WINONA, MINNESOTA

Monthly Total Cooling Degree Days

(219067)

Base Temperature = 65 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201103
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
1893 0.00 0.00 0.00 0.00 8.27 a 237.50 331.50 192.50 118.00 12.00 0.00 0.00 e 899.77
1894 0.00 0.00 b 0.00 7.50 49.50 288.62 a 436.00 299.50 117.50 0.00 0.00 0.00 e 1198.62
1895 0.00 a 0.00 0.00 11.00 99.50 172.50 188.50 211.00 161.00 0.00 0.00 b 0.00 843.50
1896 0.00 0.00 0.00 5.50 90.00 139.50 218.00 206.50 12.00 0.00 0.00 0.00 671.50
1897 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
1898 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
1899 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
1900 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
1901 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
1902 0.00 0.00 0.00 3.50 63.00 70.00 218.50 82.50 2.50 0.00 0.00 0.00 a 440.00
1903 0.00 0.00 0.00 0.00 30.00 56.00 184.50 80.50 35.00 1.50 0.00 0.00 387.50
1904 0.00 a 0.00 a 0.00 0.00 26.00 56.50 122.00 96.50 27.50 1.50 0.00 0.00 330.00
1905 0.00 0.00 0.00 0.00 4.50 79.00 157.00 172.00 32.50 11.37 a 0.00 0.00 d 456.37
1906 0.00 0.00 b 0.00 4.00 26.00 96.43 b 173.71 b 220.50 86.50 0.00 0.00 0.00 a 607.14
1907 0.00 0.00 0.00 z 0.00 5.50 88.50 177.50 103.50 63.00 0.00 0.00 0.00 438.00
1908 0.00 0.00 0.00 7.50 44.50 133.00 276.00 0.00 z 212.50 14.50 0.00 0.00 688.00
1909 0.00 0.00 0.00 0.00 28.00 158.00 271.50 342.00 43.00 5.50 0.00 0.00 848.00
1910 0.00 0.00 7.50 14.00 4.50 262.50 369.50 213.50 32.00 18.00 0.00 0.00 921.50
1911 0.00 0.00 0.00 2.50 156.50 294.83 a 306.00 158.00 61.50 0.00 0.00 0.00 979.33
1912 0.00 0.00 0.00 0.50 54.50 97.50 275.00 155.00 145.00 8.50 0.00 0.00 736.00
1913 0.00 0.00 0.00 20.50 75.00 353.50 293.50 268.50 131.50 6.50 0.00 0.00 1149.00
1914 0.00 0.00 0.00 a 2.00 81.00 151.00 351.50 230.50 64.50 9.50 0.00 0.00 890.00
1915 0.00 0.00 0.00 46.00 15.50 53.50 132.50 86.50 46.00 0.00 0.00 0.00 380.00
1916 0.00 0.00 0.00 0.00 35.50 48.00 446.00 269.00 65.00 11.00 0.00 0.00 874.50
1917 0.00 0.00 0.00 0.00 22.00 62.00 250.00 98.50 22.00 0.00 0.00 0.00 454.50
1918 0.00 0.00 0.00 0.00 79.00 113.50 192.00 231.00 5.00 8.00 0.00 0.00 628.50
1919 0.00 0.00 0.00 0.00 a 43.00 219.00 319.00 159.50 109.14 a 13.00 0.00 0.00 862.64
1920 0.00 0.00 0.00 0.00 23.50 201.50 176.00 123.50 96.50 18.50 0.00 0.00 639.50
1921 0.00 0.00 3.00 18.50 100.75 a 283.50 389.00 201.50 88.00 0.00 0.00 0.00 a 1084.25
1922 0.00 0.00 0.00 0.00 59.50 175.50 153.50 248.00 146.00 41.00 0.00 0.00 823.50
1923 0.00 0.00 0.00 9.00 36.00 256.50 353.50 162.50 71.50 0.00 0.00 0.00 889.00
