00 215.00
1935 0.00 0.00 0.00 0.00 1.00 6.00 89.00 22.50 1.50 0.00 0.00 0.00 120.00
1936 0.00 0.00 0.00 0.00 51.00 56.50 191.50 91.00 0.00 0.00 0.00 0.00 390.00
1937 0.00 0.00 0.00 0.00 0.00 28.00 114.00 29.50 18.00 0.00 0.00 0.00 189.50
1938 0.00 0.00 0.00 0.00 2.50 24.50 123.00 55.50 49.50 0.00 0.00 0.00 255.00
1939 0.00 0.00 0.00 0.00 1.00 13.50 129.50 80.50 2.50 0.00 0.00 0.00 227.00
1940 0.00 0.00 0.00 0.00 2.00 62.50 125.00 84.50 25.50 0.00 0.00 0.00 299.50
1941 0.00 0.00 0.00 0.00 1.00 33.50 138.00 69.00 0.00 0.00 0.00 0.00 241.50
1942 0.00 0.00 0.00 0.00 3.50 6.00 74.00 89.50 2.50 0.00 0.00 0.00 175.50
1943 0.00 0.00 0.00 0.00 0.00 1.00 79.00 26.00 0.00 0.00 0.00 0.00 106.00
1944 0.00 0.00 0.00 0.00 1.00 9.00 76.00 17.50 11.50 0.00 0.00 0.00 115.00
1945 0.00 0.00 0.00 0.00 0.00 12.00 114.00 87.00 9.50 0.00 0.00 0.00 222.50
1946 0.00 0.00 0.00 0.00 0.00 0.00 93.50 59.50 0.00 0.00 0.00 0.00 153.00
1947 0.00 0.00 0.00 0.00 1.00 0.00 112.50 29.00 1.50 0.00 0.00 0.00 144.00
1948 0.00 0.00 0.00 0.00 0.50 28.00 19.00 17.00 2.50 0.00 0.00 0.00 67.00
1949 0.00 0.00 0.00 0.00 6.00 1.50 53.50 74.50 0.50 0.00 0.00 0.00 136.00
1950 0.00 0.00 0.00 0.00 0.00 10.00 58.00 20.50 15.50 0.00 0.00 0.00 104.00
1951 0.00 0.00 0.00 0.00 0.00 0.00 85.00 29.00 0.00 0.00 0.00 0.00 114.00
1952 0.00 0.00 0.00 0.00 0.00 6.00 36.00 56.50 5.50 0.00 0.00 0.00 104.00
1953 0.00 0.00 0.00 0.00 0.00 5.50 58.50 58.50 0.00 0.00 0.00 0.00 122.50
1954 0.00 0.00 0.00 0.00 0.00 0.00 50.50 13.50 0.00 0.00 0.00 0.00 64.00
1955 0.00 0.00 0.00 0.00 0.00 30.50 90.00 22.50 12.00 0.00 0.00 0.00 155.00
1956 0.00 0.00 0.00 0.00 6.50 8.00 93.50 21.00 0.00 0.00 0.00 0.00 129.00
1957 0.00 0.00 0.00 0.00 0.50 9.50 49.00 46.00 3.00 0.00 0.00 0.00 108.00
1958 0.00 0.00 0.00 0.00 31.00 21.50 68.50 131.50 19.00 0.00 0.00 0.00 271.50
1959 0.00 0.00 0.00 0.00 0.00 16.00 89.50 14.50 9.00 0.00 0.00 0.00 129.00
1960 0.00 0.00 0.00 0.00 0.00 7.50 163.50 30.50 2.50 0.00 0.00 0.00 204.00
1961 0.00 0.00 0.00 0.00 9.00 50.00 132.50 144.00 0.00 0.00 0.00 0.00 335.50
1962 0.00 0.00 0.00 0.00 0.00 9.00 55.50 33.50 0.00 0.00 0.00 0.00 98.00
1963 0.00 0.00 0.00 0.00 0.00 15.50 48.50 82.00 8.00 0.00 0.00 0.00 154.00
1964 0.00 0.00 0.00 0.00 0.00 0.00 43.00 3.00 0.00 0.00 0.00 0.00 46.00
1965 0.00 0.00 0.00 0.00 0.00 4.50 49.00 68.50 0.00 0.00 0.00 0.00 122.00
1966 0.00 0.00 0.00 0.00 4.00 0.00 54.50 25.50 0.50 0.00 0.00 0.00 84.50
1967 0.00 0.00 0.00 0.00 0.00 8.00 58.50 106.50 17.50 0.00 0.00 0.00 190.50
1968 0.00 0.00 0.00 0.00 0.00 5.50 98.50 37.50 0.00 0.00 0.00 0.00 141.50
1969 0.00 0.00 0.00 0.00 0.00 5.50 25.00 42.00 15.50 0.00 0.00 0.00 88.00
1970 0.00 0.00 0.00 0.00 0.00 53.00 84.00 44.00 1.00 0.00 0.00 0.00 182.00
1971 0.00 0.00 0.00 0.00 0.00 5.50 62.50 149.50 0.00 0.00 0.00 0.00 217.50
1972 0.00 0.00 0.00 0.00 6.50 24.00 37.50 106.00 0.00 0.00 0.00 0.00 174.00
1973 0.00 0.00 0.00 0.00 0.50 23.50 113.50 97.00 12.00 0.00 0.00 0.00 246.50
