ITASCA UNIV OF MINN, MINNESOTA

Monthly Total Cooling Degree Days

(214106)

Base Temperature = 65 F

File last updated on Apr 6, 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 48.22 d 153.21 b 116.25 a 47.00 3.00 0.00 0.00 0.00 367.69
1912 0.00 0.00 0.00 0.00 0.00 58.00 121.50 43.00 h 59.48 a 3.00 0.00 0.00 z 241.98
1913 0.00 0.00 0.00 5.50 15.50 108.00 42.50 82.50 24.50 4.00 0.00 0.00 282.50
1914 0.00 0.00 0.00 0.00 25.00 36.00 81.00 20.67 a 12.50 6.50 0.00 0.00 181.67
1915 0.00 a 0.00 0.00 0.50 0.00 5.50 18.00 1.50 25.50 0.00 0.00 0.00 51.00
1916 0.00 0.00 0.00 0.00 0.00 0.00 a 222.37 e 74.50 6.35 d 0.00 0.00 0.00 303.21
1917 0.00 0.00 0.00 a 0.00 a 3.00 21.50 197.00 46.00 8.00 0.00 c 0.00 0.00 275.50
1918 0.00 0.00 0.00 0.00 21.00 27.00 60.50 56.50 0.00 0.00 0.00 0.00 165.00
1919 0.00 0.00 0.00 a 0.00 33.00 122.00 162.00 22.50 13.50 0.00 0.00 k 0.00 h 353.00
1920 0.00 z 0.00 0.00 0.00 a 0.00 a 37.50 58.90 a 70.00 27.00 8.50 0.00 0.00 e 201.90
1921 0.00 k 0.00 0.00 0.00 25.00 176.50 186.50 76.50 0.00 c 0.00 0.00 0.00 464.50
1922 0.00 0.00 0.00 0.00 a 13.00 60.60 e 60.00 155.00 41.50 1.00 0.00 0.00 331.10
1923 0.00 0.00 0.00 0.00 20.00 102.50 173.94 d 31.50 19.50 1.50 0.00 a 0.00 348.94
1924 0.00 0.00 0.00 z 0.00 0.00 0.00 33.50 7.00 0.00 0.00 z 0.00 z 0.00 z 40.50
1925 0.00 z 0.00 z 0.00 z 0.00 a 30.50 16.00 29.00 28.50 4.00 l 0.00 0.00 0.00 104.00
1926 0.00 0.00 0.00 0.00 23.50 20.17 a 113.50 46.50 1.00 0.00 0.00 c 0.00 204.67
1927 0.00 e 0.00 0.00 0.00 0.00 48.00 27.50 21.50 24.50 0.00 f 0.00 0.00 121.50
1928 0.00 0.00 0.00 0.00 z 15.00 m 1.50 48.64 b 69.00 0.00 0.00 0.00 0.00 119.14
1929 0.00 0.00 0.00 0.00 12.40 a 38.50 115.00 68.50 40.86 a 0.00 b 0.00 a 0.00 275.26
1930 0.00 0.00 0.00 a 0.00 a 10.50 26.50 148.00 124.00 21.00 5.50 0.00 0.00 a 335.50
1931 0.00 0.00 0.00 0.00 13.50 119.00 141.50 57.00 66.00 0.00 0.00 0.00 397.00
1932 0.00 0.00 0.00 a 0.00 17.50 49.50 142.50 31.50 k 5.50 0.00 0.00 0.00 215.00
1933 0.00 0.00 0.00 0.00 8.50 156.21 a 172.00 69.00 14.00 0.00 0.00 0.00 419.71
1934 0.00 a 0.00 0.00 0.00 59.50 27.00 110.00 35.50 m 0.50 0.00 0.00 0.00 197.00
1935 0.00 0.00 0.00 0.00 0.00 9.00 222.50 105.00 11.50 0.00 0.00 0.00 348.00
