BROOKINGS 2 NE, SOUTH DAKOTA

Monthly Total Cooling Degree Days

(391076)

Base Temperature = 65 F

File last updated on Apr 4, 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 a 0.00 0.00 z 0.00 z 1.00 161.50 221.50 166.88 a 151.50 0.00 0.00 0.00 702.38
1894 0.00 a 0.00 0.00 0.00 43.00 127.50 208.50 122.50 43.00 0.00 0.00 0.00 544.50
1895 0.00 0.00 0.00 0.00 24.00 46.00 150.00 144.00 114.83 a 0.00 0.00 0.00 478.83
1896 0.00 0.00 0.00 0.00 52.50 82.00 170.00 106.84 c 0.00 j 0.00 a 0.00 0.00 411.34
1897 0.00 0.00 0.00 a 1.50 19.50 119.50 206.48 c 45.00 133.50 16.53 a 0.00 a 0.00 542.02
1898 0.00 0.00 0.00 0.00 11.50 96.00 179.00 163.00 63.10 a 0.00 0.00 0.00 512.60
1899 0.00 a 0.00 0.00 3.00 12.50 46.50 152.00 165.50 36.00 0.00 0.00 0.00 415.50
1900 0.00 a 0.00 0.00 0.00 44.95 a 101.50 123.50 285.50 42.00 q 3.00 0.00 0.00 558.45
1901 0.00 0.00 0.00 10.00 29.00 112.76 a 350.00 176.00 30.50 0.00 0.00 0.00 708.26
1902 0.00 0.00 0.00 0.00 23.50 34.50 155.50 64.50 3.50 0.00 0.00 0.00 a 281.50
1903 0.00 0.00 0.00 0.00 7.75 a 34.00 104.50 86.00 21.21 a 0.00 0.00 0.00 253.46
1904 0.00 0.00 0.00 0.00 3.50 36.50 55.50 88.00 21.00 0.00 0.00 0.00 204.50
1905 0.00 0.00 a 0.00 0.00 0.00 55.50 78.53 a 164.50 42.00 4.50 0.00 0.00 345.03
1906 0.00 0.00 0.00 0.00 29.00 36.00 90.50 174.50 67.00 0.00 0.00 0.00 397.00
1907 0.00 0.00 0.00 0.00 a 3.50 87.50 135.50 165.00 34.50 0.50 0.00 0.00 426.50
1908 0.00 0.00 0.00 7.50 10.50 51.00 168.50 94.00 168.00 2.50 0.00 0.00 502.00
1909 0.00 0.00 0.00 0.00 3.00 94.00 171.02 a 289.00 39.00 12.00 0.00 0.00 d 608.02
1910 0.00 u 0.00 d 2.50 14.00 0.00 160.50 204.00 113.00 32.00 11.50 0.00 0.00 537.50
1911 0.00 0.00 0.00 0.00 78.50 265.50 213.00 110.50 48.50 0.00 0.00 a 0.00 716.00
1912 0.00 0.00 0.00 0.00 6.50 79.00 189.00 79.00 68.00 5.68 a 0.00 0.00 427.18
1913 0.00 0.00 0.00 b 7.50 35.50 168.00 151.38 a 221.00 117.93 a 0.00 z 0.00 0.00 701.31
1914 0.00 0.00 0.00 2.59 a 20.31 b 101.50 287.00 174.50 30.00 7.75 a 0.00 0.00 623.65
1915 0.00 0.00 0.00 a 4.00 8.00 27.00 70.50 53.50 19.82 b 0.00 0.00 0.00 182.82
1916 0.00 0.00 0.00 0.00 27.50 33.00 402.50 213.50 60.50 0.00 0.00 0.00 737.00
1917 0.00 0.00 0.00 0.00 12.40 a 49.50 230.50 100.00 18.62 a 0.00 0.00 0.00 411.02
1918 0.00 0.00 a 0.00 0.00 62.00 124.00 181.00 214.42 a 3.62 a 5.00 0.00 0.00 590.04
1919 0.00 0.00 a 0.00 0.00 25.00 185.00 267.00 133.00 68.79 a 0.00 0.00 0.00 678.79
1920 0.00 0.00 0.00 0.00 20.50 131.00 185.00 112.50 85.50 9.50 0.00 a 0.00 544.00
1921 0.00 0.00 0.00 0.00 35.00 222.00 286.00 179.28 a 40.00 0.00 a 0.00 0.00 762.28
1922 0.00 0.00 0.00 b 0.00 25.00 150.50 133.00 246.50 119.00 27.00 0.00 0.00 701.00
