CROOKSTON NW EXP STN, MINNESOTA

Monthly Total Cooling Degree Days

(211891)

Base Temperature = 65 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1890 0.00 0.00 0.00 0.00 11.00 166.50 190.50 86.00 8.50 0.00 0.00 0.00 462.50
1891 0.00 0.00 0.00 7.00 21.50 87.00 64.00 130.50 58.50 0.00 0.00 0.00 a 368.50
1892 0.00 0.00 0.00 0.00 0.00 61.50 185.00 165.50 45.50 6.50 0.00 0.00 464.00
1893 0.00 0.00 z 0.00 0.00 b 0.00 158.40 e 157.58 a 78.00 41.00 0.00 0.00 e 0.00 434.98
1894 0.00 0.00 a 0.00 0.00 5.17 a 191.50 283.00 107.50 38.50 0.00 p 0.00 a 0.00 b 625.67
1895 0.00 0.00 0.00 0.00 12.50 28.50 93.00 58.50 13.50 0.00 0.00 0.00 206.00
1896 0.00 0.00 0.00 0.50 39.50 107.00 111.00 71.82 a 4.00 0.00 0.00 0.00 333.82
1897 0.00 0.00 0.00 1.00 13.50 74.50 171.00 30.50 86.90 a 9.00 0.00 0.00 a 386.40
1898 0.00 0.00 0.00 0.00 12.50 45.00 125.50 50.50 26.50 0.00 0.00 0.00 260.00
1899 0.00 0.00 0.00 0.00 0.00 47.00 110.00 72.00 8.00 0.00 0.00 0.00 237.00
1900 0.00 0.00 0.00 h 8.50 34.50 133.50 83.50 215.00 29.00 0.00 a 0.00 a 0.00 504.00
1901 0.00 0.00 0.00 a 1.00 30.50 62.50 206.50 101.00 30.50 0.00 0.00 0.00 432.00
1902 0.00 0.00 0.00 0.00 34.00 20.00 132.00 53.00 0.00 0.00 0.00 0.00 239.00
1903 0.00 0.00 0.00 j 0.00 25.50 52.00 96.00 44.50 0.00 0.00 0.00 0.00 218.00
1904 0.00 0.00 0.00 0.00 5.50 52.50 40.00 22.00 1.00 0.00 0.00 0.00 a 121.00
1905 0.00 0.00 a 0.00 0.00 4.13 a 20.50 95.00 98.00 19.50 0.00 0.00 0.00 237.13
1906 0.00 0.00 0.00 0.00 7.00 38.50 124.00 121.50 59.50 2.00 0.00 0.00 a 352.50
1907 0.00 0.00 a 0.00 a 0.00 0.00 69.50 91.50 61.00 0.00 0.00 0.00 0.00 222.00
1908 0.00 0.00 0.00 0.00 0.00 64.50 180.50 56.00 79.00 0.00 0.00 0.00 380.00
1909 0.00 a 0.00 0.00 0.00 2.00 76.50 133.50 162.00 17.00 11.00 0.00 0.00 a 402.00
1910 0.00 0.00 0.00 0.00 a 0.50 249.00 187.00 66.00 2.50 1.50 0.00 0.00 506.50
1911 0.00 0.00 0.00 0.50 19.50 147.00 107.50 55.00 3.00 0.00 0.00 0.00 332.50
1912 0.00 0.00 0.00 0.00 8.50 103.00 147.00 23.50 33.00 0.00 a 0.00 0.00 a 315.00
1913 0.00 0.00 0.00 a 4.00 21.50 153.00 87.00 130.00 39.00 0.00 0.00 0.00 434.50
1914 0.00 0.00 a 0.00 0.00 a 22.50 47.50 266.50 74.00 32.00 18.50 0.00 0.00 b 461.00
1915 0.00 0.00 0.00 0.00 0.00 25.50 63.00 86.50 51.50 0.00 0.00 0.00 226.50
1916 0.00 0.00 0.00 0.00 5.68 a 13.50 332.50 127.00 20.00 0.00 a 0.00 0.00 498.68
1917 0.00 a 0.00 0.00 0.00 11.00 38.00 188.07 a 75.50 19.00 0.00 0.00 0.00 331.57
1918 0.00 d 0.00 a 0.00 0.00 a 7.00 52.50 79.00 102.50 0.00 0.00 0.00 0.00 l 241.00
1919 0.00 0.00 a 0.00 0.00 58.90 a 176.00 210.00 105.50 18.50 0.00 0.00 0.00 568.90
1920 0.00 0.00 0.00 0.00 2.00 86.00 154.00 161.50 25.00 3.50 0.00 0.00 432.00