1936 0.00 0.00 0.00 0.00 12.00 34.50 266.60 a 107.00 55.50 0.00 0.00 0.00 475.60
1937 0.00 0.00 0.00 0.00 a 11.37 a 37.00 153.50 174.50 18.50 0.00 0.00 0.00 394.87
1938 0.00 0.00 w 0.00 n 0.00 0.00 41.00 97.50 136.50 3.00 3.50 0.00 0.00 a 281.50
1939 0.00 0.00 0.00 0.00 51.00 38.00 151.50 100.00 46.00 0.00 0.00 0.00 386.50
1940 0.00 0.00 0.00 0.00 5.00 27.00 136.00 89.50 59.50 0.00 0.00 0.00 317.00
1941 0.00 0.00 0.00 0.50 30.00 98.50 187.00 97.50 39.50 0.00 0.00 0.00 453.00
1942 0.00 0.00 0.00 2.50 1.50 19.50 85.00 66.50 11.50 0.00 0.00 0.00 186.50
1943 0.00 0.00 0.00 0.00 2.00 69.00 181.50 89.50 8.00 1.00 0.00 0.00 351.00
1944 0.00 0.00 0.00 0.00 28.00 56.50 87.50 92.00 4.50 0.00 0.00 0.00 268.50
1945 0.00 0.00 0.00 0.00 0.00 32.00 93.50 58.00 30.50 0.00 0.00 0.00 214.00
1946 0.00 0.00 0.00 0.00 10.00 49.50 115.50 46.00 12.50 0.00 0.00 0.00 233.50
1947 0.00 0.00 0.00 0.00 0.00 11.00 142.00 185.50 36.50 3.50 0.00 0.00 378.50
1948 0.00 0.00 0.00 0.00 11.00 26.50 104.00 74.00 32.00 l 0.00 c 0.00 0.00 215.50
1949 0.00 0.00 0.00 0.00 16.00 69.50 121.00 141.50 0.00 0.00 0.00 0.00 a 348.00
1950 0.00 0.00 0.00 0.00 5.00 46.00 47.00 43.63 d 1.00 0.00 0.00 0.00 142.63
1951 0.00 0.00 0.00 0.00 a 0.00 3.00 75.50 14.50 0.00 a 2.00 0.00 0.00 a 95.00
1952 0.00 0.00 0.00 11.50 4.50 57.50 83.00 33.50 44.00 0.00 0.00 0.00 a 234.00
1953 0.00 0.00 0.00 0.00 1.50 61.50 81.50 111.50 14.00 13.50 0.00 0.00 a 283.50
1954 0.00 0.00 0.00 0.00 0.00 50.00 115.50 39.00 7.50 0.00 0.00 a 0.00 212.00
1955 0.00 0.00 0.00 0.00 32.00 43.97 a 198.00 170.00 28.50 1.50 0.00 0.00 473.97
1956 0.00 0.00 0.00 0.00 0.00 91.50 36.50 45.50 5.50 6.00 0.00 0.00 a 185.00
1957 0.00 0.00 0.00 1.50 0.00 2.50 199.95 a 72.50 10.50 0.00 a 0.00 0.00 286.95
1958 0.00 0.00 0.00 0.00 16.00 12.50 58.50 79.00 6.00 0.00 0.00 0.00 a 172.00
1959 0.00 0.00 0.00 0.00 a 21.50 80.50 124.00 126.50 13.00 0.00 0.00 0.00 a 365.50
1960 0.00 0.00 0.00 0.00 0.00 16.50 139.00 102.00 52.24 a 0.00 0.00 a 0.00 309.74
1961 0.00 0.00 0.00 0.00 7.00 103.00 86.50 170.50 41.50 0.00 0.00 0.00 408.50
1962 0.00 0.00 0.00 0.00 3.00 45.00 55.50 79.50 0.50 5.00 0.00 0.00 188.50
1963 0.00 0.00 0.00 0.00 3.00 106.00 135.50 74.50 3.50 7.50 0.00 0.00 330.00