1924 0.00 0.00 0.00 0.00 0.00 67.50 162.50 146.50 8.50 17.50 0.00 0.00 402.50
1925 0.00 0.00 a 0.00 25.00 55.50 145.00 213.00 222.00 133.00 0.00 0.00 0.00 793.50
1926 0.00 0.00 0.00 6.00 76.00 61.50 266.00 194.50 71.00 0.00 0.00 0.00 675.00
1927 0.00 0.00 0.00 z 0.00 0.00 z 0.00 z 0.00 z 0.00 z 164.00 f 12.92 a 0.00 0.00 12.92
1928 0.00 0.00 0.00 0.00 d 70.00 60.00 259.37 a 238.00 33.00 22.50 0.00 0.00 682.87
1929 0.00 0.00 a 0.00 11.50 56.50 106.50 274.41 d 173.00 60.50 i 2.00 0.00 e 0.00 623.91
1930 0.00 b 0.00 0.00 8.50 0.00 z 122.50 0.00 z 0.00 z 0.00 z 21.50 0.00 0.00 a 152.50
1931 0.00 c 0.00 a 0.00 8.50 47.00 343.00 431.50 290.00 226.50 21.91 b 0.00 0.00 1368.41
1932 0.00 0.00 0.00 a 0.00 74.50 299.00 348.00 238.00 27.50 4.50 0.00 a 0.00 991.50
1933 0.00 0.00 0.00 1.00 70.27 a 496.50 428.00 231.00 168.10 a 2.50 5.50 0.00 1402.87
1934 0.00 0.00 0.00 19.00 260.92 a 342.50 0.00 z 254.00 51.00 15.50 0.00 0.00 942.92
1935 0.00 a 0.00 0.00 3.50 2.50 115.34 a 450.50 274.50 79.50 5.50 0.00 0.00 931.34
1936 0.00 0.00 0.00 0.00 121.50 127.50 494.00 387.00 151.50 4.50 0.00 0.00 1286.00
1937 0.00 0.00 0.00 0.00 50.00 137.00 358.50 380.00 149.00 0.50 0.00 0.00 1075.00
1938 0.00 0.00 0.00 17.00 54.50 136.00 255.00 268.50 50.00 34.00 3.50 0.00 818.50
1939 0.00 0.00 0.00 25.00 149.00 239.50 360.00 221.50 197.50 1.50 0.00 0.00 1194.00
1940 0.00 0.00 0.00 0.00 31.00 196.50 379.50 201.00 137.50 4.50 0.00 0.00 950.00
1941 0.00 0.00 0.00 19.00 99.50 215.00 306.00 262.50 111.00 0.00 0.00 0.00 1013.00
1942 0.00 0.00 0.00 29.00 29.00 138.62 a 228.50 219.00 69.00 0.00 0.00 0.00 713.12
1943 0.00 0.00 4.00 1.50 32.00 259.50 324.98 a 230.00 42.50 0.00 0.00 0.00 h 894.48
1944 0.00 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 d 0.00 a 0.00
1945 0.00 0.00 0.00 9.50 17.50 119.00 260.50 0.00 z 125.50 1.00 0.00 0.00 533.00
1946 0.00 0.00 0.00 10.50 13.50 148.50 273.00 142.00 35.50 9.00 0.00 0.00 632.00
1947 0.00 0.00 0.00 0.00 8.50 114.00 263.00 428.00 165.52 a 51.00 0.00 a 0.00 1030.02
1948 0.00 0.00 0.00 26.00 38.50 127.00 345.50 275.50 164.50 0.00 0.00 0.00 977.00
1949 0.00 0.00 a 0.00 1.50 82.50 291.50 427.50 359.50 25.50 2.58 a 0.00 0.00 1190.58
1950 0.00 0.00 0.00 0.00 30.50 191.50 220.00 183.70 d 62.50 37.50 3.00 0.00 a 728.70
1951 0.00 0.00 0.00 a 9.83 a 98.00 116.50 267.24 b 186.50 26.90 a 14.50 0.00 0.00 j 719.47
1952 0.00 0.00 a 0.00 32.50 52.00 222.50 341.50 202.50 93.00 6.00 0.00 0.00 950.00
1953 0.00 a 0.00 b 0.00 0.00 53.00 255.50 302.00 321.00 88.00 56.50 1.00 0.00 1077.00
1954 0.00 0.00 0.00 10.50 24.00 317.00 316.00 183.00 43.00 0.00 0.00 0.00 893.50
