STERLING, COLORADO

Monthly Total Cooling Degree Days

(057950)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201104
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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1909 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 j 0.00 0.00
1910 0.00 0.00 0.00 2.00 0.00 114.00 182.50 180.32 a 69.44 c 2.00 0.00 0.00 550.26
1911 0.00 a 0.00 0.00 0.00 23.50 148.00 182.50 161.50 59.00 0.00 0.00 0.00 574.50
1912 0.00 a 0.00 a 0.00 0.00 11.50 43.50 193.50 147.00 23.50 0.00 0.00 0.00 419.00
1913 0.00 0.00 0.00 0.00 34.10 a 105.50 140.50 163.00 25.00 0.00 0.00 0.00 468.10
1914 0.00 0.00 0.00 0.00 1.00 107.00 217.50 183.00 44.00 0.00 0.00 0.00 552.50
1915 0.00 0.00 0.00 0.00 8.00 24.00 139.00 67.50 28.50 0.00 0.00 0.00 267.00
1916 0.00 0.00 a 0.00 0.00 a 3.50 75.00 305.87 a 324.93 d 39.00 j 0.00 b 0.00 b 0.00 709.29
1917 0.00 0.00 0.00 1.50 25.50 128.00 366.00 114.50 69.00 1.00 0.00 0.00 705.50
1918 0.00 0.00 0.00 0.00 32.79 e 241.73 d 215.50 320.50 75.50 24.69 d 0.00 z 0.00 910.70
1919 0.00 0.00 0.00 0.00 3.50 182.78 c 319.30 a 210.50 101.00 0.00 0.00 0.00 817.08
1920 0.00 0.00 0.00 0.00 18.00 114.31 a 231.98 a 96.21 b 41.00 1.50 0.00 e 0.00 503.00
1921 0.00 g 0.00 a 0.00 a 0.00 18.00 162.00 363.00 64.50 g 31.00 0.00 0.00 0.00 574.00
1922 0.00 0.00 0.00 0.00 1.00 137.50 164.50 233.50 42.00 1.50 0.00 0.00 580.00
1923 0.00 0.00 0.00 0.00 6.00 70.50 211.50 106.84 c 3.50 0.00 0.00 a 0.00 398.34
1924 0.00 0.00 0.00 0.00 0.00 63.50 129.50 172.00 19.00 0.00 0.00 0.00 384.00
1925 0.00 0.00 0.00 0.00 36.00 131.00 252.50 160.00 71.38 a 4.50 0.00 0.00 655.38
1926 0.00 0.00 0.00 0.00 16.50 84.50 203.50 217.60 e 33.00 0.00 0.00 0.00 555.10
1927 0.00 0.00 0.00 4.00 21.00 107.50 169.50 75.50 77.50 0.00 0.00 0.00 455.00
1928 0.00 0.00 0.00 0.00 30.50 21.00 190.00 159.00 24.50 0.00 0.00 0.00 425.00
1929 0.00 0.00 a 0.00 0.00 10.00 89.50 250.50 253.00 34.50 0.00 0.00 k 0.00 637.50
1930 0.00 0.00 0.00 0.00 a 6.20 a 127.00 283.50 217.00 42.00 0.00 0.00 0.00 675.70
1931 0.00 0.00 0.00 14.00 25.00 240.50 327.00 206.50 137.00 0.00 0.00 0.00 950.00
1932 0.00 0.00 a 0.00 5.50 29.00 100.00 341.50 285.00 43.50 1.00 0.00 0.00 805.50
1933 0.00 0.00 0.00 0.00 16.00 266.00 342.50 200.50 96.50 0.00 0.00 0.00 921.50
1934 0.00 0.00 0.00 0.50 93.50 180.50 374.50 301.50 25.00 4.50 0.00 0.00 980.00
1935 0.00 a 0.00 0.00 0.00 0.00 115.00 363.00 262.00 37.76 a 0.00 0.00 0.00 777.76
1936 0.00 0.00 0.00 b 0.00 33.50 197.00 372.00 276.50 71.00 0.00 0.00 0.00 a 950.00
1937 0.00 0.00 0.00 0.00 25.50 123.00 321.50 332.50 93.00 2.50 0.00 b 0.00 898.00
1938 0.00 0.00 0.00 3.50 10.50 149.00 257.50 311.50 29.00 0.00 0.00 0.00 761.00
1939 0.00 0.00 0.00 b 0.00 25.50 82.50 306.50 177.00 69.00 0.00 0.00 0.00 660.50
1940 0.00 0.00 0.00 0.00 11.00 173.50 301.00 152.50 84.50 0.00 0.00 0.00 722.50
1941 0.00 0.00 0.00 0.00 19.50 102.00 209.50 201.50 45.50 0.00 0.00 0.00 a 578.00
1942 0.00 0.00 0.00 0.00 13.50 65.50 230.50 172.50 12.93 a 0.00 0.00 0.00 494.93
