IRON MTN KINGSFORD WWTP, MICHIGAN

Monthly Total Cooling Degree Days

(204090)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201209
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
1899 0.00 z 0.00 0.00 2.50 6.50 42.00 93.00 100.50 11.00 2.50 0.00 0.00 258.00
1900 0.00 0.00 0.00 0.50 21.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 22.00
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 i 0.50 0.00 0.00 c 0.50
1902 0.00 0.00 a 0.00 a 0.00 a 20.50 17.31 d 117.50 33.67 b 0.00 a 0.00 0.00 b 0.00 188.98
1903 0.00 0.00 0.00 a 0.00 14.00 25.50 96.50 27.00 10.00 0.00 0.00 0.00 173.00
1904 0.00 0.00 0.00 0.00 4.65 a 34.50 0.00 b 0.00 0.00 0.00 0.00 0.00 39.15
1905 0.00 0.00 0.00 0.00 0.00 40.50 59.50 63.50 17.50 7.50 0.00 a 0.00 a 188.50
1906 0.00 0.00 0.00 0.00 11.50 40.00 86.50 117.00 67.00 0.00 0.00 c 0.00 e 322.00
1907 0.00 0.00 0.00 0.00 0.00 a 96.50 66.50 58.50 18.50 0.00 a 0.00 0.00 240.00
1908 0.00 0.00 0.00 0.50 8.50 66.60 e 155.00 a 94.00 129.50 1.11 c 0.00 0.00 455.21
1909 0.00 0.00 0.00 0.00 3.88 c 111.43 b 87.50 134.52 c 21.50 0.00 c 0.00 a 0.00 f 358.82
1910 0.00 e 0.00 4.13 a 0.00 f 2.07 a 162.50 j 112.00 r 94.50 7.00 2.07 a 0.00 a 0.00 b 109.77
1911 0.00 0.00 0.00 g 0.54 b 48.57 a 144.00 159.00 54.00 20.50 0.00 0.00 0.00 426.60
1912 0.00 0.00 0.00 0.00 8.50 52.50 130.00 35.50 46.50 0.00 0.00 0.00 a 273.00
1913 0.00 a 0.00 0.00 7.00 5.00 136.50 99.72 a 126.50 30.00 a 0.00 0.00 0.00 a 404.72
1914 0.00 0.00 0.00 0.00 35.50 75.00 179.00 88.35 a 36.72 a 0.55 c 0.00 0.00 415.13
1915 0.00 0.00 0.00 23.50 2.50 19.00 69.75 a 42.50 33.50 0.00 0.00 0.00 190.75
1916 0.00 0.00 0.00 0.00 0.50 14.50 295.50 159.00 13.50 0.00 0.00 0.00 b 483.00
1917 0.00 0.00 0.00 a 0.00 1.50 13.00 181.50 35.50 4.50 0.00 0.00 0.00 236.00
1918 0.00 0.00 0.00 0.00 26.50 16.50 134.50 94.50 5.50 0.00 0.00 0.00 e 277.50
1919 0.00 c 0.00 0.00 0.00 46.50 167.50 227.00 81.00 31.50 1.50 0.00 f 0.00 555.00
1920 0.00 0.00 0.00 0.00 11.00 121.50 69.50 63.00 23.00 19.00 0.00 z 0.00 307.00
1921 0.00 0.00 0.00 5.50 50.00 205.00 344.50 96.00 50.50 0.00 0.00 0.00 751.50
1922 0.00 0.00 0.00 0.00 13.50 66.50 85.00 119.00 62.50 21.50 0.00 0.00 d 368.00
1923 0.00 0.00 0.00 0.00 6.00 127.50 124.50 46.50 23.50 0.00 0.00 0.00 328.00
1924 0.00 b 0.00 0.00 0.00 0.00 28.00 62.00 73.50 0.00 0.00 0.00 0.00 163.50
1925 0.00 0.00 0.00 1.50 24.50 134.00 125.50 114.50 39.00 0.00 0.00 0.00 439.00
