CORTEZ, COLORADO

Monthly Total Cooling Degree Days

(051886)

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
1911 0.00 z 0.00 z 0.00 z 0.00 f 0.00 z 0.00 z 124.53 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 124.53
1912 0.00 z 0.00 z 0.00 z 0.00 z 0.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50
1913 0.00 z 0.00 0.00 0.00 0.00 47.00 148.00 117.28 a 1.50 0.00 0.00 0.00 313.78
1914 0.00 0.00 0.00 0.00 h 3.00 28.50 95.00 100.00 1.50 0.00 0.00 a 0.00 228.00
1915 0.00 0.00 0.00 z 0.00 z 0.00 8.00 11.48 d 3.50 0.00 z 0.00 z 0.00 z 0.00 z 22.98
1916 0.00 z 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
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 0.00 z 0.00 z 0.00 z 118.50 6.50 0.00 0.00 0.00 125.00
1930 0.00 0.00 0.00 0.00 3.50 65.00 157.00 100.50 4.50 f 0.00 0.00 0.00 326.00
1931 0.00 0.00 0.00 0.00 0.00 72.00 218.50 110.50 24.50 0.00 0.00 0.00 425.50
1932 0.00 0.00 0.00 0.00 5.50 31.50 158.00 99.50 2.50 0.00 0.00 0.00 297.00
1933 0.00 i 0.00 0.00 0.00 0.00 46.00 181.00 112.50 27.41 a 5.50 0.00 a 0.00 b 372.41
1934 0.00 0.00 0.00 0.00 10.50 13.50 213.00 176.50 2.50 0.00 b 0.00 a 0.00 416.00
1935 0.00 a 0.00 a 0.00 0.00 0.00 37.50 193.50 142.50 4.50 0.00 0.00 b 0.00 378.00
1936 0.00 0.00 0.00 0.00 1.00 153.00 195.00 140.50 6.00 0.00 0.00 0.00 495.50
1937 0.00 0.00 0.00 0.00 0.00 60.50 154.50 171.50 36.50 0.00 0.00 0.00 423.00
1938 0.00 0.00 0.00 0.00 0.00 39.50 103.00 146.00 9.50 0.00 0.00 0.00 a 298.00
1939 0.00 0.00 0.00 0.00 1.50 62.00 206.00 143.50 24.00 0.00 0.00 0.00 437.00
1940 0.00 0.00 0.00 0.00 0.00 124.00 220.00 139.50 18.00 0.00 0.00 0.00 501.50
1941 0.00 0.00 0.00 0.00 0.50 25.00 115.50 79.00 4.50 0.00 0.00 0.00 224.50
1942 0.00 0.00 0.00 0.00 0.00 9.00 197.00 164.50 18.00 0.00 0.00 0.00 388.50
1943 0.00 0.00 a 0.00 0.00 36.50 134.50 258.50 227.00 22.50 0.00 0.00 0.00 679.00
1944 0.00 0.00 0.00 0.00 6.00 38.00 170.50 156.50 6.00 0.00 0.00 0.00 377.00
1945 0.00 0.00 0.00 0.00 0.00 16.50 204.50 197.00 52.50 0.00 0.00 0.00 470.50
1946 0.00 0.00 0.00 0.00 0.00 75.50 216.00 159.50 30.50 0.00 0.00 u 0.00 a 481.50
1947 0.00 0.00 0.00 0.00 4.50 19.00 232.00 147.00 47.50 0.00 0.00 0.00 450.00
1948 0.00 0.00 0.00 0.00 2.50 32.00 185.00 149.50 41.50 0.00 0.00 0.00 410.50
1949 0.00 0.00 0.00 0.00 0.00 a 28.00 198.00 126.00 34.50 0.00 0.00 0.00 386.50
1950 0.00 0.00 0.00 0.00 0.00 46.20 e 150.50 106.50 20.00 0.00 0.00 a 0.00 323.20
1951 0.00 0.00 f 0.00 0.00 17.50 52.50 288.50 176.00 9.50 0.00 0.00 0.00 544.00
1952 0.00 0.00 0.00 0.00 0.00 59.50 175.50 199.50 43.50 0.00 0.00 0.00 478.00