1955 0.00 0.00 0.00 1.00 58.00 92.59 a 420.00 349.00 76.50 5.50 0.00 0.00 1002.59
1956 0.00 0.00 0.00 0.00 37.00 238.50 169.00 198.50 16.50 11.50 0.00 0.00 671.00
1957 0.00 0.00 0.00 2.59 a 8.00 105.00 313.00 153.97 a 42.50 0.00 g 0.00 0.00 625.05
1958 0.00 0.00 0.00 0.00 21.50 40.00 162.00 187.00 41.00 14.98 a 0.00 b 0.00 466.48
1959 0.00 0.00 0.00 0.00 75.95 a 163.00 208.00 285.50 90.00 0.00 0.00 0.00 822.45
1960 0.00 0.00 0.00 20.00 6.00 53.00 195.50 196.00 130.50 6.00 0.00 0.00 607.00
1961 0.00 0.00 0.00 0.00 24.00 138.00 204.50 194.50 84.50 0.50 0.00 0.00 646.00
1962 0.00 0.00 0.00 19.00 99.00 107.50 131.50 166.00 21.50 15.00 0.00 0.00 559.50
1963 0.00 0.00 0.00 0.00 15.50 178.85 d 275.00 160.50 57.00 25.00 0.00 0.00 711.85
1964 0.00 0.00 0.00 0.00 66.00 173.00 341.50 176.50 53.00 0.00 0.00 0.00 810.00
1965 0.00 0.00 0.00 0.00 58.50 68.00 169.97 b 162.00 7.50 12.00 0.00 0.00 477.97
1966 0.00 0.00 0.00 0.00 21.00 169.00 318.00 150.00 64.00 9.00 0.00 0.00 731.00
1967 0.00 0.00 1.00 0.00 24.50 149.00 212.50 145.00 32.50 6.00 0.00 0.00 b 570.50
1968 0.00 0.00 0.00 a 0.50 8.50 131.00 179.50 182.00 23.50 16.50 0.00 0.00 541.50
1969 0.00 0.00 0.00 0.00 49.60 a 41.90 a 209.50 224.50 46.07 b 10.50 0.00 0.00 582.07
1970 0.00 0.00 0.00 b 22.50 44.43 a 176.50 301.00 209.52 b 52.50 4.50 0.00 0.00 a 810.95
1971 0.00 0.00 0.00 0.00 0.00 238.50 148.50 121.00 83.50 22.50 0.00 0.00 614.00
1972 0.00 0.00 0.00 0.00 92.00 87.50 135.50 189.00 23.00 0.00 0.00 0.00 527.00
1973 0.00 0.00 0.00 0.00 0.00 124.50 240.00 177.00 48.00 14.50 0.00 0.00 604.00
1974 0.00 0.00 0.00 z 1.00 6.00 49.50 282.50 88.50 6.50 0.00 0.00 0.00 434.00
1975 0.00 0.00 0.00 0.00 59.00 113.50 277.50 155.00 9.00 8.50 0.00 0.00 622.50
1976 0.00 0.00 0.00 5.50 5.68 a 0.00 z 258.00 187.50 51.50 2.50 0.00 z 0.00 a 510.68
1977 0.00 c 0.00 b 0.00 40.34 a 185.50 116.00 345.50 82.00 30.50 0.00 0.00 0.00 a 799.84
1978 0.00 0.00 0.00 0.00 51.50 113.50 169.00 138.50 136.50 0.00 0.00 0.00 609.00
1979 0.00 0.00 0.00 0.00 7.00 96.72 a 247.00 156.50 71.00 0.00 0.00 0.00 578.22
1980 0.00 0.00 0.00 16.00 69.50 114.50 312.50 187.00 36.00 0.00 0.00 0.00 735.50
1981 0.00 0.00 0.00 0.00 9.50 112.50 15.00 z 187.50 31.61 b 0.00 0.00 a 0.00 341.11
1982 0.00 0.00 0.00 0.00 33.00 37.00 262.00 187.00 33.00 0.00 0.00 0.00 552.00
1983 0.00 0.00 0.00 0.00 z 0.50 171.50 423.00 0.00 z 0.00 z 0.00 z 0.00 d 0.00 595.00
1984 0.00 c 0.00 c 0.00 0.00 z 13.00 206.50 257.50 0.00 z 49.00 0.00 a 0.00 z 0.00 a 526.00
1985 0.00 a 0.00 0.00 44.00 0.00 z 139.00 329.50 156.03 a 0.00 z 0.00 z 0.00 z 0.00 668.53