1921 0.00 0.00 0.00 0.00 z 29.00 211.00 271.50 122.45 a 32.50 0.00 0.00 a 0.00 a 666.45
1922 0.00 0.00 0.00 0.00 50.00 81.00 137.00 195.00 47.50 4.00 0.00 0.00 514.50
1923 0.00 c 0.00 b 0.00 a 0.00 42.00 177.22 c 232.50 46.50 31.55 a 0.00 b 0.00 0.00 a 529.77
1924 0.00 0.00 c 0.00 a 0.00 0.00 19.00 80.00 76.98 a 5.17 a 0.00 a 0.00 0.00 c 181.16
1925 0.00 0.00 c 0.00 a 0.00 48.00 51.21 a 129.00 165.50 48.10 a 0.00 0.00 0.00 a 441.81
1926 0.00 d 0.00 b 0.00 2.50 51.00 27.00 155.00 98.50 29.50 0.00 0.00 a 0.00 363.50
1927 0.00 0.00 0.00 0.00 a 0.00 72.00 80.50 56.32 a 97.76 a 0.00 a 0.00 0.00 b 306.58
1928 0.00 a 0.00 0.00 0.00 41.50 16.50 132.50 106.00 6.00 2.00 0.00 b 0.00 304.50
1929 0.00 0.00 0.00 0.00 a 29.50 69.00 186.50 128.50 44.00 0.00 0.00 0.00 457.50
1930 0.00 0.00 0.00 0.00 25.00 67.76 a 228.50 206.00 34.50 0.00 0.00 0.00 a 561.76
1931 0.00 0.00 0.00 0.00 19.63 a 149.00 204.00 142.50 96.00 0.00 0.00 a 0.00 611.13
1932 0.00 0.00 0.00 0.00 35.13 a 133.50 237.67 a 172.50 12.00 0.00 0.00 0.00 590.80
1933 0.00 0.00 0.00 0.00 17.00 217.00 225.00 158.62 a 37.00 0.00 0.00 0.00 654.62
1934 0.00 0.00 0.00 6.50 109.50 49.00 182.00 151.00 14.50 2.50 0.00 a 0.00 515.00
1935 0.00 0.00 0.00 0.00 0.00 27.00 295.53 a 143.63 a 13.00 0.00 a 0.00 0.00 479.17
1936 0.00 a 0.00 0.00 0.00 60.00 90.00 429.00 180.00 69.00 0.00 0.00 a 0.00 828.00
1937 0.00 0.00 a 0.00 a 0.00 24.00 68.28 a 178.00 252.50 51.50 6.00 0.00 a 0.00 580.28
1938 0.00 0.00 0.00 0.00 0.00 67.00 134.00 196.00 33.50 13.00 0.00 0.00 443.50
1939 0.00 a 0.00 0.00 0.00 74.40 a 83.50 250.00 206.00 67.00 0.00 b 0.00 0.00 b 680.90
1940 0.00 0.00 0.00 0.00 10.00 37.00 189.50 121.50 91.55 a 1.00 0.00 0.00 450.55
1941 0.00 0.00 0.00 2.00 43.00 137.50 229.00 124.52 a 42.50 0.00 0.00 0.00 578.52
1942 0.00 0.00 0.00 b 2.50 1.50 23.50 99.50 86.00 22.50 2.00 0.00 0.00 237.50
1943 0.00 0.00 0.00 0.00 1.50 72.50 218.00 108.00 7.00 6.50 0.00 0.00 413.50
1944 0.00 0.00 0.00 0.00 b 43.00 67.00 119.50 108.50 0.00 0.00 0.00 0.00 338.00
1945 0.00 0.00 0.00 0.00 0.00 33.00 112.00 85.50 36.00 0.00 0.00 0.00 a 266.50
1946 0.00 0.00 0.00 0.00 19.63 a 55.00 178.00 90.50 27.50 0.00 0.00 0.00 370.63
1947 0.00 0.00 0.00 0.00 1.00 20.00 185.00 201.00 43.50 2.50 0.00 0.00 453.00
1948 0.00 0.00 0.00 0.00 a 19.50 39.00 152.00 115.50 54.50 0.00 0.00 a 0.00 a 380.50
1949 0.00 0.00 0.00 6.21 a 16.50 73.50 158.50 217.50 9.00 0.00 a 0.00 0.00 481.21
1950 0.00 0.00 0.00 0.00 a 8.00 51.50 93.00 57.50 19.50 0.00 0.00 0.00 229.50
1951 0.00 0.00 0.00 0.00 a 12.00 26.00 144.00 48.00 3.50 1.00 0.00 0.00 234.50
1952 0.00 0.00 a 0.00 22.50 26.50 69.00 123.00 93.50 66.00 0.00 0.00 0.00 400.50