1943 0.00 0.00 b 0.00 a 0.00 10.50 111.00 310.50 282.00 6.21 a 0.00 0.00 0.00 720.21
1944 0.00 0.00 0.00 0.00 23.00 113.00 201.00 230.50 12.41 a 0.00 0.00 0.00 579.91
1945 0.00 0.00 0.00 0.00 0.00 27.50 222.50 176.50 40.00 0.00 0.00 a 0.00 466.50
1946 0.00 0.00 0.00 1.50 3.00 136.00 289.50 204.50 43.00 0.00 0.00 0.00 677.50
1947 0.00 0.00 0.00 0.00 8.50 40.50 246.50 279.00 68.50 0.50 0.00 a 0.00 643.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 225.50 74.50 0.00 0.00 0.00 300.00
1949 0.00 0.00 0.00 7.50 18.00 87.00 248.50 188.50 19.00 1.00 0.00 0.00 569.50
1950 0.00 0.00 0.00 0.00 4.50 131.50 202.00 132.00 37.50 0.50 0.00 0.00 508.00
1951 0.00 0.00 0.00 0.00 19.00 41.50 195.50 221.50 23.50 4.50 0.00 0.00 505.50
1952 0.00 0.00 0.00 1.50 8.50 205.50 321.00 219.50 73.50 0.00 a 0.00 0.00 829.50
1953 0.00 0.00 0.00 1.00 17.50 192.50 318.00 237.00 84.00 12.50 0.00 0.00 862.50
1954 0.00 0.00 0.00 0.00 21.00 194.00 377.50 239.00 91.50 3.50 0.00 0.00 926.50
1955 0.00 0.00 0.00 2.50 27.50 70.50 321.00 324.00 87.50 5.00 0.00 0.00 838.00
1956 0.00 0.00 0.00 0.00 24.50 210.00 225.00 134.50 19.50 0.00 0.00 0.00 613.50
1957 0.00 0.00 0.00 0.00 2.00 97.50 272.80 a 226.00 9.44 c 6.00 0.00 0.00 613.74
1958 0.00 0.00 0.00 0.00 58.00 125.50 161.50 246.50 95.00 0.00 0.00 0.00 686.50
1959 0.00 0.00 0.00 0.00 13.00 243.00 251.50 251.00 59.50 0.00 0.00 0.00 818.00
1960 0.00 0.00 0.00 2.00 12.00 113.50 241.00 235.00 77.00 0.00 a 0.00 0.00 680.50
1961 0.00 0.00 0.00 0.00 11.50 134.00 233.00 239.50 30.00 0.00 0.00 0.00 a 648.00
1962 0.00 0.00 0.00 a 6.50 32.00 102.00 220.50 193.00 20.00 0.50 0.00 0.00 574.50
1963 0.00 0.00 0.00 0.00 49.00 222.00 368.50 208.50 73.00 0.00 0.00 0.00 921.00
1964 0.00 0.00 0.00 0.00 65.88 c 90.50 363.00 190.00 52.50 b 0.00 0.00 0.00 761.88
1965 0.00 0.00 0.00 0.00 8.00 61.00 265.00 123.50 3.10 a 1.00 0.00 0.00 461.60
1966 0.00 0.00 0.00 0.00 44.00 122.00 354.00 150.50 39.00 0.00 0.00 0.00 709.50
1967 0.00 0.00 0.00 0.00 22.50 38.50 244.00 192.00 23.50 6.50 0.00 0.00 527.00
1968 0.00 0.00 0.00 0.00 7.00 192.00 267.00 178.50 23.50 0.00 0.00 0.00 668.00
1969 0.00 0.00 0.00 1.50 52.50 74.00 311.00 287.50 55.00 0.00 0.00 0.00 781.50
1970 0.00 0.00 0.00 0.00 42.50 153.00 298.50 311.00 53.50 0.00 0.00 0.00 858.50
1971 0.00 0.00 0.00 0.00 2.00 182.00 248.00 286.50 64.50 0.00 0.00 0.00 783.00
1972 0.00 0.00 0.00 0.00 37.00 162.50 216.00 206.50 33.00 0.00 0.00 0.00 655.00
1973 0.00 0.00 f 0.00 0.00 13.50 159.00 249.50 275.00 25.50 0.00 0.00 0.00 722.50
1974 0.00 0.00 0.00 4.00 45.50 187.00 378.00 165.50 37.00 0.00 0.00 0.00 817.00
1975 0.00 0.00 0.00 0.00 12.50 142.50 197.00 n 263.50 44.00 3.00 0.00 0.00 465.50
1976 0.00 0.00 0.00 0.00 20.50 147.50 364.50 256.50 82.00 0.50 0.00 0.00 871.50
1977 0.00 0.00 0.00 3.50 28.00 271.00 309.00 f 231.95 c 105.00 0.00 0.00 0.00 639.45
1978 0.00 0.00 0.00 0.00 31.50 195.00 366.66 b 104.50 n 86.50 0.00 a 0.00 0.00 a 679.66
1979 0.00 0.00 0.00 a 3.50 14.50 142.80 e 284.54 c 163.02 b 84.00 0.00 0.00 0.00 a 692.35
1980 0.00 0.00 b 0.00 f 1.00 9.82 a 196.55 a 391.00 235.08 a 40.86 a 0.00 0.00 b 0.00 d 874.31
