CLARK, SOUTH DAKOTA

Monthly Total Cooling Degree Days

(391739)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201204
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 z 0.00 z 0.00 z 0.00 c 25.63 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 t 25.63
1894 0.00 b 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 149.50 n 246.00 92.50 0.00 0.00 0.00 338.50
1895 0.00 z 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 0.00 a 0.00
1896 0.00 a 0.00 a 0.00 3.50 46.50 84.50 h 119.00 118.50 31.50 0.00 z 0.00 z 0.00 z 319.00
1897 0.00 z 0.00 z 0.00 z 0.00 p 10.50 h 0.00 z 0.00 z 10.00 y 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 0.00 0.00 0.00 49.60 a 96.00 131.50 269.50 47.50 0.50 0.00 0.00 594.60
1901 0.00 0.00 0.00 0.00 e 23.50 h 78.50 314.50 174.00 8.00 0.00 0.00 0.00 575.00
1902 0.00 d 0.00 z 0.00 z 0.00 12.00 14.50 169.00 122.00 6.50 0.00 0.00 0.00 324.00
1903 0.00 b 0.00 z 0.00 0.00 z 0.00 z 104.00 165.50 104.00 12.00 0.00 0.00 0.00 385.50
1904 0.00 b 0.00 0.00 0.00 13.50 73.00 98.00 76.00 13.00 2.50 0.00 0.00 276.00
1905 0.00 0.00 0.00 0.00 0.00 45.00 115.50 144.50 38.50 4.50 0.00 0.00 348.00
1906 0.00 0.00 0.00 0.00 26.50 29.00 112.50 92.00 63.00 0.00 0.00 0.00 323.00
1907 0.00 0.00 a 0.00 0.00 0.00 61.00 115.50 141.50 17.00 0.00 a 0.00 0.00 335.00
1908 0.00 0.00 0.00 6.50 9.50 52.50 161.00 106.50 130.00 2.50 0.00 0.00 468.50
1909 0.00 0.00 0.00 0.00 4.00 102.00 115.00 282.00 24.50 3.50 0.00 0.00 531.00
1910 0.00 0.00 0.00 8.50 5.00 149.00 182.00 90.00 11.00 h 19.50 0.00 0.00 454.00
1911 0.00 0.00 0.00 0.00 64.58 a 222.50 155.50 99.00 34.82 b 0.00 a 0.00 0.00 576.40
1912 0.00 0.00 0.00 0.00 5.00 82.00 105.50 47.00 55.50 6.50 0.00 0.00 301.50
1913 0.00 0.00 0.00 7.00 0.00 v 157.50 98.00 235.50 94.50 3.50 0.00 0.00 596.00
1914 0.00 0.00 0.00 0.00 19.50 66.72 a 267.00 160.50 38.00 20.50 0.00 0.00 572.22
1915 0.00 0.00 a 0.00 21.00 8.00 20.50 56.50 63.50 30.50 2.00 0.00 0.00 202.00
1916 0.00 0.00 0.00 0.00 18.50 25.00 351.00 167.50 39.50 0.00 0.00 z 0.00 a 601.50
1917 0.00 0.00 a 0.00 0.00 5.88 b 23.50 214.50 79.50 12.50 0.00 0.00 0.00 335.88
1918 0.00 0.00 0.00 0.00 32.50 103.00 121.00 158.00 3.50 1.50 0.00 0.00 419.50
1919 0.00 0.00 0.00 0.00 26.50 137.50 192.00 105.50 73.50 0.00 0.00 z 0.00 z 535.00
1920 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 84.50 144.50 115.50 86.50 5.00 0.00 0.00 436.00
1921 0.00 0.00 0.00 0.00 20.00 237.50 240.50 140.00 27.50 0.00 0.00 0.00 665.50
1922 0.00 0.00 0.00 0.00 3.00 89.00 151.00 239.50 96.00 28.00 0.00 0.00 606.50
1923 0.00 0.00 0.00 0.00 13.00 160.00 247.50 76.00 24.00 0.00 0.00 0.00 520.50
