CASTLEWOOD, SOUTH DAKOTA

Monthly Total Cooling Degree Days

(391519)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201111
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 a 4.00 118.00 175.00 146.00 89.00 0.00 x 0.00 0.00 532.00
1894 0.00 0.00 0.00 a 0.00 k 29.50 m 174.00 266.60 a 108.00 j 0.00 z 0.00 j 0.00 0.00 440.60
1895 0.00 0.00 0.00 c 0.00 47.03 b 48.50 161.50 122.00 122.50 0.00 b 0.00 a 0.00 501.53
1896 0.00 0.00 a 0.00 3.00 0.00 z 84.50 106.84 c 157.58 a 7.00 p 0.00 d 0.00 d 0.00 351.92
1897 0.00 a 0.00 0.00 3.00 18.60 a 112.50 220.50 44.12 e 151.61 b 6.41 b 0.00 q 0.00 556.74
1898 0.00 0.00 m 0.00 d 0.00 c 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 b 0.00 0.00
1906 0.00 0.00 0.00 0.00 17.00 33.50 74.00 138.00 55.50 0.00 0.00 0.00 318.00
1907 0.00 0.00 a 0.00 0.00 0.00 48.50 80.00 128.00 17.00 0.00 0.00 0.00 273.50
1908 0.00 0.00 0.00 4.00 8.00 42.00 126.50 73.00 131.00 0.00 0.00 0.00 384.50
1909 0.00 0.00 0.00 0.00 1.50 81.00 128.50 246.50 28.50 7.00 0.00 0.00 493.00
1910 0.00 0.00 0.00 4.50 0.00 128.50 149.50 75.50 23.50 10.50 0.00 z 0.00 392.00
1911 0.00 0.00 0.00 0.00 64.00 220.00 159.50 87.50 31.00 0.00 0.00 0.00 562.00
1912 0.00 0.00 0.00 0.00 5.00 77.00 147.00 68.00 79.00 4.50 0.00 0.00 380.50
1913 0.00 0.00 0.00 10.50 35.00 156.50 114.00 210.00 101.00 11.50 0.00 0.00 638.50
1914 0.00 0.00 0.00 1.00 20.00 56.00 260.50 156.00 30.00 14.50 0.00 0.00 538.00
1915 0.00 0.00 0.00 3.50 10.50 22.50 64.00 50.50 32.00 0.00 0.00 0.00 183.00
1916 0.00 0.00 0.00 0.00 24.50 28.00 355.50 174.00 39.50 0.00 0.00 0.00 621.50
1917 0.00 0.00 0.00 0.00 6.00 37.50 213.00 84.00 14.00 0.00 0.00 0.00 354.50
1918 0.00 0.00 0.00 0.00 30.50 87.50 131.00 158.50 3.50 2.00 0.00 0.00 413.00
1919 0.00 0.00 0.00 0.00 16.00 152.50 212.50 121.50 56.50 0.00 0.00 0.00 559.00
1920 0.00 0.00 0.00 0.00 5.00 95.00 126.00 79.50 62.00 7.00 0.00 0.00 374.50
1921 0.00 0.00 0.00 0.00 24.50 218.00 242.00 135.50 24.00 0.00 0.00 0.00 644.00
1922 0.00 0.00 0.00 0.00 13.50 97.00 131.50 232.00 103.50 19.50 0.00 0.00 597.00
1923 0.00 0.00 0.00 0.00 18.00 140.00 246.50 88.50 47.50 0.00 0.00 0.00 540.50
1924 0.00 0.00 0.00 4.50 0.00 31.50 76.50 103.50 2.00 2.00 0.00 0.00 220.00
1925 0.00 0.00 0.00 1.50 54.00 71.50 131.00 207.00 121.50 0.00 0.00 0.00 586.50
1926 0.00 0.00 0.00 2.00 81.00 69.50 210.50 128.50 28.00 0.00 0.00 0.00 519.50
1927 0.00 0.00 a 0.00 0.00 1.00 94.50 75.00 72.50 136.50 0.00 0.00 0.00 379.50
1928 0.00 0.00 0.00 0.00 25.50 14.00 174.50 164.50 11.50 4.50 0.00 0.00 394.50
