ROCHESTER INTL AP, MINNESOTA

Monthly Total Cooling Degree Days

(217004)

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
1893 0.00 r 0.00 z 0.00 a 0.00 b 1.03 a 13.00 x 95.50 r 129.50 94.29 b 6.50 g 0.00 e 0.00 z 224.82
1894 0.00 0.00 f 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
1895 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
1896 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
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 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
1903 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
1904 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
1905 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
1906 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
1907 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
1908 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 43.00 m 172.00 154.48 a 227.00 0.00 z 0.00 z 0.50 553.98
1909 0.00 z 0.00 0.00 0.00 2.38 e 89.44 c 158.00 275.00 15.50 2.07 a 0.00 0.00 c 542.40
1910 0.00 0.00 h 0.50 7.00 0.00 202.22 c 222.68 a 133.50 20.00 6.00 0.00 0.00 591.91
1911 0.00 0.00 0.00 0.00 94.50 206.50 231.47 a 0.00 z 25.96 d 0.00 0.00 0.00 558.43
1912 0.00 0.00 0.00 1.55 a 32.00 78.00 225.00 96.00 91.00 6.50 0.00 0.00 a 530.05
1913 0.00 0.00 0.00 10.00 32.00 226.00 187.00 196.50 108.00 5.00 0.00 0.00 764.50
1914 0.00 0.00 0.00 4.00 47.50 128.00 275.00 165.00 43.00 13.00 0.00 0.00 675.50
1915 0.00 a 0.00 0.00 23.00 10.33 a 34.29 b 109.50 77.00 34.50 0.00 0.00 0.00 288.62
1916 0.00 0.00 0.00 0.00 31.00 34.00 382.00 250.00 79.50 3.10 a 0.00 0.00 779.60
1917 0.00 0.00 0.00 4.50 17.00 58.00 226.00 100.00 14.00 0.00 0.00 0.00 419.50
1918 0.00 a 0.00 0.00 a 0.00 52.00 101.00 151.00 160.00 f 13.00 0.00 0.00 0.00 d 317.00
1919 0.00 0.00 0.00 0.00 21.70 a 196.61 b 257.50 122.00 85.50 0.00 d 0.00 a 0.00 683.31
1920 0.00 0.00 0.00 a 0.00 13.00 162.00 124.50 91.50 86.50 17.00 h 0.00 0.00 z 477.50
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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 1.50 g 0.00 0.00 0.00
1929 0.00 e 0.00 a 0.00 0.00 n 31.50 94.50 218.11 c 127.50 54.00 0.00 a 0.00 a 0.00 c 525.61
1930 0.00 0.00 0.00 0.50 32.50 79.00 265.50 192.50 47.50 19.50 0.00 0.00 637.00
1931 0.00 d 0.00 0.00 2.00 22.00 257.00 289.00 163.00 153.10 a 3.21 b 0.00 0.00 889.31
1932 0.00 0.00 a 0.00 0.00 23.00 132.00 237.00 181.00 9.50 0.00 0.00 a 0.00 582.50
1933 0.00 0.00 0.00 a 0.00 18.00 298.00 236.00 70.00 112.50 0.00 0.00 0.00 734.50
1934 0.00 0.00 0.00 7.50 162.50 222.00 260.50 141.50 18.50 2.50 0.00 0.00 815.00
1935 0.00 0.00 0.00 1.00 0.00 45.00 333.00 200.00 61.50 5.00 0.00 0.00 645.50
1936 0.00 0.00 0.00 0.00 52.50 74.00 394.50 268.00 90.00 0.50 0.00 0.00 879.50
1937 0.00 a 0.00 0.00 0.00 29.50 66.00 239.00 297.00 108.50 2.50 0.00 0.00 742.50
1938 0.00 0.00 0.00 1.50 15.50 81.00 192.00 201.50 31.50 13.00 0.00 0.00 536.00
1939 0.00 0.00 0.00 8.50 83.50 150.50 241.00 149.50 122.00 0.00 0.00 0.00 755.00
1940 0.00 0.00 0.00 0.50 13.00 124.00 249.00 130.00 86.50 0.00 0.00 0.00 603.00