1924 0.00 0.00 0.00 2.00 0.00 14.50 80.50 97.50 2.50 2.00 0.00 0.00 a 199.00
1925 0.00 0.00 0.00 1.00 59.00 61.00 149.00 241.50 103.00 0.00 0.00 0.00 614.50
1926 0.00 0.00 0.00 2.50 90.50 74.50 197.50 144.00 29.50 0.00 0.00 z 0.00 z 538.50
1927 0.00 z 0.00 z 0.00 z 0.00 z 0.00 92.00 89.00 84.00 168.21 b 0.00 0.00 0.00 433.21
1928 0.00 0.00 0.00 0.00 25.50 27.50 183.00 234.00 15.00 5.50 0.00 0.00 490.50
1929 0.00 0.00 0.00 a 0.00 a 23.50 105.00 283.50 198.50 60.50 0.00 0.00 0.00 671.00
1930 0.00 0.00 0.00 0.00 8.50 66.72 a 348.50 246.50 33.00 11.50 0.00 0.00 714.72
1931 0.00 a 0.00 0.00 5.50 25.50 272.50 383.00 266.00 164.50 4.50 0.00 0.00 1121.50
1932 0.00 a 0.00 0.00 0.00 28.50 106.00 284.00 203.00 20.00 1.50 0.00 0.00 643.00
1933 0.00 0.00 0.00 0.00 12.50 351.50 342.00 174.50 109.00 0.00 0.00 0.00 989.50
1934 0.00 0.00 0.00 10.00 188.00 166.50 329.50 202.50 11.00 6.00 0.00 0.00 913.50
1935 0.00 0.00 0.00 0.00 0.00 47.00 360.00 194.50 51.50 0.00 a 0.00 0.00 a 653.00
1936 0.00 0.00 0.00 0.00 52.50 115.50 522.00 284.00 74.00 0.00 a 0.00 0.00 1048.00
1937 0.00 0.00 0.00 0.00 21.00 71.38 a 281.50 394.00 96.00 2.00 0.00 0.00 865.88
1938 0.00 0.00 0.00 0.00 0.50 89.50 225.00 290.00 89.50 19.50 0.00 0.00 714.00
1939 0.00 0.00 a 0.00 9.50 70.78 a 105.00 287.50 221.13 a 134.50 1.50 0.00 0.00 829.92
1940 0.00 0.00 0.00 0.00 20.15 a 115.50 335.00 148.00 142.00 0.00 0.00 0.00 760.65
1941 0.00 0.00 0.00 1.50 58.00 143.00 299.50 236.63 a 81.00 0.00 0.00 0.00 819.63
1942 0.00 0.00 0.00 5.00 12.00 60.00 162.00 163.50 29.50 0.00 0.00 0.00 432.00
1943 0.00 0.00 0.00 0.00 23.00 137.50 g 266.50 196.00 20.50 1.50 0.00 0.00 507.50
1944 0.00 0.00 0.00 0.00 74.00 120.50 169.00 166.37 a 10.50 0.52 a 0.00 0.00 540.88
1945 0.00 0.00 0.00 4.00 4.50 30.00 156.50 139.00 54.50 0.00 0.00 0.00 388.50
1946 0.00 0.00 0.00 2.50 16.53 a 90.52 a 157.00 103.50 40.50 0.00 0.00 0.00 410.55
1947 0.00 z 0.00 z 0.00 z 0.00 0.00 i 27.00 180.50 311.50 77.00 12.29 b 0.00 0.00 j 608.29
1948 0.00 0.00 0.00 a 0.00 17.50 38.79 a 210.00 171.00 98.57 b 0.00 0.00 0.00 a 535.86
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 271.80 c 78.50 p 5.00 0.00 0.00 a 0.00 276.80
1950 0.00 0.00 0.00 0.00 12.40 a 128.00 91.00 84.50 25.00 0.00 0.00 0.00 340.90
1951 0.00 0.00 0.00 0.00 10.33 a 19.50 155.00 109.50 0.00 a 9.00 0.00 0.00 303.33
1952 0.00 0.00 f 0.00 9.50 17.50 161.00 243.50 171.50 133.00 0.00 0.00 0.00 a 736.00
1953 0.00 0.00 0.00 0.00 27.00 144.00 172.50 203.00 41.50 23.50 0.00 0.00 611.50
1954 0.00 0.00 0.00 0.00 10.50 100.50 306.50 172.00 18.62 a 0.00 0.00 0.00 608.12
