RIFLE, COLORADO

Monthly Total Cooling Degree Days

(057031)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200711
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
1910 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 44.00 h 0.00 a 0.00 0.00 a 0.00
1911 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 27.00 0.00 0.00 0.00 27.00
1912 0.00 0.00 0.00 0.00 a 3.50 39.50 157.00 118.50 4.00 0.00 0.00 0.00 322.50
1913 0.00 0.00 0.00 0.00 13.50 52.50 160.50 224.50 11.50 0.00 0.00 0.00 462.50
1914 0.00 0.00 0.00 0.00 5.00 43.00 193.00 150.00 37.00 0.00 0.00 0.00 428.00
1915 0.00 0.00 a 0.00 0.00 3.50 46.50 179.00 115.50 18.00 0.00 0.00 0.00 362.50
1916 0.00 0.00 0.00 0.00 3.00 51.50 200.00 66.00 10.00 0.00 0.00 0.00 330.50
1917 0.00 0.00 0.00 0.00 0.00 56.00 258.50 97.50 26.00 0.00 0.00 0.00 438.00
1918 0.00 0.00 0.00 0.00 0.00 169.50 144.50 115.50 8.00 0.00 0.00 0.00 437.50
1919 0.00 0.00 a 0.00 0.00 8.00 117.50 266.00 164.00 37.00 0.00 0.00 0.00 592.50
1920 0.00 a 0.00 0.00 0.00 0.00 19.00 166.50 85.25 a 3.50 0.00 0.00 b 0.00 274.25
1921 0.00 0.00 0.00 0.00 a 5.00 67.00 176.00 75.00 0.00 0.00 0.00 0.00 323.00
1922 0.00 0.00 0.00 0.00 0.00 81.50 159.00 170.50 3.00 0.00 0.00 0.00 414.00
1923 0.00 0.00 0.00 0.00 0.00 29.00 222.50 71.00 4.50 0.00 0.00 0.00 327.00
1924 0.00 0.00 0.00 0.00 0.50 70.00 161.00 119.00 33.00 0.00 a 0.00 0.00 383.50
1925 0.00 0.00 0.00 a 0.00 18.50 96.72 a 239.50 89.00 16.03 a 0.00 0.00 a 0.00 459.76
1926 0.00 0.00 a 0.00 a 0.00 0.00 a 69.50 181.00 171.00 2.50 0.00 i 0.00 0.00 z 424.00
1927 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
1928 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
1929 0.00 z 0.00 z 0.00 z 0.00 z 0.50 67.00 305.35 a 120.26 b 0.00 z 0.00 z 0.00 z 0.00 z 493.11
1930 0.00 z 0.00 z 0.00 0.00 1.50 35.50 245.00 174.00 19.00 0.00 0.00 0.00 475.00
1931 0.00 0.00 0.00 0.00 10.85 a 180.00 261.50 153.00 24.50 0.00 z 0.00 0.00 629.85
1932 0.00 0.00 a 0.00 0.00 0.00 68.50 258.50 210.00 0.50 0.00 0.00 0.00 537.50
1933 0.00 a 0.00 a 0.00 0.00 0.00 107.00 290.88 a 128.00 56.00 0.00 0.00 0.00 581.88
1934 0.00 0.00 0.00 0.00 38.00 35.00 310.50 281.00 0.00 0.00 0.00 0.00 664.50
1935 0.00 0.00 0.00 0.00 0.00 b 104.00 278.50 175.50 5.00 0.00 0.00 0.00 563.00
1936 0.00 0.00 0.00 0.00 26.35 a 219.00 312.00 177.50 0.00 0.00 0.00 0.00 734.85
1937 0.00 0.00 0.00 1.50 21.50 37.50 113.50 86.00 1.00 0.00 a 0.00 z 0.00 261.00
1938 0.00 0.00 0.00 0.00 3.50 54.50 147.50 133.50 2.00 0.00 a 0.00 0.00 341.00
1939 0.00 0.00 0.00 a 0.00 0.00 39.00 g 185.50 133.50 f 20.50 0.00 0.00 0.00 206.00
1940 0.00 0.00 0.00 0.00 2.50 128.50 244.00 171.00 28.00 0.00 0.00 0.00 574.00
1941 0.00 0.00 0.00 0.00 0.00 27.00 145.00 118.50 0.50 0.00 e 0.00 z 0.00 k 291.00
1942 0.00 0.00 0.00 0.00 8.50 30.50 162.50 108.00 4.14 a 2.50 0.00 0.00 316.14
1943 0.00 0.00 0.00 1.00 0.00 41.50 206.00 134.33 a 2.50 g 0.00 0.00 0.00 382.83
1944 0.00 0.00 0.00 0.00 0.50 14.50 104.00 105.50 4.50 0.00 0.00 0.00 229.00