1953 0.00 0.00 0.00 0.00 14.50 70.00 115.00 185.50 26.50 12.00 0.00 0.00 423.50
1954 0.00 0.00 0.00 0.00 5.50 60.50 187.11 c 68.50 12.00 0.00 0.00 0.00 a 333.61
1955 0.00 0.00 0.00 0.00 35.13 a 57.41 a 226.00 197.50 28.00 2.50 0.00 0.00 546.55
1956 0.00 0.00 0.00 0.00 3.62 a 159.50 72.00 98.00 4.50 10.50 0.00 0.00 348.12
1957 0.00 0.00 0.00 0.00 9.50 6.00 276.00 142.08 a 12.00 0.00 0.00 0.00 a 445.58
1958 0.00 0.00 0.00 0.00 34.00 27.41 a 104.00 158.00 27.00 0.00 0.00 0.00 a 350.41
1959 0.00 0.00 0.00 0.00 37.00 123.00 186.50 180.00 28.00 0.00 0.00 0.00 554.50
1960 0.00 0.00 0.00 0.00 12.00 44.50 188.50 190.50 64.50 0.00 0.00 0.00 500.00
1961 0.00 0.00 0.00 0.00 12.00 128.50 126.00 231.00 33.00 1.50 0.00 0.00 532.00
1962 0.00 0.00 0.00 0.00 2.50 78.50 102.00 165.00 5.00 9.00 0.00 0.00 362.00
1963 0.00 0.00 0.00 b 0.00 9.00 173.00 219.50 175.00 41.00 18.50 0.00 0.00 636.00
1964 0.00 0.00 0.00 a 0.00 41.50 58.50 197.00 81.12 a 44.00 0.00 b 0.00 0.00 422.12
1965 0.00 0.00 b 0.00 0.00 0.00 35.00 125.00 124.00 0.00 0.00 0.00 0.00 284.00
1966 0.00 0.00 0.00 a 0.00 c 11.50 119.00 230.00 122.50 52.00 0.00 0.00 0.00 535.00
1967 0.00 0.00 0.00 0.00 28.00 38.00 146.00 129.50 44.50 5.00 0.00 0.00 391.00
1968 0.00 0.00 0.00 0.00 1.50 42.00 152.00 109.50 34.00 3.00 0.00 0.00 342.00
1969 0.00 0.00 0.00 0.00 50.00 4.00 141.50 279.50 51.50 0.00 0.00 0.00 526.50
1970 0.00 0.00 0.00 0.00 1.00 165.50 254.00 180.50 89.00 1.00 0.00 0.00 691.00
1971 0.00 0.00 0.00 0.00 7.00 107.00 85.00 169.50 58.00 0.00 0.00 0.00 426.50
1972 0.00 0.00 0.00 0.00 78.50 115.00 98.00 209.50 16.00 0.00 0.00 0.00 517.00
1973 0.00 0.00 0.00 0.00 1.50 110.00 140.02 a 237.50 11.00 0.00 0.00 0.00 500.02
1974 0.00 0.00 0.00 4.00 0.50 90.00 280.00 88.00 6.00 0.00 0.00 0.00 468.50
1975 0.00 0.00 0.00 0.00 18.50 74.50 257.50 117.00 5.00 18.00 0.00 0.00 a 490.50
1976 0.00 0.00 0.00 0.00 9.50 139.00 185.50 235.00 87.50 2.50 0.00 0.00 a 659.00
1977 0.00 0.00 0.00 1.00 115.45 b 52.50 201.00 10.50 2.50 0.00 0.00 0.00 z 382.95
1978 0.00 z 0.00 0.00 0.00 39.00 81.50 160.50 172.50 132.50 0.00 0.00 0.00 b 586.00
1979 0.00 0.00 0.00 0.00 12.50 79.50 176.50 68.50 50.50 0.00 0.00 0.00 387.50
1980 0.00 0.00 0.00 19.50 106.00 84.00 213.00 84.50 37.50 0.50 0.00 0.00 545.00
1981 0.00 0.00 0.00 0.00 11.00 24.00 168.00 162.00 30.50 0.00 0.00 0.00 395.50
1982 0.00 0.00 0.00 0.00 6.50 16.00 134.00 122.50 26.50 0.00 0.00 0.00 305.50
1983 0.00 0.00 0.00 0.00 0.00 86.50 267.00 242.00 58.50 0.00 0.00 0.00 654.00
1984 0.00 0.00 0.00 0.00 15.00 58.00 162.00 205.50 7.50 2.07 a 0.00 0.00 450.07
1985 0.00 0.00 0.00 3.50 20.00 29.50 83.50 51.50 0.52 a 0.00 0.00 0.00 188.52