1926 0.00 0.00 0.00 0.00 11.00 22.00 102.50 52.00 9.00 0.00 0.00 0.00 196.50
1927 0.00 0.00 0.00 0.00 0.00 53.00 63.50 7.50 82.00 0.00 0.00 0.00 206.00
1928 0.00 0.00 0.00 0.00 1.50 4.50 106.00 93.50 0.00 11.00 0.00 0.00 216.50
1929 0.00 0.00 0.00 0.00 29.00 46.00 104.00 68.50 52.50 0.00 0.00 0.00 300.00
1930 0.00 0.00 0.00 0.00 25.50 77.50 112.63 a 119.50 40.50 3.00 0.00 a 0.00 378.63
1931 0.00 0.00 0.00 0.00 16.00 130.50 203.57 a 72.00 106.00 3.50 0.00 0.00 z 531.57
1932 0.00 i 0.00 0.00 0.00 14.00 51.00 151.00 119.50 5.00 0.00 0.00 0.00 340.50
1933 0.00 0.00 0.00 0.00 13.00 185.00 171.50 64.50 46.50 0.00 0.00 0.00 480.50
1934 0.00 0.00 0.00 4.00 58.50 116.50 150.00 79.00 4.50 2.00 0.00 0.00 414.50
1935 0.00 0.00 0.00 0.00 0.00 8.00 222.50 125.00 22.50 0.00 0.00 0.00 a 378.00
1936 0.00 0.00 0.00 0.00 31.50 24.50 224.00 117.00 52.50 0.00 b 0.00 0.00 449.50
1937 0.00 0.00 0.00 0.00 21.00 43.50 155.50 178.50 47.00 0.00 0.00 0.00 445.50
1938 0.00 0.00 0.00 5.00 3.00 53.50 127.50 133.50 1.00 4.00 0.00 0.00 327.50
1939 0.00 0.00 0.00 0.00 26.50 78.00 138.50 61.50 65.00 0.00 0.00 0.00 369.50
1940 0.00 0.00 0.00 0.00 0.00 55.00 134.50 88.50 41.50 0.00 0.00 0.00 319.50
1941 0.00 0.00 0.00 2.50 28.00 130.00 186.50 67.00 36.50 0.00 0.00 0.00 450.50
1942 0.00 0.00 0.00 6.00 2.00 44.50 84.00 62.50 20.50 0.00 0.00 0.00 219.50
1943 0.00 0.00 0.00 0.00 4.50 115.00 147.00 83.00 6.50 0.00 0.00 a 0.00 356.00
1944 0.00 0.00 0.00 0.00 26.00 79.50 79.00 129.50 15.00 a 0.00 0.00 0.00 329.00
1945 0.00 a 0.00 0.00 1.00 0.00 33.50 53.50 69.00 41.50 0.00 0.00 0.00 198.50
1946 0.00 a 0.00 0.00 0.00 5.00 72.00 89.00 52.50 10.50 0.00 0.00 0.00 229.00
1947 0.00 0.00 0.00 0.00 0.00 38.00 148.00 263.00 57.50 8.00 0.00 0.00 514.50
1948 0.00 0.00 0.00 0.00 6.50 31.50 125.00 107.00 53.50 0.00 0.00 0.00 323.50
1949 0.00 0.00 0.00 0.00 34.00 156.50 167.00 137.00 0.50 3.00 0.00 0.00 498.00
1950 0.00 0.00 0.00 0.00 2.50 64.50 62.00 32.00 4.50 2.50 0.00 0.00 168.00
1951 0.00 0.00 x 0.00 0.50 7.50 f 11.50 104.50 27.00 9.00 1.03 a 0.00 0.00 153.53
1952 0.00 0.00 0.00 0.00 a 0.00 59.00 127.50 58.00 42.00 0.00 0.00 0.00 286.50
1953 0.00 0.00 0.00 0.00 10.00 57.00 106.50 109.00 39.00 4.50 0.00 0.00 326.00
1954 0.00 0.00 0.00 0.00 0.00 100.00 79.00 38.00 1.50 0.00 0.00 0.00 218.50
1955 0.00 0.00 0.00 0.00 15.00 38.00 239.50 161.00 31.00 1.50 0.00 0.00 486.00
1956 0.00 0.00 0.00 0.00 6.50 85.50 26.50 54.00 4.00 1.00 0.00 i 0.00 177.50