1986 0.00 0.00 0.00 7.50 0.00 z 154.00 256.50 83.00 30.50 0.00 0.00 0.00 531.50
1987 0.00 0.00 0.00 23.50 88.50 233.50 350.00 0.00 z 29.00 0.00 0.00 0.00 724.50
1988 0.00 b 0.00 0.00 a 2.50 0.00 z 326.50 424.50 373.50 0.00 z 0.00 0.00 0.00 b 1127.00
1989 0.00 0.00 0.00 i 0.00 0.00 z 173.00 373.00 252.50 68.50 19.50 0.00 0.00 886.50
1990 0.00 0.00 0.00 a 37.50 10.50 186.50 281.50 229.50 154.00 3.50 0.00 0.00 903.00
1991 0.00 0.00 0.00 36.50 147.00 0.00 z 280.50 263.50 68.00 0.00 0.00 0.00 795.50
1992 0.00 0.00 0.00 0.00 75.00 118.00 113.00 128.00 33.50 6.50 0.00 0.00 b 474.00
1993 0.00 z 0.00 0.00 0.00 39.50 109.50 241.50 256.50 17.00 4.00 0.00 0.00 668.00
1994 0.00 0.00 0.00 z 7.50 60.00 251.00 233.50 153.00 108.50 1.00 0.00 0.00 814.50
1995 0.00 0.00 0.00 0.00 17.50 268.50 320.50 386.50 82.50 10.00 0.00 0.00 1085.50
1996 0.00 a 0.00 0.00 0.00 36.50 182.00 202.00 225.00 106.50 3.50 0.00 0.00 755.50
1997 0.00 0.00 0.00 0.00 1.50 195.00 243.00 161.00 68.50 53.50 0.00 0.00 722.50
1998 0.00 b 0.00 0.00 0.00 120.00 175.50 305.00 253.50 171.00 0.00 0.00 0.00 1025.00
1999 0.00 a 0.00 a 0.00 0.00 41.50 176.00 411.00 196.00 76.50 0.00 2.00 0.00 a 903.00
2000 0.00 0.00 a 5.50 0.00 67.17 a 150.00 281.00 261.00 87.00 14.50 0.00 0.00 866.17
2001 0.00 0.00 0.00 18.75 b 63.50 205.50 356.50 315.00 53.00 5.00 0.00 0.00 c 1017.25
2002 0.00 0.00 0.00 35.00 52.00 243.00 407.50 228.00 141.50 5.00 0.00 0.00 1112.00
2003 0.00 0.00 0.00 25.50 16.50 141.50 289.50 347.50 114.50 21.50 0.00 0.00 956.50
2004 0.00 0.00 0.00 18.00 37.00 114.50 229.50 128.00 137.50 1.00 0.00 0.00 665.50
2005 0.00 0.00 0.00 9.00 7.50 275.50 344.50 220.50 140.00 39.50 0.00 0.00 1036.50
2006 0.00 0.00 0.00 2.50 82.50 186.50 404.50 242.00 35.50 13.50 0.00 0.00 967.00
2007 0.00 0.00 5.17 a 13.00 90.50 213.00 296.00 239.50 126.50 39.50 0.00 0.00 1023.17
2008 0.00 0.00 0.00 0.50 6.50 137.00 301.00 219.50 93.00 4.00 3.00 0.00 764.50
2009 0.00 0.00 0.00 10.00 36.00 177.50 149.50 195.00 89.50 0.00 z 0.00 z 0.00 z 657.50
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 z 0.00 z 0.00
2011 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
Period of Record Statistics
MEAN 0.00 0.00 0.24 7.77 49.57 164.80 279.54 209.96 76.29 8.97 0.17 0.00 801.16
S.D. 0.00 0.00 1.12 11.34 43.06 82.98 86.99 73.76 50.96 12.28 0.76 0.00 237.25
SKEW 0.00 0.00 4.86 1.59 1.77 0.92 0.19 0.63 0.74 1.99 5.06 0.00 0.22
MAX 0.00 0.00 7.50 46.00 260.92 496.50 494.00 428.00 226.50 56.50 5.50 0.00 1402.87
MIN 0.00 0.00 0.00 0.00 0.00 37.00 113.00 80.50 2.50 0.00 0.00 0.00 330.00
NO YRS 111 112 107 109 105 108 107 104 105 107 108 109 87