1941 0.00 0.00 0.00 8.00 63.50 158.50 243.00 203.00 71.50 0.00 0.00 0.00 747.50
1942 0.00 a 0.00 0.00 10.50 25.00 96.50 177.00 162.50 31.00 0.00 0.00 0.00 502.50
1943 0.00 0.00 0.50 0.00 38.00 220.50 271.00 195.00 21.50 0.00 0.00 0.00 746.50
1944 0.00 0.00 0.00 0.00 79.50 181.50 147.50 197.00 29.50 0.00 0.00 0.00 635.00
1945 0.00 0.00 0.00 1.50 0.00 41.50 146.00 152.00 57.50 0.00 0.00 0.00 398.50
1946 0.00 0.00 0.00 2.00 5.50 137.50 223.50 86.50 26.00 5.50 0.00 0.00 486.50
1947 0.00 0.00 0.00 0.00 0.00 68.00 193.00 376.50 131.50 22.50 0.00 0.00 791.50
1948 0.00 0.00 0.00 6.00 14.50 75.00 266.00 228.00 127.00 0.00 0.00 0.00 716.50
1949 0.00 0.00 0.00 0.00 54.00 214.50 312.50 242.50 11.00 1.00 0.00 0.00 835.50
1950 0.00 0.00 0.00 0.00 12.50 116.00 138.50 94.50 15.00 18.50 0.00 0.00 395.00
1951 0.00 0.00 0.00 0.50 28.00 38.28 a 183.50 111.00 4.50 7.00 0.00 0.00 372.78
1952 0.00 0.00 0.00 10.00 19.50 151.00 198.92 a 117.50 75.00 0.00 0.00 0.00 571.92
1953 0.00 0.00 0.00 0.00 26.50 175.50 170.50 176.18 a 43.00 28.50 0.00 0.00 620.18
1954 0.00 a 0.00 0.00 2.50 7.50 207.50 233.50 108.00 30.50 0.00 0.00 0.00 589.50
1955 0.00 0.00 0.00 0.00 50.00 73.00 378.50 302.50 74.00 3.62 a 0.00 0.00 881.62
1956 0.00 0.00 0.00 0.00 34.00 233.00 112.50 175.00 13.50 12.50 0.00 0.00 580.50
1957 0.00 0.00 0.00 a 0.00 8.50 86.50 308.50 140.50 22.50 0.00 0.00 0.00 566.50
1958 0.00 0.00 0.00 0.00 10.00 32.50 97.50 149.50 21.50 11.50 0.00 0.00 322.50
1959 0.00 0.00 0.00 0.00 58.00 142.00 185.00 254.50 74.00 0.00 0.00 0.00 713.50
1960 0.00 0.00 0.00 12.50 3.00 41.00 173.50 190.50 113.50 6.00 0.00 a 0.00 540.00
1961 0.00 0.00 0.00 0.00 17.50 109.00 145.00 174.00 65.50 0.00 0.00 0.00 511.00
1962 0.00 0.00 0.00 7.50 75.50 94.00 107.50 117.00 14.00 11.22 b 0.00 0.00 426.72
1963 0.00 0.00 0.00 0.50 19.00 186.00 181.50 109.50 33.00 17.00 0.00 0.00 546.50
1964 0.00 0.00 0.00 0.00 38.00 136.00 278.50 119.00 35.50 0.00 0.00 0.00 607.00
1965 0.00 0.00 0.00 0.00 22.00 56.50 135.00 107.50 7.50 5.50 0.00 0.00 334.00
1966 0.00 0.00 0.00 0.00 10.00 122.50 220.50 98.50 35.50 4.50 0.00 0.00 491.50
1967 0.00 0.00 0.00 0.00 18.00 64.00 109.00 69.00 4.00 2.00 0.00 0.00 266.00
1968 0.00 0.00 0.00 0.00 3.00 94.50 118.50 138.50 16.00 14.50 0.00 0.00 385.00
1969 0.00 0.00 0.00 0.00 36.00 22.00 159.00 140.50 33.00 9.00 0.00 0.00 399.50
1970 0.00 0.00 0.00 14.50 39.00 146.50 196.50 122.50 54.50 4.50 0.00 0.00 578.00
1971 0.00 0.00 0.00 0.00 1.50 210.00 93.50 116.00 86.00 10.00 0.00 0.00 517.00
1972 0.00 0.00 0.00 0.00 71.00 108.00 126.00 172.50 12.50 0.00 0.00 0.00 490.00
1973 0.00 0.00 0.00 0.00 0.50 119.00 189.00 188.00 35.00 11.00 0.00 0.00 542.50
1974 0.00 0.00 0.00 3.50 10.50 61.00 296.00 88.50 6.50 0.00 0.00 0.00 466.00
1975 0.00 0.00 0.00 0.00 67.00 138.00 273.00 188.50 16.50 10.50 0.00 0.00 693.50
1976 0.00 0.00 0.00 8.50 4.50 121.00 271.50 176.50 34.00 4.00 0.00 0.00 620.00
1977 0.00 0.00 0.00 16.50 77.50 94.00 248.00 66.00 24.50 0.00 0.00 0.00 526.50
1978 0.00 0.00 0.00 0.00 37.50 109.00 139.50 140.00 108.50 0.00 0.00 0.00 534.50
1979 0.00 0.00 0.00 0.00 20.50 115.00 237.50 161.00 55.00 1.00 0.00 0.00 590.00