1929 0.00 0.00 0.00 0.00 25.00 81.00 197.50 152.50 56.00 0.00 0.00 0.00 512.00
1930 0.00 0.00 0.00 0.00 13.00 63.50 305.00 239.50 36.50 10.50 0.00 0.00 668.00
1931 0.00 0.00 0.00 3.50 26.50 260.00 287.00 171.50 160.50 2.00 0.00 0.00 911.00
1932 0.00 0.00 0.00 0.00 33.50 105.00 234.00 175.00 18.00 0.00 0.00 0.00 565.50
1933 0.00 0.00 0.00 0.00 21.00 313.00 299.00 134.50 109.00 0.00 0.00 0.00 876.50
1934 0.00 0.00 0.00 12.50 192.50 182.00 306.50 189.50 14.50 0.50 0.00 0.00 898.00
1935 0.00 0.00 0.00 0.00 0.00 51.50 374.50 240.50 63.00 1.00 0.00 a 0.00 730.50
1936 0.00 0.00 0.00 0.00 67.00 133.50 498.00 294.50 a 116.50 0.00 0.00 0.00 1109.50
1937 0.00 0.00 0.00 0.00 33.00 77.00 281.00 341.50 99.31 a 2.00 0.00 0.00 833.81
1938 0.00 0.00 0.00 3.00 4.00 112.24 a 224.00 271.50 74.50 20.67 a 0.00 0.00 709.91
1939 0.00 0.00 0.00 6.00 63.00 90.00 254.00 177.00 134.00 1.50 0.00 0.00 725.50
1940 0.00 0.00 0.00 0.00 20.00 95.00 313.00 136.00 109.00 0.00 0.00 0.00 673.00
1941 0.00 0.00 0.00 2.00 53.50 129.00 309.00 282.00 130.00 0.00 0.00 0.00 905.50
1942 0.00 0.00 0.00 3.00 9.00 60.50 139.50 137.50 25.00 0.00 0.00 0.00 374.50
1943 0.00 0.00 0.00 0.00 17.00 123.00 187.00 152.50 9.00 0.00 0.00 0.00 488.50
1944 0.00 0.00 0.00 0.00 56.00 100.50 121.50 118.50 3.50 0.00 0.00 0.00 400.00
1945 0.00 0.00 0.00 0.00 3.50 29.50 146.00 143.50 60.50 0.00 0.00 0.00 383.00
1946 0.00 0.00 0.00 4.50 8.00 k 161.50 204.50 129.00 35.00 0.00 0.00 0.00 534.50
1947 0.00 0.00 0.00 0.00 0.00 34.66 a 184.40 b 344.50 0.00 z 5.00 0.00 0.00 e 568.55
1948 0.00 g 0.00 g 0.00 b 1.07 b 0.00 z 14.40 e 176.04 c 186.00 h 102.78 c 0.00 d 0.00 l 0.00 a 294.28
1949 0.00 d 0.00 d 0.00 b 0.00 d 22.50 f 97.78 c 91.00 p 208.06 e 3.33 c 0.00 h 0.00 d 0.00 a 309.17
1950 0.00 z 0.00 d 0.00 g 0.00 z 17.71 c 115.00 88.00 89.00 21.50 0.00 0.00 0.00 331.21
1951 0.00 0.00 0.00 0.50 0.00 c 31.00 134.33 d 100.20 c 0.50 j 5.96 e 0.00 c 0.00 271.99
1952 0.00 b 0.00 a 0.00 b 6.67 c 5.74 d 156.96 b 190.50 f 153.50 87.93 a 0.00 0.00 a 0.00 c 410.80
1953 0.00 b 0.00 f 0.00 c 0.00 b 18.50 138.50 159.81 b 183.00 52.22 c 14.43 b 0.00 0.00 b 566.46
1954 0.00 a 0.00 c 0.00 c 0.00 4.00 107.59 a 164.00 h 135.22 b 26.67 c 0.00 0.00 b 0.00 a 273.48
1955 0.00 a 0.00 d 0.00 c 0.54 b 43.06 d 69.83 a 339.34 c 278.45 c 80.36 b 3.88 c 0.00 0.00 815.44
1956 0.00 b 0.00 c 0.00 0.00 15.00 194.00 109.07 d 138.47 a 20.00 c 10.91 d 0.00 b 0.00 487.45
1957 0.00 a 0.00 c 0.00 b 0.00 3.74 b 43.39 b 308.40 b 184.89 c 7.50 0.00 a 0.00 0.00 b 547.92