1957 0.00 0.00 0.00 1.50 7.00 65.50 144.00 76.00 14.00 0.00 0.00 g 0.00 308.00
1958 0.00 0.00 0.00 0.50 1.00 16.50 61.50 82.50 8.00 0.00 0.00 0.00 170.00
1959 0.00 0.00 0.00 0.00 j 8.00 t 95.50 122.50 135.50 32.50 0.00 0.00 0.00 386.00
1960 0.00 0.00 0.00 0.00 0.00 13.00 66.50 77.00 42.00 0.00 0.00 0.00 198.50
1961 0.00 0.00 0.00 0.00 3.00 52.00 89.90 a 84.00 51.00 0.00 0.00 0.00 279.90
1962 0.00 0.00 0.00 0.00 53.00 29.50 37.50 56.50 6.00 2.00 0.00 0.00 184.50
1963 0.00 0.00 0.00 0.00 2.00 95.00 125.00 51.00 4.00 3.50 0.00 0.00 280.50
1964 0.00 0.00 0.00 0.00 29.00 94.00 154.00 58.00 8.50 0.00 0.00 0.00 343.50
1965 0.00 0.00 0.00 0.00 9.50 29.00 52.00 74.00 0.00 2.50 0.00 0.00 167.00
1966 0.00 0.00 0.00 0.00 3.00 105.50 207.00 67.50 16.50 0.00 0.00 0.00 399.50
1967 0.00 0.00 0.00 0.00 0.00 33.50 83.50 42.00 10.50 0.00 0.00 0.00 169.50
1968 0.00 0.00 0.00 0.00 0.00 80.00 113.00 106.00 10.50 18.50 0.00 0.00 328.00
1969 0.00 0.00 0.00 0.00 26.00 9.00 90.00 141.50 27.50 0.00 0.00 0.00 294.00
1970 0.00 0.00 0.00 4.00 12.00 75.00 175.00 83.50 37.50 0.00 0.00 0.00 387.00
1971 0.00 0.00 0.00 0.00 0.00 117.00 59.50 53.00 50.50 14.50 0.00 0.00 294.50
1972 0.00 0.00 0.00 0.00 22.50 26.50 90.50 81.50 0.00 0.00 0.00 0.00 221.00
1973 0.00 0.00 0.00 0.00 0.00 38.00 115.50 137.50 44.00 2.00 0.00 0.00 337.00
1974 0.00 0.00 0.00 3.00 11.00 19.50 140.50 54.50 0.00 0.00 0.00 0.00 228.50
1975 0.00 0.00 0.00 0.00 51.00 83.50 201.00 95.50 0.00 0.00 0.00 0.00 431.00
1976 0.00 0.00 0.00 6.00 0.00 84.00 118.00 110.50 34.50 0.00 0.00 0.00 353.00
1977 0.00 0.00 0.00 2.00 75.00 42.00 192.00 44.00 1.00 0.00 0.00 0.00 356.00
1978 0.00 0.00 0.00 0.00 39.00 61.50 91.00 83.50 50.50 0.00 0.00 0.00 325.50
1979 0.00 0.00 0.00 0.00 2.00 32.50 129.00 53.50 27.50 0.00 0.00 0.00 244.50
1980 0.00 0.00 0.00 0.00 26.00 57.00 148.00 99.50 8.50 0.00 0.00 0.00 339.00
1981 0.00 0.00 0.00 0.00 1.50 35.00 124.50 73.00 5.00 0.00 0.00 0.00 239.00
1982 0.00 0.00 0.00 0.00 16.00 4.50 117.50 68.00 25.50 0.00 0.00 0.00 231.50
1983 0.00 0.00 0.00 0.00 0.00 84.50 253.50 188.00 61.00 0.00 a 0.00 b 0.00 b 587.00
1984 0.00 0.00 0.00 b 0.00 a 0.50 42.00 87.32 a 125.00 3.00 0.00 b 0.00 a 0.00 257.82
1985 0.00 0.00 0.00 8.50 5.50 11.90 a 69.00 42.50 26.00 0.00 0.00 0.00 163.40
1986 0.00 0.00 0.00 1.50 23.50 27.00 160.50 40.50 15.00 0.00 0.00 0.00 268.00
1987 0.00 z 0.00 0.00 0.50 30.50 129.00 187.50 86.50 11.00 0.00 0.00 0.00 445.00