1980 0.00 0.00 0.00 13.00 67.00 118.00 255.50 157.00 40.00 0.00 0.00 0.00 650.50
1981 0.00 0.00 0.00 0.00 3.00 71.50 173.00 109.50 11.50 0.00 0.00 0.00 368.50
1982 0.00 0.00 0.00 0.00 22.50 27.50 244.50 164.00 49.50 0.00 0.00 0.00 508.00
1983 0.00 0.00 0.00 0.00 0.00 117.50 283.00 265.50 75.50 6.50 0.00 0.00 748.00
1984 0.00 0.00 0.00 0.00 0.50 69.50 109.50 194.00 21.00 0.00 0.00 0.00 394.50
1985 0.00 0.00 0.00 24.50 26.00 61.00 176.50 69.00 84.00 0.00 0.00 0.00 441.00
1986 0.00 0.00 0.00 1.50 20.00 92.00 203.50 55.50 26.50 0.00 0.00 0.00 399.00
1987 0.00 0.00 0.00 6.00 54.00 183.50 276.00 119.00 24.50 0.00 0.00 0.00 663.00
1988 0.00 0.00 0.00 0.00 45.00 186.00 271.50 263.50 36.50 0.00 0.00 0.00 802.50
1989 0.00 0.00 0.00 0.00 9.00 85.50 226.00 127.50 24.00 2.00 0.00 0.00 474.00
1990 0.00 0.00 0.00 18.00 3.00 132.50 147.50 153.00 94.50 0.00 0.00 0.00 548.50
1991 0.00 0.00 0.00 11.00 98.50 228.50 174.00 148.50 49.50 0.00 0.00 0.00 710.00
1992 0.00 0.00 0.00 0.00 32.50 69.50 50.00 49.50 14.50 2.00 0.00 0.00 218.00
1993 0.00 0.00 0.00 0.00 8.50 48.50 129.50 134.50 5.50 4.00 0.00 0.00 330.50
1994 0.00 0.00 0.00 5.00 31.50 144.00 99.50 73.50 66.00 0.00 0.00 0.00 419.50
1995 0.00 0.00 0.00 0.00 0.00 181.50 198.00 256.00 33.00 6.50 0.00 0.00 675.00
1996 0.00 0.00 0.00 0.00 20.50 116.50 82.50 67.50 34.00 0.00 0.00 0.00 321.00
1997 0.00 0.00 0.00 0.00 0.00 104.00 159.50 69.50 18.50 29.00 0.00 0.00 380.50
1998 0.00 0.00 0.00 0.00 65.00 81.50 145.50 127.00 86.00 0.00 0.00 0.00 505.00
1999 0.00 a 0.00 0.00 0.00 14.00 105.50 258.50 74.00 36.50 0.00 0.00 a 0.00 488.50
2000 0.00 0.00 0.00 0.00 38.00 73.00 163.50 136.00 43.00 3.50 0.00 0.00 457.00
2001 0.00 0.00 0.00 2.50 24.50 136.00 243.00 154.50 16.00 0.00 0.00 0.00 a 576.50
2002 0.00 0.00 0.00 12.00 25.00 159.50 248.50 92.50 75.50 0.00 0.00 0.00 613.00
2003 0.00 0.00 0.00 9.00 1.00 77.50 151.00 188.50 60.50 6.50 0.00 0.00 494.00
2004 0.00 0.00 0.00 7.00 7.50 65.50 119.00 58.00 77.50 1.00 0.00 0.00 335.50
2005 0.00 0.00 0.00 1.50 3.50 207.00 237.00 109.00 86.00 34.50 0.00 0.00 678.50
2006 0.00 0.00 0.00 0.00 75.50 130.50 288.50 144.00 18.50 13.50 0.00 0.00 670.50
2007 0.00 0.00 0.00 6.50 63.50 145.00 214.00 163.50 83.00 37.50 0.00 0.00 713.00
2008 0.00 0.00 0.00 0.00 7.00 103.50 194.00 121.50 46.00 5.50 0.00 0.00 477.50
2009 0.00 0.00 0.00 3.50 23.00 114.50 52.50 78.50 28.50 0.00 0.00 0.00 300.50
2010 0.00 0.00 0.00 2.50 67.50 89.00 238.00 248.00 9.00 10.50 0.00 0.00 664.50
2011 0.00 0.00 0.00 0.00 28.00 140.50 312.50 135.00 43.50 24.00 0.00 0.00 683.50
2012 0.00 0.00 16.50 0.00 65.50 198.00 374.00 155.00 55.00 0.00 0.00 0.00 864.00
2013 0.00 0.00 0.00 a 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 0.18 3.12 29.83 120.82 206.81 151.35 50.78 5.15 0.00 0.01 567.48
S.D. 0.00 0.00 1.67 5.27 28.28 59.00 72.75 62.75 38.90 8.03 0.00 0.05 158.61
SKEW 0.00 0.00 9.72 2.03 1.58 0.58 0.24 0.88 1.41 2.10 0.00 9.70 0.02
MAX 0.00 0.00 16.50 24.50 162.50 298.00 394.50 376.50 227.00 37.50 0.00 0.50 889.31
MIN 0.00 0.00 0.00 0.00 0.00 22.00 50.00 49.50 4.00 0.00 0.00 0.00 218.00
NO YRS 97 96 98 96 97 96 97 96 98 95 98 97 90