1958 0.00 a 0.00 a 0.00 0.00 a 39.27 a 50.00 c 107.39 c 192.56 e 57.86 b 1.11 c 0.00 0.00 a 448.18
1959 0.00 0.00 a 0.00 c 0.00 36.00 182.50 195.00 306.68 c 64.82 b 0.00 0.00 0.00 785.00
1960 0.00 a 0.00 0.00 0.00 15.50 e 31.00 226.41 c 196.33 a 78.62 a 0.00 a 0.00 0.00 a 547.86
1961 0.00 0.00 0.00 a 0.00 8.27 a 119.48 a 107.00 202.00 34.04 d 0.00 0.00 0.00 c 470.79
1962 0.00 0.00 0.00 a 3.75 b 8.30 c 68.50 121.42 a 145.38 b 8.33 c 5.50 0.00 0.00 b 361.18
1963 0.00 0.00 0.00 b 0.00 19.63 a 152.59 a 200.43 b 184.89 c 36.50 4.65 a 0.00 a 0.00 598.69
1964 0.00 0.00 0.00 0.00 a 50.12 a 143.04 b 323.00 152.33 b 39.83 a 2.07 a 0.00 0.00 710.37
1965 0.00 0.00 0.00 2.00 9.82 a 59.00 183.33 b 160.17 a 3.89 c 0.00 0.00 0.00 418.20
1966 0.00 0.00 0.00 a 0.00 11.37 a 117.50 334.80 a 117.59 b 29.48 a 0.00 0.00 0.00 b 610.74
1967 0.00 b 0.00 a 6.09 c 0.00 32.00 53.04 b 174.63 a 141.57 a 16.55 a 8.50 0.00 a 0.00 432.38
1968 0.00 0.00 0.00 b 0.00 b 8.78 a 145.34 a 0.00 z 184.93 b 20.89 b 5.50 0.00 b 0.00 a 365.45
1969 0.00 a 0.00 a 0.00 a 0.00 a 54.25 a 29.42 d 191.34 b 224.23 a 48.00 0.00 b 0.00 0.00 b 547.25
1970 0.00 0.00 0.00 b 3.62 a 34.00 156.50 253.50 228.76 b 111.00 9.50 0.00 b 0.00 796.88
1971 0.00 0.00 0.00 1.07 b 0.53 b 183.21 b 134.50 212.72 b 71.11 c 4.00 0.00 a 0.00 607.16
1972 0.00 b 0.00 a 0.00 a 0.00 a 54.77 a 112.00 154.50 185.50 35.17 a 0.00 a 0.00 0.00 541.94
1973 0.00 a 0.00 a 0.00 c 0.00 5.50 114.50 232.00 293.50 29.48 a 3.00 0.00 a 0.00 677.98
1974 0.00 0.00 0.00 0.00 21.38 b 97.50 376.00 127.62 a 19.66 a 0.00 0.00 0.00 a 642.15
1975 0.00 0.00 b 0.00 0.00 a 22.50 107.59 a 321.00 193.23 a 22.24 a 4.50 0.00 0.00 671.06
1976 0.00 0.00 a 0.00 1.00 4.13 a 161.00 342.00 334.59 b 86.00 8.50 0.00 0.00 937.22
1977 0.00 b 0.00 a 0.00 8.00 79.50 121.03 a 276.50 81.50 28.97 a 0.00 0.00 0.00 595.50
1978 0.00 b 0.00 a 0.00 b 0.00 a 27.00 119.50 207.70 a 195.82 a 131.38 a 0.00 0.00 0.00 b 681.40
1979 0.00 b 0.00 0.00 0.00 a 17.00 105.50 201.50 132.27 a 73.50 0.00 d 0.00 0.00 529.77
1980 0.00 a 0.00 a 0.00 a 13.85 d 45.95 c 98.00 224.00 179.80 a 55.34 a 5.34 b 0.00 e 0.00 b 622.28
1981 0.00 0.00 b 0.00 b 6.21 a 12.73 c 67.24 a 248.00 c 177.45 b 28.97 a 0.00 b 0.00 b 0.00 c 540.59
1982 0.00 0.00 0.00 1.00 14.50 38.50 243.00 203.00 36.50 0.00 0.00 0.00 536.50
1983 0.00 0.00 0.00 0.00 5.00 113.50 335.00 404.50 97.50 1.50 0.00 0.00 957.00
1984 0.00 0.00 0.00 0.00 12.50 91.00 224.50 249.00 32.50 0.00 0.00 0.00 609.50
1985 0.00 0.00 0.00 12.00 56.50 57.00 199.50 65.00 58.50 0.00 0.00 0.00 448.50
1986 0.00 0.00 0.00 0.00 23.50 155.00 255.00 106.00 17.00 0.00 z 0.00 j 0.00 556.50
