AITKIN, MINNESOTA

Monthly Total Cooling Degree Days

(210059)

Base Temperature = 65 F

File last updated on Apr 6, 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1949 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
1950 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
1951 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
1952 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
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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 n 0.00 0.00 0.00
1959 0.00 b 0.00 0.00 0.00 25.50 101.50 168.00 120.00 g 22.24 a 0.00 a 0.00 0.00 317.24
1960 0.00 0.00 0.00 0.00 1.00 26.00 126.50 g 141.29 e 71.50 0.00 0.00 0.00 239.79
1961 0.00 0.00 0.00 0.00 3.00 91.00 105.50 164.30 a 57.50 0.00 0.00 0.00 421.30
1962 0.00 b 0.00 0.00 0.00 5.50 40.50 49.00 35.00 l 0.00 g 0.00 a 0.00 a 0.00 a 95.00
1963 0.00 h 0.00 0.00 a 0.00 7.00 114.83 a 92.00 k 89.00 5.50 2.50 0.00 0.00 218.83
1964 0.00 0.00 0.00 0.00 30.50 26.50 f 0.00 z 0.00 z 0.00 j 0.00 0.00 a 0.00 30.50
1965 0.00 0.00 0.00 0.00 0.00 12.50 77.50 b 85.50 1.50 0.00 0.00 0.00 177.00
1966 0.00 a 0.00 0.00 a 0.00 6.00 103.39 b 112.00 j 48.50 h 22.00 f 0.00 j 0.00 l 0.00 b 109.39
1967 0.00 0.00 0.00 d 0.00 b 1.03 a 27.50 g 88.50 j 80.27 c 12.86 b 1.00 f 0.00 g 0.00 h 94.16
1968 0.00 b 0.00 a 0.00 g 0.00 c 0.00 i 27.50 i 65.00 j 71.50 g 11.00 g 11.07 c 0.00 z 0.00 z 11.07
1969 0.00 z 0.00 k 0.00 b 0.00 a 21.00 f 0.00 z 70.00 l 54.50 r 25.50 h 0.00 f 0.00 d 0.00 f 0.00
1970 0.00 e 0.00 c 0.00 d 0.00 4.28 b 102.93 a 214.23 c 82.50 l 37.50 g 0.00 m 0.00 e 0.00 h 321.44
1971 0.00 j 0.00 c 0.00 c 0.00 b 0.00 b 126.60 e 44.20 d 26.50 p 18.89 c 21.00 0.00 0.00 210.69
1972 0.00 e 0.00 f 0.00 c 0.00 50.00 41.50 84.50 114.50 0.50 0.00 0.00 e 0.00 291.00
1973 0.00 d 0.00 0.00 a 0.00 e 0.00 47.00 112.50 141.00 31.50 1.00 0.00 a 0.00 333.00
1974 0.00 0.00 0.00 d 0.00 a 0.00 d 44.00 202.00 48.50 0.00 a 0.50 0.00 0.00 295.00
1975 0.00 0.00 n 0.00 z 0.00 e 26.00 f 94.80 e 244.00 91.34 c 2.50 1.50 0.00 0.00 434.14
1976 0.00 0.00 0.00 2.50 0.00 f 98.00 156.60 b 158.50 43.50 0.00 b 0.00 0.00 b 459.10
1977 0.00 h 0.00 0.00 b 1.55 a 82.67 a 65.69 a 172.57 a 9.50 4.00 0.00 0.00 i 0.00 s 335.97
1978 0.00 0.00 0.00 0.00 f 30.40 e 57.12 d 103.85 a 112.00 86.38 a 0.00 0.00 0.00 a 389.75
1979 0.00 0.00 0.00 b 0.00 4.43 c 37.50 119.41 d 44.90 b 23.00 q 0.00 z 0.00 z 0.00 z 206.23
1980 0.00 z 0.00 z 0.00 z 9.50 t 32.50 47.50 152.50 74.63 d 14.00 0.00 a 0.00 c 0.00 321.13
1981 0.00 k 0.00 a 0.00 a 0.00 h 1.50 12.69 d 120.38 a 74.73 c 5.69 a 0.00 b 0.00 0.00 d 215.00
1982 0.00 0.00 l 0.00 z 0.00 4.00 0.00 130.00 83.00 13.50 0.00 0.00 0.00 i 230.50
1983 0.00 g 0.00 e 0.00 h 0.00 a 0.00 e 34.50 f 134.00 l 152.00 i 15.50 k 0.00 0.00 j 0.00 a 0.00