1964 0.00 0.00 0.00 0.00 22.00 49.50 117.00 56.00 10.50 0.00 0.00 0.00 255.00
1965 0.00 0.00 0.00 0.00 2.00 15.00 69.50 74.50 0.00 0.00 0.00 0.00 161.00
1966 0.00 0.00 0.00 0.00 3.00 71.50 176.50 42.50 13.50 0.00 0.00 0.00 307.00
1967 0.00 0.00 0.00 0.00 0.50 17.00 96.50 79.05 a 7.00 0.00 0.00 0.00 200.05
1968 0.00 0.00 0.00 0.00 0.00 39.00 104.50 85.50 7.50 b 2.00 0.00 0.00 238.50
1969 0.00 0.00 0.00 0.00 a 26.00 6.00 100.50 176.50 28.00 0.00 0.00 0.00 a 337.00
1970 0.00 0.00 0.00 0.00 3.50 91.61 b 184.50 99.00 63.00 1.00 0.00 0.00 442.61
1971 0.00 0.00 0.00 0.00 3.44 d 81.50 43.00 81.63 a 37.50 0.00 0.00 0.00 a 247.08
1972 0.00 0.00 0.00 0.00 41.50 45.52 a 58.00 117.00 1.00 0.00 0.00 0.00 263.02
1973 0.00 0.00 0.00 0.00 0.00 62.50 90.00 161.00 21.50 0.00 0.00 0.00 335.00
1974 0.00 0.00 0.00 2.00 1.03 a 49.00 215.00 44.00 0.00 0.00 0.00 0.00 311.03
1975 0.00 0.00 0.00 0.00 18.00 69.50 209.00 75.00 1.50 0.00 0.00 0.00 373.00
1976 0.00 0.00 0.00 0.00 0.00 102.50 139.50 179.00 49.50 0.00 0.00 0.00 470.50
1977 0.00 b 0.00 0.00 4.00 81.00 45.50 167.50 8.50 0.00 0.00 0.00 0.00 306.50
1978 0.00 0.00 0.00 0.00 30.50 60.00 113.00 117.00 91.50 0.00 0.00 0.00 412.00
1979 0.00 0.00 0.00 0.00 8.00 40.50 115.00 46.50 32.00 0.00 0.00 0.00 242.00
1980 0.00 0.00 0.00 9.50 49.08 a 50.50 155.50 65.50 8.04 b 0.00 0.00 0.00 338.12
1981 0.00 0.00 0.00 0.00 5.68 a 20.00 138.00 90.00 12.50 0.00 0.00 b 0.00 266.18
1982 0.00 0.00 0.00 0.00 8.78 a 3.00 112.50 104.37 a 25.00 0.00 0.00 0.00 253.65
1983 0.00 b 0.00 0.00 0.00 0.00 61.03 a 194.50 152.00 47.59 a 0.00 0.00 0.00 455.12
1984 0.00 0.00 0.00 0.00 0.00 31.50 106.50 161.00 0.00 0.53 b 0.00 0.00 299.53
1985 0.00 0.00 0.00 1.55 a 3.50 5.00 68.00 28.00 0.00 a 0.00 0.00 a 0.00 106.05
1986 0.00 a 0.00 a 0.00 0.00 27.50 62.00 131.00 38.00 3.50 0.00 0.00 0.00 262.00
1987 0.00 0.00 0.00 2.50 21.00 108.50 178.50 70.00 1.50 0.00 0.00 0.00 382.00
1988 0.00 0.00 0.00 0.00 44.50 150.50 166.00 121.00 5.17 a 0.00 0.00 0.00 487.17
1989 0.00 0.00 0.00 0.00 9.50 35.50 178.50 112.50 3.50 5.50 0.00 0.00 345.00
1990 0.00 0.00 0.00 14.00 0.00 55.00 96.50 115.50 23.00 0.00 0.00 0.00 304.00
1991 0.00 0.00 0.00 0.00 46.00 75.50 76.00 138.50 11.50 0.00 0.00 0.00 347.50