1987 0.00 0.00 0.00 9.00 48.00 172.00 271.50 122.00 18.00 0.00 0.00 0.00 640.50
1988 0.00 0.00 0.00 0.50 52.00 252.50 299.50 220.00 27.50 0.00 0.00 0.00 852.00
1989 0.00 0.00 0.00 1.50 7.00 75.00 285.00 154.50 34.00 6.00 0.00 0.00 563.00
1990 0.00 0.00 0.00 15.50 0.00 108.00 145.50 130.50 97.50 0.00 0.00 0.00 497.00
1991 0.00 0.00 0.00 2.00 63.50 162.50 172.50 154.00 34.50 0.00 0.00 0.00 589.00
1992 0.00 0.00 0.00 0.00 33.00 44.50 12.50 48.50 6.00 0.00 0.00 0.00 144.50
1993 0.00 0.00 0.00 0.00 0.50 31.00 74.00 109.50 2.50 0.00 0.00 0.00 217.50
1994 0.00 0.00 0.00 0.00 39.00 64.50 84.00 72.50 52.00 0.00 0.00 0.00 312.00
1995 0.00 0.00 j 0.00 0.00 0.00 134.00 176.50 168.00 20.00 0.00 z 0.00 0.00 498.50
1996 0.00 0.00 j 0.00 0.00 11.00 107.50 85.00 90.00 45.00 0.00 0.00 0.00 338.50
1997 0.00 0.00 0.00 0.00 0.50 87.00 177.50 110.00 28.00 10.50 0.00 0.00 413.50
1998 0.00 0.00 0.00 0.50 25.00 50.50 173.00 140.00 76.00 0.00 0.00 p 0.00 i 465.00
1999 0.00 a 0.00 0.00 0.00 3.32 c 105.00 b 255.00 104.00 28.00 0.00 0.00 d 0.00 495.32
2000 0.00 e 0.00 0.00 d 0.00 20.00 72.00 182.00 141.00 17.00 0.00 d 0.00 0.00 q 432.00
2001 0.00 a 0.00 0.00 c 5.36 b 13.50 122.59 a 252.50 0.00 z 26.50 0.00 0.00 a 0.00 420.44
2002 0.00 0.00 0.00 9.00 23.50 194.50 319.00 151.00 79.50 0.00 z 0.00 0.00 776.50
2003 0.00 0.00 0.00 2.00 2.50 69.50 183.50 179.00 30.00 5.00 0.00 0.00 471.50
2004 0.00 0.00 0.00 0.00 7.50 30.00 129.00 50.00 79.00 0.00 0.00 0.00 295.50
2005 0.00 0.00 0.00 0.00 8.00 126.50 230.00 122.00 64.50 5.00 0.00 0.00 556.00
2006 0.00 0.00 0.00 0.00 36.50 66.50 260.50 124.00 10.00 1.00 0.00 0.00 498.50
2007 0.00 0.00 0.00 0.00 18.00 107.50 191.00 83.00 70.50 7.50 0.00 0.00 477.50
2008 0.00 0.00 0.00 0.00 1.00 17.00 167.00 83.00 21.00 j 0.00 0.00 0.00 268.00
2009 0.00 a 0.00 0.00 0.00 8.02 b 75.50 32.60 b 54.50 14.50 0.00 0.00 0.00 a 185.12
2010 0.00 0.00 g 0.00 h 0.00 37.00 66.50 191.00 241.00 2.00 0.50 0.00 0.00 538.00
2011 0.00 0.00 0.00 0.00 6.20 a 79.00 331.00 191.17 d 59.00 32.50 0.00 z 0.00 z 698.87
Period of Record Statistics
MEAN 0.00 0.00 0.06 1.62 23.30 100.73 203.86 160.89 51.82 2.85 0.00 0.00 553.80
S.D. 0.00 0.00 0.58 3.21 25.76 56.16 86.15 70.56 39.23 5.21 0.00 0.00 189.65
SKEW 0.00 0.00 10.34 2.47 3.06 0.94 0.38 0.86 0.83 2.84 0.00 0.00 0.35
MAX 0.00 0.00 6.09 15.50 192.50 313.00 498.00 404.50 160.50 32.50 0.00 0.00 1109.50
MIN 0.00 0.00 0.00 0.00 0.00 14.00 12.50 44.12 2.00 0.00 0.00 0.00 144.50
NO YRS 110 106 110 110 106 111 107 108 106 105 106 109 86