1984 0.00 l 0.00 i 0.00 j 0.00 1.00 j 25.50 j 69.00 j 165.00 2.50 3.00 0.00 0.00 170.50
1985 0.00 0.00 0.00 0.00 a 8.00 25.00 101.00 45.50 18.00 0.00 0.00 0.00 197.50
1986 0.00 0.00 0.00 0.00 27.50 66.50 166.00 43.50 8.50 0.00 0.00 0.00 312.00
1987 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 a 0.00
1988 0.00 a 0.00 b 0.00 0.00 42.00 111.00 203.00 118.32 a 2.07 a 0.00 a 0.00 a 0.00 476.39
1989 0.00 a 0.00 c 0.00 a 0.00 a 4.65 a 35.50 169.50 100.50 6.00 4.50 0.00 0.00 b 320.65
1990 0.00 0.00 0.00 17.00 0.00 70.00 94.50 78.50 0.00 z 0.00 0.00 0.00 260.00
1991 0.00 0.00 0.00 0.00 z 0.00 z 65.00 90.50 135.00 13.50 0.00 0.00 0.00 304.00
1992 0.00 0.00 0.00 0.00 19.00 25.50 8.00 39.00 1.00 0.00 0.00 0.00 92.50
1993 0.00 0.00 0.00 0.00 1.50 39.50 52.50 73.50 0.00 0.00 0.00 0.00 167.00
1994 0.00 0.00 0.00 0.00 12.00 57.50 41.00 37.50 22.50 0.00 0.00 0.00 170.50
1995 0.00 0.00 0.00 0.00 2.00 140.00 77.50 67.00 18.00 2.50 0.00 0.00 307.00
1996 0.00 0.00 0.00 0.00 2.50 59.50 40.50 54.00 18.00 0.00 0.00 0.00 174.50
1997 0.00 0.00 0.00 0.00 0.00 84.00 104.50 33.00 6.00 0.00 0.00 0.00 227.50
1998 0.00 0.00 0.00 0.00 26.50 41.00 72.50 65.50 18.50 0.00 0.00 0.00 224.00
1999 0.00 0.00 0.00 0.00 4.00 56.00 240.00 44.00 17.00 0.00 0.00 0.00 361.00
2000 0.00 0.00 0.00 z 0.00 15.50 16.50 0.00 z 70.50 7.50 0.00 0.00 0.00 110.00
2001 0.00 0.00 0.00 3.00 1.00 70.00 160.50 132.50 0.00 z 0.00 0.00 0.00 367.00
2002 0.00 0.00 0.00 3.00 7.50 85.00 173.00 24.50 47.00 0.00 0.00 0.00 340.00
2003 0.00 0.00 0.00 0.00 3.50 14.50 71.00 0.00 z 21.00 1.50 0.00 0.00 111.50
2004 0.00 0.00 0.00 0.00 0.00 17.50 87.00 18.50 36.50 0.00 0.00 0.00 159.50
2005 0.00 0.00 0.00 z 0.00 1.00 66.00 175.50 88.50 22.50 0.00 0.00 0.00 353.50
2006 0.00 z 0.00 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
2007 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
2008 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 0.00
2009 0.00 0.00 0.00 0.00 8.50 38.50 0.00 z 27.00 26.50 0.00 0.00 0.00 100.50
2010 0.00 0.00 0.00 0.00 25.00 36.00 110.50 f 140.50 g 3.00 1.50 0.00 0.00 65.50
2011 0.00 0.00 0.00 0.00 0.00 52.00 q 0.00 z 120.79 b 36.00 11.00 0.00 a 0.00 167.79
2012 0.00 0.00 0.00 l 0.00 z 1.50 68.00 h 183.00 j 9.50 q 2.50 q 0.00 j 0.00 0.00 1.50
2013 0.00 x 0.00 0.00 w 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 0.60 11.42 59.17 121.80 81.45 19.05 1.37 0.00 0.00 264.24
S.D. 0.00 0.00 0.00 2.61 16.84 34.47 59.89 42.68 19.93 3.84 0.00 0.00 102.77
SKEW 0.00 0.00 0.00 5.75 2.26 0.44 0.25 0.35 1.65 3.77 0.00 0.00 0.32
MAX 0.00 0.00 0.00 17.00 82.67 140.00 244.00 165.00 86.38 21.00 0.00 0.00 476.39
MIN 0.00 0.00 0.00 0.00 0.00 0.00 8.00 9.50 0.00 0.00 0.00 0.00 92.50
NO YRS 42 46 41 45 44 42 36 38 39 45 47 46 18