1953 0.00 0.00 0.00 0.00 4.50 99.00 260.50 117.50 18.00 0.00 0.00 0.00 499.50
1954 0.00 0.00 0.00 0.00 3.00 102.00 267.50 115.00 40.00 1.00 0.00 0.00 528.50
1955 0.00 0.00 0.00 0.00 0.00 36.00 169.00 174.00 41.50 1.00 0.00 0.00 421.50
1956 0.00 0.00 0.00 0.00 0.00 101.50 161.50 73.50 19.00 4.50 0.00 0.00 360.00
1957 0.00 0.00 0.00 0.00 0.00 50.50 148.00 122.00 1.00 0.00 0.00 0.00 321.50
1958 0.00 0.00 0.00 0.00 23.50 98.00 153.50 206.50 43.50 0.00 0.00 0.00 525.00
1959 0.00 0.00 0.00 0.00 9.00 149.50 265.00 179.50 42.00 0.00 0.00 0.00 645.00
1960 0.00 0.00 0.00 0.00 0.00 86.00 259.00 208.50 61.50 0.00 0.00 0.00 615.00
1961 0.00 0.00 0.00 0.00 6.50 145.00 226.00 199.00 3.00 0.00 0.00 0.00 579.50
1962 0.00 0.00 0.00 0.00 a 3.00 67.00 174.63 a 171.00 37.24 a 0.00 0.00 0.00 452.87
1963 0.00 0.00 0.00 0.00 1.50 33.00 256.78 a 157.50 28.00 0.00 0.00 0.00 476.78
1964 0.00 0.00 0.00 0.00 9.00 47.50 241.50 115.50 17.50 0.00 0.00 0.00 431.00
1965 0.00 0.00 0.00 0.00 0.00 1.50 172.50 98.00 2.50 0.00 0.00 0.00 274.50
1966 0.00 0.00 0.00 0.00 4.00 59.00 260.50 175.00 8.50 0.00 0.00 0.00 507.00
1967 0.00 0.00 0.00 0.00 2.00 29.50 217.50 131.50 28.50 0.00 0.00 0.00 409.00
1968 0.00 0.00 0.00 0.00 2.00 86.00 185.50 42.00 10.00 0.00 0.00 0.00 325.50
1969 0.00 0.00 0.00 0.00 7.50 23.50 245.00 264.00 32.00 0.00 0.00 0.00 572.00
1970 0.00 0.00 0.00 0.00 0.50 96.50 246.00 215.00 14.50 0.00 0.00 0.00 572.50
1971 0.00 0.00 0.00 0.00 0.00 105.00 255.00 156.00 23.00 0.00 0.00 0.00 539.00
1972 0.00 0.00 0.00 0.00 4.00 63.50 240.50 148.50 25.00 0.00 0.00 0.00 481.50
1973 0.00 0.00 0.00 0.00 0.00 62.00 172.00 150.00 0.50 0.00 0.00 0.00 384.50
1974 0.00 0.00 0.00 0.00 1.00 159.00 197.50 106.95 a 28.89 c 0.00 c 0.00 0.00 493.34
1975 0.00 0.00 b 0.00 0.00 b 3.00 10.96 d 179.11 d 0.00 z 10.00 h 0.00 j 0.00 i 0.00 j 193.07
1976 0.00 b 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
1977 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 0.00 0.00
1978 0.00 0.00 0.00 0.00 0.00 63.00 206.00 125.50 40.00 0.00 0.00 0.00 a 434.50
1979 0.00 0.00 a 0.00 0.00 0.00 52.50 138.00 0.00 z 37.50 0.00 0.00 a 0.00 228.00
1980 0.00 0.00 0.00 0.00 0.00 60.00 187.50 136.50 9.00 0.00 0.00 0.00 393.00
1981 0.00 0.00 0.00 0.00 0.00 111.00 209.50 128.50 6.00 0.00 0.00 0.00 455.00
1982 0.00 0.00 0.00 0.00 0.00 28.00 0.00 z 147.00 27.50 0.00 0.00 0.00 202.50
1983 0.00 0.00 0.00 0.00 6.00 20.00 144.00 159.50 43.00 0.00 0.00 0.00 a 372.50
1984 0.00 0.00 0.00 z 0.00 17.00 54.50 186.50 146.50 13.00 0.00 0.00 0.00 417.50
1985 0.00 0.00 0.00 0.00 0.00 81.21 a 0.00 z 116.50 18.50 0.00 0.00 0.00 216.21