1923 0.00 0.00 0.00 1.55 a 27.50 172.00 283.00 114.59 c 48.33 c 0.00 0.00 0.00 646.97
1924 0.00 a 0.00 0.00 8.28 a 0.50 51.00 115.00 140.00 8.00 4.13 a 0.00 0.00 326.91
1925 0.00 0.00 0.00 9.00 55.50 92.50 174.00 94.00 o 149.00 0.00 0.00 0.00 480.00
1926 0.00 0.00 0.00 4.14 a 117.50 92.50 233.53 a 188.07 a 53.00 0.50 0.00 0.00 689.24
1927 0.00 0.00 0.00 0.00 b 4.50 110.00 119.87 a 89.00 169.50 0.00 0.00 0.00 492.87
1928 0.00 0.00 0.00 0.00 29.97 a 16.50 214.50 202.00 23.00 13.00 0.00 0.00 498.97
1929 0.00 a 0.00 0.00 0.50 26.50 109.00 250.50 208.00 56.00 0.00 0.00 0.00 650.50
1930 0.00 0.00 0.00 3.00 23.50 102.00 372.00 a 281.07 a 48.50 15.00 0.00 0.00 845.07
1931 0.00 0.00 0.00 7.24 a 52.00 298.50 349.50 222.00 179.00 6.00 0.00 0.00 1114.24
1932 0.00 a 0.00 0.00 0.50 53.00 153.00 306.00 200.98 a 29.50 0.00 0.00 0.00 742.98
1933 0.00 0.00 a 0.00 0.00 33.50 387.41 a 353.92 a 172.50 120.50 0.00 0.00 0.00 1067.83
1934 0.00 0.00 0.00 12.00 225.50 210.50 341.00 216.00 14.50 4.50 0.00 0.00 a 1024.00
1935 0.00 0.00 0.00 0.00 0.00 76.50 430.00 281.50 71.50 2.00 0.00 0.00 861.50
1936 0.00 0.00 0.00 0.00 73.50 159.50 525.00 324.50 115.00 0.00 0.00 0.00 1197.50
1937 0.00 0.00 0.00 0.00 38.00 107.50 332.00 400.50 101.50 3.50 0.00 0.00 983.00
1938 0.00 0.00 0.00 2.50 10.00 138.50 295.50 332.50 98.00 31.00 0.00 0.00 908.00
1939 0.00 0.00 0.00 10.00 89.00 158.50 382.00 235.50 217.50 b 0.52 a 0.00 0.00 1093.02
1940 0.00 0.00 a 0.00 0.00 23.50 121.50 338.00 180.00 148.50 0.00 0.00 0.00 811.50
1941 0.00 0.00 0.00 2.00 61.50 143.00 294.00 297.00 101.50 0.00 0.00 0.00 899.00
1942 0.00 0.00 0.00 3.50 20.00 83.50 189.50 177.22 a 35.00 0.50 0.00 0.00 509.22
1943 0.00 0.00 0.00 0.00 32.50 159.50 256.00 206.00 20.50 2.00 0.00 0.00 676.50
1944 0.00 0.00 0.00 0.00 73.00 148.50 167.00 174.50 18.50 0.00 0.00 0.00 581.50
1945 0.00 0.00 0.00 0.00 6.50 42.00 185.00 194.00 65.00 0.50 0.00 0.00 493.00
1946 0.00 0.00 0.00 2.07 a 7.50 169.50 217.00 122.00 34.50 0.00 0.00 0.00 552.57
1947 0.00 0.00 0.00 0.00 0.00 a 47.00 206.50 374.50 140.50 25.00 0.00 0.00 793.50
1948 0.00 0.00 0.00 3.50 20.00 46.50 239.00 223.00 87.22 c 0.00 0.00 0.00 a 619.22
1949 0.00 0.00 0.00 0.00 49.50 154.14 a 317.00 274.00 10.50 0.00 b 0.00 0.00 805.14
1950 0.00 0.00 0.00 0.00 a 19.50 137.50 100.50 92.50 35.69 a 3.50 0.00 0.00 389.19
1951 0.00 0.00 0.00 a 12.50 4.50 38.00 146.50 106.95 a 0.00 7.48 b 0.00 0.00 315.93
1952 0.00 0.00 0.00 5.50 21.50 163.50 211.00 128.00 83.00 0.00 0.00 0.00 612.50
1953 0.00 0.00 b 0.00 0.00 27.50 143.50 179.50 181.50 47.50 11.00 0.00 0.00 b 590.50