1945 0.00 0.00 0.00 0.00 2.00 13.00 171.50 154.00 30.00 0.00 0.00 0.00 370.50
1946 0.00 0.00 0.00 0.00 0.00 53.50 245.50 144.50 24.00 0.00 0.00 0.00 467.50
1947 0.00 0.00 0.00 0.00 4.00 15.00 191.00 176.50 60.50 0.00 h 0.00 0.00 447.00
1948 0.00 0.00 0.00 0.00 18.00 50.00 148.00 96.00 30.00 0.00 0.00 0.00 342.00
1949 0.00 0.00 0.00 0.00 0.00 32.00 172.50 176.00 8.50 0.00 0.00 0.00 389.00
1950 0.00 0.00 0.00 0.00 0.00 29.00 108.50 54.00 32.50 0.00 0.00 0.00 224.00
1951 0.00 0.00 0.00 a 0.00 d 16.02 a 27.00 197.00 119.00 0.00 0.00 0.00 0.00 359.02
1952 0.00 0.00 0.00 0.00 a 0.00 52.76 a 138.50 f 105.50 19.00 0.00 0.00 0.00 177.26
1953 0.00 0.00 0.00 b 0.00 3.62 a 84.50 216.00 73.50 10.00 0.00 0.00 a 0.00 387.62
1954 0.00 0.00 0.00 b 1.00 5.00 77.00 211.50 g 59.50 f 21.00 0.00 a 0.00 0.00 f 104.00
1955 0.00 0.00 0.00 0.00 0.00 14.00 185.50 172.50 17.14 b 0.00 0.00 0.00 389.14
1956 0.00 0.00 0.00 0.00 2.77 c 60.50 137.50 33.50 2.00 0.00 0.00 0.00 236.27
1957 0.00 0.00 0.00 0.00 0.00 28.00 114.50 122.00 0.00 0.00 z 0.00 0.00 264.50
1958 0.00 0.00 0.00 0.00 7.00 60.00 105.00 225.00 35.50 0.00 0.00 0.00 z 432.50
1959 0.00 0.00 0.00 0.00 0.50 58.00 93.50 46.00 5.50 0.00 0.00 0.00 203.50
1960 0.00 0.00 0.00 b 0.00 0.00 13.00 120.00 97.50 32.50 0.00 0.00 0.00 263.00
1961 0.00 0.00 0.00 0.00 0.00 69.00 144.00 148.50 0.50 0.00 0.00 0.00 362.00
1962 0.00 0.00 0.00 0.00 2.50 17.00 54.77 a 52.70 a 10.00 0.00 0.00 0.00 136.97
1963 0.00 0.00 0.00 0.00 0.00 a 13.50 185.50 108.00 8.00 0.00 0.00 0.00 315.00
1964 0.00 0.00 0.00 0.00 2.50 30.50 220.50 110.50 12.50 0.00 z 0.00 0.00 376.50
1965 0.00 0.00 0.00 0.00 0.00 3.50 136.50 72.00 0.00 z 0.00 0.00 0.00 212.00
1966 0.00 0.00 0.00 0.00 0.00 47.50 239.50 136.00 5.50 0.00 0.00 0.00 428.50
1967 0.00 0.00 0.00 0.00 9.00 10.71 b 189.50 133.50 20.00 3.00 0.00 0.00 365.71
1968 0.00 0.00 0.00 0.00 2.50 75.50 156.50 53.50 0.50 0.00 0.00 0.00 288.50
1969 0.00 0.00 0.00 0.00 3.00 16.00 176.00 202.50 14.50 0.00 0.00 0.00 412.00
1970 0.00 0.00 0.00 0.00 2.50 75.50 166.00 145.00 3.50 0.00 0.00 0.00 392.50
1971 0.00 0.00 0.00 0.00 0.00 73.00 165.50 163.78 a 9.50 0.00 0.00 0.00 411.78
1972 0.00 0.00 0.00 0.00 0.00 42.50 174.00 129.00 3.00 0.00 0.00 0.00 348.50
1973 0.00 0.00 0.00 0.00 0.00 0.00 z 100.50 118.50 2.00 0.00 0.00 z 0.00 221.00
1974 0.00 0.00 0.00 0.00 2.50 103.50 169.50 73.37 a 13.50 0.00 0.00 0.00 362.37
1975 0.00 0.00 0.00 0.00 0.00 12.00 145.50 57.00 4.50 0.00 0.00 0.00 219.00
1976 0.00 0.00 0.00 0.00 0.00 17.00 196.50 53.50 3.00 0.00 0.00 0.00 270.00
1977 0.00 0.00 0.00 0.00 2.50 117.50 199.00 144.00 40.00 0.00 0.00 0.00 503.00
1978 0.00 0.00 0.00 0.00 0.00 58.50 177.50 96.50 39.50 0.00 0.00 0.00 372.00
1979 0.00 0.00 0.00 0.00 1.00 52.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 53.00
1980 0.00 z 0.00 z 0.00 z 0.00 0.00 60.00 0.00 z 107.00 9.00 0.00 z 0.00 0.00 176.00
1981 0.00 0.00 0.00 0.00 0.50 137.00 229.50 131.00 36.00 0.00 0.00 0.00 534.00