1988 0.00 0.00 0.00 0.00 35.50 140.00 164.00 179.50 10.50 1.50 0.00 0.00 531.00
1989 0.00 0.00 0.00 0.00 2.50 39.00 153.00 103.00 9.00 0.00 0.00 0.00 306.50
1990 0.00 0.00 0.00 18.00 0.00 53.00 91.00 65.00 16.50 0.00 0.00 0.00 243.50
1991 0.00 0.00 0.00 0.00 85.50 115.00 124.00 154.00 37.50 0.00 0.00 0.00 516.00
1992 0.00 0.00 0.00 0.00 0.00 z 41.00 28.00 58.50 2.50 1.00 0.00 0.00 131.00
1993 0.00 0.00 0.00 0.00 8.00 23.50 107.50 120.50 0.00 0.00 0.00 0.00 259.50
1994 0.00 0.00 a 0.00 0.00 19.00 108.50 80.00 61.50 18.50 0.00 0.00 0.00 287.50
1995 0.00 a 0.00 0.00 0.00 3.50 186.50 137.00 165.50 20.00 2.00 0.00 0.00 514.50
1996 0.00 0.00 0.00 0.00 13.50 74.50 52.50 88.00 48.50 0.00 0.00 0.00 277.00
1997 0.00 0.00 0.00 0.00 0.00 92.50 121.00 57.00 13.50 3.50 0.00 0.00 287.50
1998 0.00 0.00 0.00 0.00 40.50 97.50 137.50 131.50 49.00 0.00 0.00 0.00 456.00
1999 0.00 0.00 0.00 0.00 16.50 112.50 210.00 70.50 32.50 0.00 0.00 0.00 442.00
2000 0.00 0.00 0.00 0.00 26.50 22.50 89.00 73.37 a 16.03 a 0.00 0.00 0.00 227.40
2001 0.00 0.00 0.00 0.00 7.00 102.50 135.00 177.00 15.00 0.00 0.00 0.00 436.50
2002 0.00 0.00 0.00 0.00 z 5.00 102.00 254.00 93.50 54.50 0.50 0.00 0.00 509.50
2003 0.00 0.00 0.00 z 2.00 0.00 49.50 138.50 143.00 31.50 0.00 0.00 0.00 364.50
2004 0.00 0.00 0.00 0.00 5.50 34.50 90.50 32.50 36.50 0.00 0.00 0.00 199.50
2005 0.00 0.00 0.00 0.00 0.50 150.00 197.00 126.00 63.50 13.00 0.00 0.00 550.00
2006 0.00 0.00 0.00 0.00 35.50 64.00 232.00 88.00 6.50 0.00 0.00 0.00 426.00
2007 0.00 0.00 0.00 1.00 34.50 107.50 165.00 0.00 z 61.00 13.00 0.00 0.00 382.00
2008 0.00 0.00 0.00 0.00 0.00 53.00 131.50 87.00 31.50 0.00 k 0.00 0.00 303.00
2009 0.00 0.00 0.00 0.00 13.00 64.50 28.50 68.00 15.50 0.00 0.00 0.00 189.50
2010 0.00 0.00 0.00 0.00 47.00 62.00 181.50 166.00 10.00 0.00 0.00 0.00 466.50
2011 0.00 0.00 0.00 0.00 c 1.50 47.50 227.50 123.50 30.50 0.50 0.00 0.00 431.00
2012 0.00 0.00 1.50 0.00 24.00 107.50 250.50 97.00 0.00 z 0.00 z 0.00 z 0.00 z 480.50
Period of Record Statistics
MEAN 0.00 0.00 0.05 0.99 14.89 68.46 129.49 89.04 26.24 1.61 0.00 0.00 324.18
S.D. 0.00 0.00 0.42 3.16 17.31 44.65 60.28 43.01 23.41 4.05 0.00 0.00 121.04
SKEW 0.00 0.00 9.01 5.07 1.56 0.78 0.73 0.87 1.35 3.30 0.00 0.00 0.58
MAX 0.00 0.00 4.13 23.50 85.50 205.00 344.50 263.00 129.50 21.50 0.00 0.00 751.50
MIN 0.00 0.00 0.00 0.00 0.00 4.50 0.00 0.00 0.00 0.00 0.00 0.00 39.15
NO YRS 110 112 111 110 110 111 111 111 111 111 108 110 93