1954 0.00 0.00 0.00 b 0.00 a 9.00 116.50 258.00 122.00 20.50 0.00 0.00 0.00 526.00
1955 0.00 0.00 0.00 1.55 a 31.50 59.50 369.86 b 277.50 76.03 a 3.21 b 0.00 0.00 b 819.16
1956 0.00 0.00 0.00 a 0.00 31.00 221.50 104.50 128.50 30.00 9.50 0.00 0.00 525.00
1957 0.00 0.00 a 0.00 a 0.00 8.50 29.00 335.00 162.50 9.50 0.00 0.00 0.00 544.50
1958 0.00 a 0.00 0.00 0.52 a 49.00 63.50 120.50 231.00 48.75 b 7.50 0.00 0.00 520.77
1959 0.00 0.00 0.00 0.00 41.50 183.50 205.50 301.50 69.11 b 0.00 0.00 0.00 b 801.11
1960 0.00 0.00 0.00 a 3.89 c 15.50 36.11 c 203.00 153.00 79.00 1.07 b 0.00 e 0.00 491.57
1961 0.00 0.00 0.00 0.00 10.00 108.50 125.50 187.50 45.00 b 1.00 0.00 0.00 477.50
1962 0.00 0.00 c 0.00 d 9.50 23.50 70.96 d 126.50 126.50 5.50 5.00 0.00 0.00 367.46
1963 0.00 0.00 0.00 5.00 18.50 165.00 185.50 154.50 30.50 2.00 0.00 0.00 a 561.00
1964 0.00 0.00 0.00 b 2.00 49.00 114.00 265.50 119.50 24.83 a 0.00 0.00 0.00 574.83
1965 0.00 0.00 0.00 c 1.50 6.50 58.50 160.50 126.50 8.50 0.00 0.00 0.00 362.00
1966 0.00 0.00 0.00 c 0.00 13.00 105.00 312.00 117.00 33.50 0.00 0.00 0.00 580.50
1967 0.00 0.00 0.00 a 0.00 23.00 46.50 141.50 94.50 3.50 0.00 0.00 0.00 309.00
1968 0.00 0.00 0.00 0.00 4.00 126.00 143.00 140.00 13.00 1.50 0.00 0.00 a 427.50
1969 0.00 c 0.00 b 0.00 0.00 42.50 13.00 158.00 166.50 27.00 0.00 0.00 0.00 407.00
1970 0.00 0.00 0.00 5.00 22.50 124.00 209.00 139.00 61.03 a 2.00 0.00 0.00 562.53
1971 0.00 0.00 0.00 0.00 5.00 145.00 90.00 166.00 56.00 0.00 0.00 0.00 462.00
1972 0.00 0.00 0.00 0.00 39.50 68.50 113.50 163.50 14.00 0.00 0.00 0.00 399.00
1973 0.00 0.00 0.00 0.00 4.50 108.50 175.50 220.50 27.00 3.50 0.00 0.00 539.50
1974 0.00 0.00 0.00 2.00 11.88 a 83.28 a 293.98 a 71.00 11.90 a 0.00 0.00 0.00 474.04
1975 0.00 e 0.00 0.00 d 0.00 24.00 81.00 285.50 148.80 a 10.50 4.00 0.00 d 0.00 553.80
1976 0.00 0.00 0.00 0.00 1.50 134.00 256.78 a 220.62 a 68.50 1.03 a 0.00 0.00 682.43
1977 0.00 0.00 0.00 a 2.07 a 70.02 b 90.00 228.50 41.00 11.00 0.00 0.00 c 0.00 a 442.59
1978 0.00 0.00 0.00 0.00 23.25 a 91.03 a 158.50 144.50 112.50 0.00 0.00 0.00 529.78
1979 0.00 0.00 0.00 a 0.00 14.00 62.50 159.50 93.50 45.50 0.00 0.00 0.00 375.00
1980 0.00 a 0.00 0.00 a 3.62 a 31.00 79.50 183.00 125.50 39.00 3.00 0.00 a 0.00 464.62
1981 0.00 0.00 0.00 0.00 a 7.23 a 76.50 192.00 112.00 17.22 c 0.00 0.00 0.00 404.96
1982 0.00 0.00 0.00 0.00 6.50 27.00 193.50 144.00 22.00 0.00 0.00 0.00 393.00
1983 0.00 0.00 0.00 0.00 3.00 89.00 286.50 306.50 70.50 4.50 0.00 0.00 760.00
1984 0.00 0.00 0.00 0.00 9.50 55.00 166.00 186.50 19.00 0.00 0.00 0.00 436.00
1985 0.00 0.00 0.00 11.00 29.50 54.00 120.00 48.50 45.50 0.00 0.00 0.00 308.50