1982 0.00 0.00 0.00 0.00 0.00 35.50 186.00 197.50 13.00 0.00 0.00 0.00 432.00
1983 0.00 0.00 0.00 0.00 0.00 26.50 162.00 241.50 54.00 0.00 0.00 0.00 484.00
1984 0.00 0.00 0.00 0.00 5.50 29.00 199.00 168.50 14.50 0.00 0.00 z 0.00 416.50
1985 0.00 0.00 0.00 0.00 0.50 79.00 190.00 184.00 7.50 0.00 0.00 0.00 461.00
1986 0.00 0.00 0.00 0.00 0.00 73.00 160.00 140.50 4.50 0.00 0.00 0.00 378.00
1987 0.00 0.00 0.00 0.00 0.00 69.00 143.00 109.50 14.00 0.00 0.00 0.00 335.50
1988 0.00 0.00 0.00 0.00 2.00 148.00 228.50 177.00 21.00 0.00 0.00 0.00 576.50
1989 0.00 0.00 0.00 0.00 4.00 59.50 246.00 127.00 19.50 0.00 0.00 z 0.00 456.00
1990 0.00 z 0.00 0.00 0.00 6.50 138.00 194.50 138.00 92.00 0.00 0.00 0.00 569.00
1991 0.00 0.00 0.00 0.00 1.00 39.50 148.00 138.00 11.00 0.00 0.00 0.00 337.50
1992 0.00 0.00 0.00 3.00 2.00 43.50 89.00 119.00 2.00 0.00 0.00 0.00 258.50
1993 0.00 0.00 0.00 0.00 2.50 59.00 0.00 z 83.00 0.00 0.00 0.00 0.00 144.50
1994 0.00 0.00 0.00 0.00 6.20 a 106.00 o 245.50 225.00 29.50 0.00 0.00 0.00 l 506.20
1995 0.00 0.00 0.00 0.00 0.00 j 30.50 j 135.50 203.00 61.50 0.00 0.00 0.00 400.00
1996 0.00 0.00 0.00 0.00 j 5.50 62.22 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 67.72
1997 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 1.00 m 0.00 0.00 0.00
1998 0.00 0.00 0.00 0.00 1.00 j 33.00 321.50 225.50 95.00 1.50 0.00 0.00 676.50
1999 0.00 c 0.00 b 0.00 b 0.00 2.50 i 81.00 e 221.50 h 196.52 c 12.00 e 0.00 c 0.00 d 0.00 b 289.52
2000 0.00 b 0.00 d 0.00 c 0.00 a 42.76 b 114.00 e 322.06 d 271.80 c 42.86 b 0.00 a 0.00 d 0.00 g 793.47
2001 0.00 0.00 0.00 f 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2002 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 m 0.00 0.00 0.00
2003 0.00 0.00 e 0.00 0.00 c 72.00 91.00 426.50 259.50 f 28.50 4.00 f 0.00 f 0.00 618.00
2004 0.00 0.00 0.00 0.00 5.00 i 100.50 k 241.00 130.50 j 24.00 o 0.00 z 0.00 z 0.00 z 241.00
2005 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
2006 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
2007 0.00 0.00 0.00 0.00 0.00 118.00 341.00 262.50 44.46 b 0.00 g 0.00 0.00 z 765.96
2008 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
2009 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
2010 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
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
2012 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 d 0.00 0.00 0.00
2013 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 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.07 4.85 61.39 193.24 136.72 18.29 0.09 0.00 0.00 391.62
S.D. 0.00 0.00 0.00 0.38 10.63 41.70 64.95 54.42 19.45 0.46 0.00 0.00 117.56
SKEW 0.00 0.00 0.00 6.07 4.09 1.30 0.82 0.47 1.76 5.35 0.00 0.00 0.55
MAX 0.00 0.00 0.00 3.00 72.00 219.00 426.50 281.00 95.00 3.00 0.00 0.00 734.85
MIN 0.00 0.00 0.00 0.00 0.00 3.50 54.77 33.50 0.00 0.00 0.00 0.00 136.97
NO YRS 87 88 88 88 85 84 82 83 84 80 84 84 58