1955 0.00 b 0.00 0.00 6.00 54.00 76.50 327.50 308.50 83.50 8.02 b 0.00 0.00 864.02
1956 0.00 0.00 0.00 0.00 25.00 207.00 132.50 142.00 19.00 8.00 0.00 a 0.00 533.50
1957 0.00 0.00 0.00 0.00 6.50 40.50 341.00 204.00 13.00 0.00 0.00 0.00 605.00
1958 0.00 0.00 0.00 2.50 43.00 54.50 138.00 283.50 80.50 7.75 a 0.00 0.00 b 609.75
1959 0.00 0.00 a 0.00 0.00 45.50 215.50 244.50 286.00 55.00 0.00 0.00 0.00 846.50
1960 0.00 0.00 0.00 0.00 12.50 38.00 266.50 214.00 97.00 0.00 0.00 0.00 628.00
1961 0.00 0.00 0.00 0.00 12.50 138.50 147.00 266.00 61.61 b 3.50 0.00 0.00 629.11
1962 0.00 a 0.00 0.00 g 9.00 8.27 a 80.00 c 137.00 175.67 a 11.00 3.50 g 0.00 d 0.00 f 420.93
1963 0.00 0.00 0.00 0.00 13.50 143.28 a 231.00 208.50 39.50 8.50 0.00 0.00 c 644.28
1964 0.00 a 0.00 z 0.00 6.50 0.00 z 0.00 z 327.50 146.50 43.00 0.00 0.00 0.00 523.50
1965 0.00 0.00 0.00 0.50 12.00 40.50 196.50 162.50 11.00 0.00 0.00 0.00 423.00
1966 0.00 0.00 0.00 0.00 18.50 111.00 340.50 103.50 35.50 2.50 0.00 0.00 611.50
1967 0.00 0.00 4.00 0.00 20.00 32.00 177.00 149.50 28.50 8.00 0.00 0.00 419.00
1968 0.00 0.00 0.00 3.50 4.50 129.50 172.00 186.00 24.50 6.50 0.00 0.00 526.50
1969 0.00 0.00 0.00 0.00 53.00 16.00 169.00 234.57 a 67.50 0.00 0.00 0.00 540.07
1970 0.00 0.00 0.00 1.50 24.50 149.00 269.00 238.00 126.50 6.00 0.00 0.00 814.50
1971 0.00 0.00 0.00 1.50 1.50 148.00 125.55 a 237.00 59.50 3.00 0.00 0.00 576.05
1972 0.00 0.00 0.00 0.00 60.50 92.50 139.50 199.50 33.00 0.00 0.00 0.00 525.00
1973 0.00 0.00 0.00 0.00 2.50 116.50 238.50 308.00 28.00 2.50 0.00 z 0.00 a 696.00
1974 0.00 0.00 0.00 0.00 16.50 109.00 392.50 128.50 27.00 4.00 0.00 0.00 677.50
1975 0.00 0.00 0.00 0.00 14.50 95.50 363.00 192.50 25.00 11.00 0.00 0.00 701.50
1976 0.00 0.00 0.00 0.00 3.00 167.00 303.59 b 346.00 95.50 7.50 0.00 0.00 922.59
1977 0.00 0.00 0.00 a 10.50 74.00 122.00 286.50 68.50 31.00 0.00 0.00 0.00 592.50
1978 0.00 0.00 0.00 0.00 24.50 120.50 197.50 233.50 166.50 0.00 0.00 0.00 742.50
1979 0.00 0.00 0.00 0.00 18.50 102.50 177.00 143.00 89.50 0.00 a 0.00 0.00 530.50
1980 0.00 a 0.00 a 0.00 26.00 63.00 112.50 252.50 179.50 61.50 10.50 0.00 0.00 705.50
1981 0.00 b 0.00 0.00 4.50 16.50 74.50 275.79 b 197.00 60.50 0.00 0.00 0.00 628.79
1982 0.00 0.00 0.00 0.50 16.50 26.00 254.50 209.00 39.50 0.00 0.00 0.00 546.00
1983 0.00 0.00 0.00 0.00 5.50 104.00 350.00 388.00 99.50 0.00 0.00 a 0.00 947.00
1984 0.00 0.00 0.00 0.00 13.00 78.50 218.50 250.00 26.00 1.50 0.00 a 0.00 587.50
1985 0.00 0.00 0.00 8.50 45.50 54.00 224.50 66.50 40.00 0.00 a 0.00 0.00 439.00