1986 0.00 0.00 0.00 0.00 10.00 113.00 202.50 46.50 9.50 0.00 0.00 0.00 381.50
1987 0.00 0.00 0.00 8.50 50.00 160.00 250.50 111.50 15.50 0.00 0.00 0.00 596.00
1988 0.00 0.00 0.00 0.00 51.50 235.50 241.50 212.50 25.00 0.00 0.00 0.00 766.00
1989 0.00 0.00 0.00 1.00 10.00 79.50 234.00 136.00 34.00 5.50 0.00 0.00 500.00
1990 0.00 0.00 0.00 17.00 1.00 108.50 129.50 122.50 92.50 0.00 0.00 0.00 471.00
1991 0.00 0.00 0.00 1.00 64.00 191.00 171.50 160.00 46.00 0.00 0.00 0.00 633.50
1992 0.00 0.00 0.00 0.00 40.30 a 38.00 17.00 50.50 7.50 0.50 0.00 0.00 153.80
1993 0.00 0.00 0.00 0.00 2.00 39.00 99.50 122.50 1.50 0.00 0.00 0.00 264.50
1994 0.00 0.00 0.00 0.00 46.00 71.50 84.00 72.00 51.00 0.00 0.00 0.00 324.50
1995 0.00 0.00 0.00 0.00 0.00 134.50 180.50 216.00 24.50 0.00 0.00 0.00 555.50
1996 0.00 0.00 0.00 0.00 20.00 119.50 98.00 104.50 44.50 0.00 0.00 0.00 386.50
1997 0.00 0.00 0.00 0.00 5.50 112.00 201.00 119.50 43.00 18.00 0.00 0.00 499.00
1998 0.00 0.00 0.00 0.00 49.50 70.00 168.50 136.50 83.50 0.00 0.00 0.00 508.00
1999 0.00 0.00 0.00 0.00 15.50 115.50 260.00 118.50 39.00 0.00 0.00 0.00 548.50
2000 0.00 0.00 0.00 0.00 17.50 83.00 196.00 157.00 28.50 0.00 0.00 0.00 482.00
2001 0.00 0.00 0.00 8.00 20.50 125.00 258.50 0.00 z 42.00 0.00 0.00 0.00 454.00
2002 0.00 0.00 0.00 7.50 21.00 178.50 330.00 147.00 93.00 1.00 0.00 0.00 778.00
2003 0.00 0.00 0.00 4.00 1.50 74.50 175.50 185.00 0.00 z 5.50 0.00 0.00 446.00
2004 0.00 0.00 0.00 0.00 15.00 52.00 141.00 55.50 77.50 0.00 0.00 0.00 341.00
2005 0.00 0.00 0.00 0.00 13.50 146.50 234.50 124.00 94.00 7.00 0.00 0.00 619.50
2006 0.00 0.00 0.00 0.50 41.00 93.00 268.00 143.00 10.00 1.50 0.00 0.00 557.00
2007 0.00 0.00 0.00 2.00 41.50 135.50 219.50 133.00 85.00 14.00 0.00 0.00 630.50
2008 0.00 0.00 0.00 0.00 0.00 40.50 199.00 131.50 48.00 0.00 0.00 0.00 419.00
2009 0.00 0.00 0.00 0.00 18.00 95.50 63.00 84.50 26.50 0.00 0.00 0.00 287.50
2010 0.00 0.00 0.00 0.00 45.00 74.50 201.50 257.00 3.50 2.50 0.00 0.00 584.00
2011 0.00 0.00 0.00 a 0.00 7.23 a 89.00 338.50 137.00 39.50 19.00 0.00 0.00 630.23
2012 0.00 0.00 8.00 4.50 36.00 161.50 378.00 143.63 a 45.00 a 0.00 0.00 0.00 776.63
2013 0.00 a 0.00 0.00 u 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 0.09 2.01 26.86 107.28 210.93 162.36 53.64 3.02 0.00 0.00 563.94
S.D. 0.00 0.00 0.77 3.56 28.26 60.24 88.39 71.36 43.88 5.79 0.00 0.00 202.38
SKEW 0.00 0.00 9.62 2.02 3.40 1.30 0.64 0.85 1.31 2.68 0.00 0.00 0.74
MAX 0.00 0.00 8.00 17.00 225.50 387.41 525.00 400.50 217.50 31.00 0.00 0.00 1197.50
MIN 0.00 0.00 0.00 0.00 0.00 13.00 17.00 41.00 0.00 0.00 0.00 0.00 153.80
NO YRS 120 121 119 119 120 120 120 118 117 119 120 120 112