1992 0.00 0.00 0.00 0.00 28.00 18.50 6.50 28.50 0.00 0.00 0.00 0.00 81.50
1993 0.00 0.00 0.00 0.00 1.00 32.50 32.00 64.00 0.00 0.00 0.00 0.00 129.50
1994 0.00 0.00 0.00 0.00 22.00 45.00 31.00 33.00 9.00 0.00 0.00 0.00 a 140.00
1995 0.00 0.00 0.00 0.00 2.50 160.00 84.00 96.50 22.50 0.00 0.00 0.00 365.50
1996 0.00 0.00 0.00 0.00 2.00 68.50 46.00 85.50 32.00 0.00 0.00 0.00 234.00
1997 0.00 0.00 0.00 0.00 0.00 53.00 102.50 53.00 13.00 1.50 0.00 0.00 223.00
1998 0.00 0.00 0.00 0.00 10.00 31.50 90.00 81.50 30.00 0.00 0.00 0.00 243.00
1999 0.00 0.00 0.00 0.00 a 6.72 a 57.93 a 143.50 51.67 a 6.00 0.00 b 0.00 0.00 265.81
2000 0.00 a 0.00 z 0.00 z 0.00 9.50 21.00 101.50 82.00 7.00 0.00 0.00 0.00 221.00
2001 0.00 0.00 0.00 a 1.00 6.00 81.00 154.48 a 155.00 a 21.50 0.00 0.00 0.00 418.98
2002 0.00 0.00 0.00 0.00 9.00 94.50 176.00 62.00 60.50 0.00 0.00 0.00 402.00
2003 0.00 z 0.00 0.00 z 0.00 z 0.50 37.50 101.50 161.00 30.50 2.00 0.00 0.00 333.00
2004 0.00 0.00 0.00 0.00 0.00 10.50 64.00 8.50 45.50 0.00 0.00 0.00 128.50
2005 0.00 0.00 0.00 0.00 3.00 70.00 163.50 73.00 28.00 0.00 0.00 0.00 337.50
2006 0.00 0.00 0.00 0.00 34.00 30.50 224.00 73.00 15.50 0.00 0.00 0.00 377.00
2007 0.00 0.00 0.00 0.00 6.00 97.50 151.50 54.00 28.00 0.00 0.00 0.00 337.00
2008 0.00 0.00 0.00 0.00 0.00 12.50 52.50 59.50 25.50 0.00 0.00 a 0.00 150.00
2009 0.00 0.00 z 0.00 z 0.00 z 0.00 24.50 g 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 a 0.00
2010 0.00 0.00 0.00 0.00 11.00 30.00 98.00 148.00 0.00 0.00 0.00 0.00 287.00
2011 0.00 0.00 0.00 0.00 0.00 c 18.10 a 178.00 54.50 i 20.00 12.50 0.00 a 0.00 a 228.60
2012 0.00 0.00 0.00 a 0.00 16.57 b 58.93 b 158.00 h 67.68 a 26.50 0.00 0.00 a 0.00 a 169.68
2013 0.00 0.00 0.00 h 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 0.58 12.62 52.29 117.63 82.23 19.24 0.99 0.00 0.00 291.44
S.D. 0.00 0.00 0.00 2.17 15.67 38.72 55.45 44.99 19.19 2.47 0.00 0.00 100.56
SKEW 0.00 0.00 0.00 4.69 1.71 1.08 0.20 0.51 1.19 3.18 0.00 0.00 -0.18
MAX 0.00 0.00 0.00 14.00 81.00 176.50 266.60 185.50 91.50 13.50 0.00 0.00 487.17
MIN 0.00 0.00 0.00 0.00 0.00 0.00 6.50 1.50 0.00 0.00 0.00 0.00 51.00
NO YRS 98 98 95 98 101 101 100 97 99 100 100 99 84