1986 0.00 z 0.00 0.00 0.00 0.00 0.00 z 110.00 167.50 7.50 0.00 0.00 0.00 285.00
1987 0.00 0.00 0.00 0.00 0.00 49.50 117.50 85.50 9.50 0.00 0.00 0.00 262.00
1988 0.00 0.00 0.00 0.00 a 0.00 112.00 169.00 107.00 6.00 0.00 0.00 0.00 394.00
1989 0.00 0.00 0.00 0.00 7.50 36.00 223.00 105.50 21.00 0.00 0.00 c 0.00 393.00
1990 0.00 0.00 0.00 0.00 0.00 115.50 153.50 99.50 52.00 0.00 0.00 0.00 420.50
1991 0.00 0.00 0.00 0.00 1.50 14.00 52.50 n 130.00 17.00 0.00 z 0.00 0.00 162.50
1992 0.00 0.00 0.00 0.00 0.50 10.50 99.50 141.50 6.50 0.00 0.00 0.00 258.50
1993 0.00 0.00 0.00 0.00 1.50 27.00 119.00 91.00 12.00 0.00 0.00 0.00 250.50
1994 0.00 0.00 0.00 0.00 0.50 116.00 226.00 241.00 38.50 0.00 0.00 0.00 622.00
1995 0.00 0.00 0.00 0.00 0.00 49.50 161.50 198.00 68.00 0.00 0.00 0.00 477.00
1996 0.00 0.00 0.00 a 0.00 9.00 77.50 231.50 159.50 26.00 0.00 0.00 0.00 503.50
1997 0.00 0.00 0.00 0.00 z 0.00 z 64.50 195.00 164.00 66.50 2.50 h 0.00 k 0.00 490.00
1998 0.00 0.00 0.00 0.00 0.00 43.00 297.50 209.00 88.00 0.00 0.00 j 0.00 637.50
1999 0.00 0.00 0.00 0.00 3.50 71.50 230.50 141.50 11.25 b 0.00 c 0.00 j 0.00 458.25
2000 0.00 0.00 0.00 0.00 40.62 b 123.00 e 277.00 281.00 56.00 0.00 0.00 0.00 777.62
2001 0.00 0.00 0.00 0.00 e 20.50 150.50 280.00 180.50 56.00 1.60 b 0.00 0.00 689.10
2002 0.00 0.00 0.00 0.00 27.50 172.00 331.50 185.50 33.00 0.00 0.00 0.00 749.50
2003 0.00 0.00 0.00 0.00 55.00 78.50 377.50 269.00 36.00 1.50 0.00 0.00 817.50
2004 0.00 0.00 0.00 0.00 5.00 85.00 223.50 136.00 49.00 0.00 0.00 0.00 498.50
2005 0.00 0.00 0.00 0.00 20.00 3.50 u 269.50 g 175.50 40.00 2.00 0.00 0.00 237.50
2006 0.00 0.00 0.00 0.00 32.00 161.50 336.00 179.50 17.00 0.00 0.00 0.00 726.00
2007 0.00 0.00 0.00 0.00 14.50 151.00 334.00 268.00 78.50 0.00 0.00 0.00 846.00
2008 0.00 0.00 0.00 0.00 10.50 106.50 273.50 226.50 14.00 0.00 0.00 0.00 631.00
2009 0.00 0.00 0.00 0.00 0.00 z 53.00 290.00 174.38 c 62.00 0.00 0.00 0.00 579.38
2010 0.00 h 0.00 0.00 0.00 d 11.00 108.50 275.00 155.50 33.00 4.00 0.00 0.00 587.00
2011 0.00 0.00 0.00 0.00 e 5.00 95.00 310.50 284.00 45.50 0.00 0.00 0.00 740.00
2012 0.00 0.00 0.00 d 0.00 14.00 197.00 317.00 300.00 68.00 0.00 0.00 0.00 896.00
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 0.00 5.78 70.41 206.85 154.85 27.24 0.26 0.00 0.00 482.52
S.D. 0.00 0.00 0.00 0.00 10.15 45.04 64.75 53.64 20.27 0.95 0.00 0.00 151.59
SKEW 0.00 0.00 0.00 0.00 2.67 0.70 0.05 0.44 0.74 4.16 0.00 0.00 0.76
MAX 0.00 0.00 0.00 0.00 55.00 197.00 377.50 300.00 88.00 5.50 0.00 0.00 896.00
MIN 0.00 0.00 0.00 0.00 0.00 1.50 11.48 3.50 0.50 0.00 0.00 0.00 224.50
NO YRS 82 86 85 81 83 82 81 83 82 81 80 84 64