1986 0.00 0.00 0.00 0.00 23.50 106.50 239.00 84.00 9.50 0.00 0.00 0.00 462.50
1987 0.00 0.00 0.00 12.50 47.00 195.50 293.00 132.50 19.50 0.00 0.00 0.00 700.00
1988 0.00 0.00 0.00 0.00 59.00 270.00 329.00 240.00 33.50 0.00 0.00 0.00 931.50
1989 0.00 0.00 0.00 0.00 8.00 71.50 292.00 175.00 37.00 13.00 0.00 0.00 596.50
1990 0.00 0.00 0.00 16.50 0.50 106.00 141.50 165.00 132.50 0.00 0.00 0.00 562.00
1991 0.00 0.00 0.00 4.50 53.50 147.00 186.50 177.00 30.50 2.50 0.00 0.00 601.50
1992 0.00 0.00 0.00 0.50 46.00 37.50 17.50 58.00 6.50 0.00 0.00 0.00 166.00
1993 0.00 0.00 0.00 0.00 1.50 31.50 78.00 128.00 3.00 1.00 0.00 0.00 243.00
1994 0.00 0.00 0.00 2.00 52.50 89.00 106.50 91.00 57.50 0.00 0.00 0.00 398.50
1995 0.00 0.00 0.00 0.00 0.00 141.50 188.00 204.50 36.50 0.00 0.00 0.00 570.50
1996 0.00 0.00 0.00 0.00 10.00 120.50 121.00 155.50 62.50 0.00 0.00 0.00 469.50
1997 0.00 0.00 0.00 a 0.00 3.50 119.50 198.50 137.50 41.00 5.00 0.00 0.00 505.00
1998 0.00 0.00 0.00 0.00 27.00 50.50 218.00 191.00 102.50 0.00 0.00 0.00 589.00
1999 0.00 0.00 0.00 0.00 b 10.50 77.00 260.00 134.00 21.00 0.00 0.00 0.00 502.50
2000 0.00 0.00 0.00 0.00 20.00 78.00 233.50 188.00 0.00 z 4.00 0.00 0.00 a 523.50
2001 0.00 0.00 0.00 6.50 16.00 111.00 269.70 a 239.50 48.00 0.00 0.00 0.00 690.70
2002 0.00 0.00 0.00 0.50 24.00 162.00 339.50 166.00 105.00 0.00 0.00 0.00 797.00
2003 0.00 0.00 0.00 7.00 7.00 78.00 232.00 249.50 47.50 8.50 0.00 0.00 629.50
2004 0.00 0.00 0.00 0.00 6.00 30.00 160.50 68.00 86.00 0.00 0.00 0.00 350.50
2005 0.00 0.00 0.00 0.00 8.00 125.00 246.00 154.50 91.00 4.50 0.00 0.00 f 629.00
2006 0.00 0.00 0.00 0.00 26.50 124.00 343.00 203.50 14.50 1.50 0.00 0.00 713.00
2007 0.00 0.00 0.00 0.00 29.50 129.00 271.50 140.00 84.00 4.00 0.00 0.00 658.00
2008 0.00 0.00 0.00 0.00 0.00 38.50 200.00 142.50 35.00 0.00 0.00 0.00 416.00
2009 0.00 0.00 0.00 0.00 8.00 85.50 72.50 78.50 23.50 0.00 0.00 0.00 268.00
2010 0.00 0.00 0.00 0.00 33.00 62.50 201.50 268.50 1.50 2.50 0.00 0.00 569.50
2011 0.00 0.00 0.00 0.00 1.50 62.50 313.00 143.78 b 43.00 15.00 0.00 0.00 578.78
2012 0.00 0.00 5.50 3.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 8.50
Period of Record Statistics
MEAN 0.00 0.00 0.09 2.08 24.01 99.10 217.99 177.66 52.59 3.22 0.00 0.00 581.52
S.D. 0.00 0.00 0.65 4.37 25.88 59.41 89.11 72.25 40.12 5.41 0.00 0.00 193.49
SKEW 0.00 0.00 7.45 2.97 2.87 1.26 0.35 0.51 0.96 2.35 0.00 0.00 0.27
MAX 0.00 0.00 5.50 26.00 188.00 351.50 522.00 394.00 168.21 28.00 0.00 0.00 1121.50
MIN 0.00 0.00 0.00 0.00 0.00 14.50 17.50 47.00 0.00 0.00 0.00 0.00 166.00
NO YRS 111 108 109 112 107 109 113 113 112 112 110 109 93