1986 0.00 0.00 a 0.00 0.00 58.50 89.50 157.00 72.00 0.50 0.00 0.00 0.00 377.50
1987 0.00 0.00 0.00 a 3.62 a 39.30 c 123.00 254.00 80.50 10.34 a 0.00 0.00 c 0.00 a 510.77
1988 0.00 0.00 0.00 a 1.07 b 88.72 b 224.50 258.00 196.00 8.00 0.00 0.00 0.00 776.30
1989 0.00 0.00 0.00 0.00 27.00 58.00 262.00 177.50 20.00 4.50 0.00 0.00 549.00
1990 0.00 0.00 0.00 22.50 4.00 88.00 116.50 162.00 50.00 0.00 0.00 0.00 443.00
1991 0.00 0.00 0.00 0.00 82.00 122.50 138.00 190.50 32.50 0.00 0.00 0.00 565.50
1992 0.00 0.00 0.00 0.00 60.50 42.00 17.00 50.00 6.00 1.00 0.00 0.00 176.50
1993 0.00 0.00 0.00 0.00 18.00 48.00 61.00 95.50 1.50 0.00 0.00 0.00 224.00
1994 0.00 0.00 0.00 0.00 39.00 73.50 60.50 82.50 37.00 0.00 0.00 0.00 292.50
1995 0.00 0.00 0.00 0.00 6.50 214.00 117.00 139.50 38.50 0.00 0.00 0.00 515.50
1996 0.00 0.00 0.00 0.00 4.50 146.50 83.00 144.50 55.00 0.00 0.00 0.00 433.50
1997 0.00 0.00 0.00 0.00 0.00 87.50 161.00 101.50 25.50 3.00 0.00 0.00 378.50
1998 0.00 0.00 0.00 0.00 23.50 50.00 171.50 167.50 56.00 0.00 0.00 0.00 468.50
1999 0.00 0.00 0.00 0.00 20.50 88.50 184.50 84.00 10.50 0.00 0.00 0.00 388.00
2000 0.00 0.00 0.00 0.00 7.50 47.50 173.50 138.00 8.00 0.00 0.00 0.00 374.50
2001 0.00 0.00 0.00 1.00 15.00 93.50 189.50 184.00 41.50 0.00 0.00 0.00 524.50
2002 0.00 0.00 0.00 0.00 21.00 138.00 235.00 101.50 77.00 0.00 0.00 0.00 572.50
2003 0.00 0.00 0.00 0.00 5.50 56.50 140.50 226.50 51.00 8.50 0.00 0.00 488.50
2004 0.00 0.00 0.00 0.00 0.50 25.00 124.00 16.00 42.00 0.00 0.00 0.00 207.50
2005 0.00 0.00 0.00 2.00 8.50 92.00 184.50 101.00 29.00 4.00 0.00 0.00 421.00
2006 0.00 0.00 0.00 0.00 46.50 89.50 257.00 116.00 30.50 0.00 0.00 0.00 539.50
2007 0.00 0.00 0.00 0.00 20.50 130.50 202.00 85.50 50.00 0.00 0.00 0.00 488.50
2008 0.00 0.00 0.00 0.00 1.00 28.00 121.50 108.00 0.00 z 0.00 0.00 0.00 258.50
2009 0.00 0.00 0.00 z 0.00 z 0.00 66.00 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 66.00
2010 0.00 0.00 0.00 0.00 35.00 2.50 n 186.50 141.50 i 0.50 1.00 0.00 0.00 223.00
2011 0.00 0.00 0.00 0.00 0.50 47.50 0.00 z 140.50 28.50 37.50 0.00 0.00 254.50
2012 0.00 0.00 1.00 0.00 24.00 105.00 303.00 108.00 41.00 1.00 0.00 0.00 583.00
2013 0.00 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
Period of Record Statistics
MEAN 0.00 0.00 0.01 1.02 21.79 81.48 165.96 124.93 32.07 1.96 0.00 0.00 428.83
S.D. 0.00 0.00 0.09 3.60 24.18 52.11 67.85 57.91 25.73 4.98 0.00 0.00 135.09
SKEW 0.00 0.00 10.82 4.86 1.73 1.01 0.62 0.32 1.00 4.19 0.00 0.00 0.14
MAX 0.00 0.00 1.00 22.50 115.45 249.00 429.00 279.50 132.50 37.50 0.00 0.00 828.00
MIN 0.00 0.00 0.00 0.00 0.00 4.00 17.00 10.50 0.00 0.00 0.00 0.00 121.00
NO YRS 123 123 120 121 123 122 121 121 121 122 123 121 111