1981 0.00 0.00 0.00 0.00 12.92 a 165.00 e 265.05 a 156.07 b 49.50 0.00 a 0.00 0.00 648.54
1982 0.00 0.00 0.00 0.00 2.50 50.00 261.50 264.50 63.00 0.00 0.00 0.00 641.50
1983 0.00 0.00 0.00 0.00 11.00 80.00 282.50 381.50 104.50 2.00 0.00 0.00 861.50
1984 0.00 0.00 0.00 0.00 18.50 103.00 297.00 315.50 67.00 0.00 0.00 0.00 a 801.00
1985 0.00 a 0.00 0.00 0.00 z 33.50 117.50 302.50 229.00 73.50 0.00 0.00 0.00 756.00
1986 0.00 0.00 0.00 0.00 3.50 208.00 302.00 224.50 37.00 0.00 0.00 0.00 775.00
1987 0.00 0.00 0.00 5.50 33.00 204.50 352.00 259.22 b 58.50 0.50 0.00 0.00 913.22
1988 0.00 0.00 0.00 0.00 58.00 313.00 337.00 356.00 64.00 0.00 0.00 0.00 1128.00
1989 0.00 0.00 0.00 3.50 57.00 123.50 397.12 b 250.00 96.00 1.00 0.00 0.00 928.12
1990 0.00 0.00 a 0.00 0.50 16.50 299.50 276.50 237.50 160.50 1.50 0.00 0.00 992.50
1991 0.00 0.00 0.00 0.00 53.50 208.50 331.00 282.50 97.00 3.00 0.00 0.00 975.50
1992 0.00 0.00 0.00 1.00 47.00 100.00 214.00 183.50 73.00 0.00 0.00 0.00 618.50
1993 0.00 0.00 0.00 0.00 24.00 144.00 240.00 233.50 24.50 7.00 0.00 0.00 673.00
1994 0.00 0.00 0.00 7.00 80.50 272.00 304.50 361.00 133.50 1.50 0.00 0.00 1160.00
1995 0.00 0.00 0.00 0.00 3.50 124.00 332.00 412.50 118.00 0.00 0.00 0.00 z 990.00
1996 0.00 0.00 0.00 0.00 47.50 180.50 273.50 232.50 a 55.00 3.50 0.00 0.00 792.50
1997 0.00 0.00 0.00 0.00 10.00 155.50 322.50 228.50 124.00 14.00 0.00 0.00 854.50
1998 0.00 0.00 0.00 b 1.50 51.00 86.50 333.50 255.00 182.50 0.00 0.00 0.00 910.00
1999 0.00 0.00 0.00 a 0.00 9.00 130.50 353.00 255.50 36.00 0.00 0.00 0.00 784.00
2000 0.00 0.00 0.00 0.00 46.00 156.50 422.50 356.00 114.50 10.50 0.00 0.00 1106.00
2001 0.00 0.00 0.00 2.07 a 29.00 207.50 418.00 315.00 99.00 1.60 b 0.00 0.00 1072.17
2002 0.00 0.00 0.00 6.00 37.00 305.50 440.00 271.00 98.50 0.00 0.00 0.00 1158.00
2003 0.00 0.00 0.00 0.00 71.00 180.00 554.00 403.50 60.00 3.00 0.00 z 0.00 z 1271.50
2004 0.00 t 0.00 0.00 2.00 54.50 111.50 279.50 174.50 106.00 0.00 0.00 0.00 728.00
2005 0.00 0.00 0.00 0.00 z 42.00 151.20 e 380.00 242.50 116.00 l 3.50 0.00 0.00 819.20
2006 0.00 0.00 d 0.00 1.50 80.50 275.50 420.50 284.50 15.50 13.00 0.00 0.00 1091.00
2007 0.00 b 0.00 0.00 a 0.00 51.50 177.50 399.50 377.50 118.00 5.50 0.00 0.00 1129.50
2008 0.00 0.00 0.00 0.00 30.50 141.50 388.00 240.50 41.00 0.00 0.00 0.00 841.50
2009 0.00 0.00 0.00 b 0.00 39.00 127.76 a 265.64 b 211.50 62.00 0.00 0.00 f 0.00 705.90
2010 0.00 0.00 0.00 0.00 z 42.00 t 216.50 363.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 579.50
2011 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
Period of Record Statistics
MEAN 0.00 0.00 0.00 1.01 25.08 143.04 289.74 231.10 60.08 1.59 0.00 0.00 733.46
S.D. 0.00 0.00 0.00 2.19 20.21 65.13 77.11 70.08 35.67 3.66 0.00 0.00 199.05
SKEW 0.00 0.00 0.00 3.18 1.05 0.47 0.28 0.24 0.78 3.73 0.00 0.00 0.17
MAX 0.00 0.00 0.00 14.00 93.50 313.00 554.00 412.50 182.50 24.69 0.00 0.00 1160.00
MIN 0.00 0.00 0.00 0.00 0.00 21.00 129.50 67.50 3.10 0.00 0.00 0.00 267.00
NO YRS 98 99 99 97 99 100 98 98 98 100 96 99 84