1974 0.00 0.00 0.00 0.00 0.00 79.50 82.50 42.00 0.00 0.00 0.00 0.00 204.00
1975 0.00 0.00 0.00 0.00 0.00 0.00 167.50 28.50 0.00 0.00 0.00 0.00 196.00
1976 0.00 0.00 0.00 0.00 0.00 14.00 54.50 41.50 3.00 0.00 0.00 0.00 113.00
1977 0.00 0.00 0.00 1.50 0.00 16.00 45.00 57.00 0.00 0.00 0.00 0.00 119.50
1978 0.00 0.00 0.00 0.00 0.00 8.00 48.00 37.00 5.00 0.00 0.00 0.00 98.00
1979 0.00 0.00 0.00 0.00 0.00 17.00 134.00 90.50 1.50 0.00 0.00 0.00 243.00
1980 0.00 0.00 0.00 0.00 6.00 0.00 39.00 11.50 0.00 0.00 0.00 0.00 56.50
1981 0.00 0.00 0.00 0.00 0.00 0.00 27.50 129.00 1.50 0.00 0.00 0.00 158.00
1982 0.00 0.00 0.00 0.00 0.00 19.00 30.00 34.50 0.00 0.00 0.00 0.00 83.50
1983 0.00 0.00 0.00 0.00 3.00 3.50 15.50 77.50 4.00 0.00 0.00 0.00 103.50
1984 0.00 0.00 0.00 0.00 0.00 7.00 74.00 72.50 4.50 0.00 0.00 0.00 158.00
1985 0.00 0.00 0.00 0.00 5.50 8.50 114.50 10.50 0.00 0.00 0.00 0.00 139.00
1986 0.00 0.00 0.00 0.00 47.00 48.50 8.50 102.00 0.00 0.00 0.00 0.00 206.00
1987 0.00 0.00 0.00 0.00 0.00 41.00 79.00 16.50 2.00 0.00 0.00 0.00 138.50
1988 0.00 0.00 0.00 0.00 0.00 52.50 68.00 49.50 23.00 0.00 0.00 0.00 193.00
1989 0.00 0.00 0.00 0.00 0.00 11.50 113.00 49.50 0.00 0.00 0.00 0.00 174.00
1990 0.00 0.00 0.00 0.00 0.00 23.00 94.50 88.50 8.00 0.00 0.00 0.00 214.00
1991 0.00 0.00 0.00 0.00 0.00 0.00 38.00 81.50 0.00 0.00 0.00 0.00 119.50
1992 0.00 0.00 0.00 0.00 0.00 54.50 14.50 81.50 0.00 0.00 0.00 0.00 150.50
1993 0.00 0.00 0.00 0.00 21.50 2.00 4.00 9.50 0.00 0.00 0.00 0.00 37.00
1994 0.00 0.00 0.00 0.00 0.00 4.00 95.50 99.00 0.00 0.00 0.00 0.00 198.50
1995 0.00 0.00 0.00 a 0.00 0.00 0.00 22.00 12.00 7.00 0.00 0.00 0.00 41.00
1996 0.00 0.00 0.00 0.00 0.00 8.00 62.00 24.00 0.00 0.00 0.00 0.00 94.00
1997 0.00 0.00 0.00 0.00 0.00 0.00 16.50 53.00 6.00 0.00 0.00 0.00 75.50
1998 0.00 0.00 0.00 0.00 0.00 1.50 115.50 71.50 27.50 0.00 0.00 0.00 216.00
1999 0.00 0.00 0.00 0.00 3.00 7.50 24.00 96.50 0.00 0.00 0.00 a 0.00 131.00
2000 0.00 0.00 0.00 0.00 0.00 4.00 58.00 63.00 0.00 0.00 0.00 0.00 125.00
2001 0.00 0.00 0.00 0.00 7.50 2.50 32.50 62.00 6.50 0.00 0.00 0.00 111.00
2002 0.00 0.00 0.00 0.00 3.00 19.00 127.00 7.50 0.00 0.00 0.00 0.00 156.50
2003 0.00 0.00 0.00 0.00 5.00 29.00 146.00 102.50 11.00 0.00 0.00 0.00 293.50
2004 0.00 0.00 0.00 0.00 0.00 17.50 98.50 86.50 0.00 0.00 0.00 0.00 202.50
2005 0.00 0.00 0.00 0.00 0.00 4.50 32.00 41.00 1.00 0.00 0.00 0.00 78.50
2006 0.00 a 0.00 0.00 0.00 4.50 24.83 a 43.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 29.33
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.01 2.74 16.21 76.06 54.12 4.17 0.00 0.00 0.00 154.11
S.D. 0.00 0.00 0.00 0.15 8.08 17.60 40.86 35.16 7.66 0.00 0.00 0.00 67.58
SKEW 0.00 0.00 0.00 10.20 4.45 1.34 0.41 0.61 3.06 0.00 0.00 0.00 0.67
MAX 0.00 0.00 0.00 1.50 51.00 79.50 191.50 149.50 49.50 0.00 0.00 0.00 390.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 4.00 0.50 0.00 0.00 0.00 0.00 37.00
NO YRS 107 107 107 107 108 108 107 107 107 107 107 107 106