LONGMONT 2 ESE, COLORADO

Monthly Total Cooling Degree Days

(055116)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200411
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 c 0.00 h 0.00 e 0.00 c 0.55 c 0.00 z 0.00 z 0.00 z 14.44 c 0.00 m 0.00 z 0.00 z 15.00
1894 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
1895 0.00 0.00 a 0.00 0.50 22.50 34.50 123.50 160.50 93.50 0.00 a 0.00 0.00 435.00
1896 0.00 0.00 0.00 0.00 42.50 152.50 238.00 228.50 36.00 2.50 0.00 a 0.00 b 700.00
1897 0.00 0.00 0.00 0.00 26.00 119.50 143.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 288.50
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 68.50 206.00 208.00 31.00 0.00 0.00 0.00 513.50
1910 0.00 0.00 0.00 e 0.00 1.66 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.66
1911 0.00 a 0.00 0.00 0.00 11.00 112.50 129.00 133.50 64.50 0.00 0.00 a 0.00 450.50
1912 0.00 0.00 0.00 0.00 1.50 24.00 100.23 a 103.50 15.00 b 0.00 h 0.00 0.00 e 244.23
1913 0.00 b 0.00 0.00 0.00 10.00 70.00 161.41 b 186.50 30.00 b 0.00 0.00 0.00 457.91
1914 0.00 0.00 0.00 0.00 3.50 74.00 179.50 140.00 39.00 0.00 0.00 0.00 b 436.00
1915 0.00 d 0.00 c 0.00 0.00 3.50 51.00 94.00 35.50 17.50 0.00 0.00 0.00 a 201.50
1916 0.00 b 0.00 0.00 0.00 a 11.37 a 51.72 a 212.50 109.50 19.14 a 0.00 0.00 0.00 404.23
1917 0.00 0.00 0.00 a 0.00 a 0.00 63.62 a 191.88 b 59.50 22.00 f 0.00 0.00 0.00 a 315.00
1918 0.00 0.00 0.00 0.00 a 3.00 173.50 138.50 129.00 6.50 0.00 z 0.00 0.00 450.50
1919 0.00 a 0.00 0.00 0.00 10.00 131.50 252.50 169.50 58.00 0.00 0.00 0.00 621.50
1920 0.00 0.00 0.00 0.00 a 5.50 50.00 148.00 81.00 18.00 0.00 0.00 0.00 a 302.50
1921 0.00 0.00 0.00 0.00 0.00 78.00 174.00 110.05 a 16.00 0.00 c 0.00 0.00 378.05
1922 0.00 0.00 0.00 0.00 7.50 124.50 141.50 196.00 34.00 0.00 0.00 0.00 503.50
1923 0.00 0.00 0.00 0.00 3.00 47.50 222.50 127.50 10.50 0.00 0.00 0.00 411.00
1924 0.00 0.00 a 0.00 0.00 5.00 108.00 170.00 178.50 24.50 0.00 0.00 0.00 486.00
1925 0.00 0.00 0.00 0.00 31.50 121.00 262.00 133.00 55.00 0.00 0.00 0.00 602.50
1926 0.00 0.00 0.00 0.00 12.00 93.50 162.00 186.00 24.00 2.50 0.00 0.00 480.00
1927 0.00 0.00 0.00 3.00 17.00 101.50 168.00 65.00 47.50 0.00 0.00 0.00 402.00
1928 0.00 0.00 0.00 0.00 11.00 21.50 141.50 111.00 27.00 0.00 0.00 0.00 312.00
1929 0.00 0.00 0.00 0.00 1.50 88.00 220.00 209.50 26.50 0.00 0.00 0.00 545.50
1930 0.00 0.00 0.00 0.00 0.50 96.00 235.00 138.50 16.00 0.00 0.00 0.00 486.00
1931 0.00 0.00 0.00 0.00 11.00 138.00 273.50 170.50 93.50 0.00 0.00 0.00 686.50
1932 0.00 0.00 0.00 0.00 10.50 81.00 260.50 210.50 25.50 0.00 0.00 0.00 588.00
1933 0.00 0.00 0.00 0.00 1.00 132.50 229.50 114.50 30.50 0.00 0.00 0.00 508.00
1934 0.00 0.00 0.00 0.00 42.50 90.50 284.50 193.50 11.50 1.00 0.00 0.00 623.50
1935 0.00 0.00 0.00 0.00 0.00 64.00 208.50 177.50 31.50 0.00 0.00 0.00 481.50
1936 0.00 0.00 0.00 0.00 18.50 146.00 296.50 208.50 59.00 0.00 0.00 0.00 728.50
1937 0.00 a 0.00 0.00 0.00 a 4.50 73.50 195.00 266.50 56.00 0.00 0.00 0.00 595.50
1938 0.00 0.00 0.00 0.00 3.00 54.50 151.50 208.50 16.50 0.00 0.00 0.00 434.00
1939 0.00 0.00 0.00 0.00 15.50 51.00 249.50 133.50 56.50 0.00 0.00 0.00 506.00
1940 0.00 0.00 0.00 0.00 2.00 114.50 186.00 106.00 37.00 0.00 0.00 0.00 445.50
1941 0.00 0.00 0.00 0.00 8.50 55.50 155.50 129.00 7.50 0.00 0.00 0.00 356.00
1942 0.00 0.00 0.00 0.00 6.00 30.50 174.00 123.50 14.00 0.00 0.00 0.00 348.00
1943 0.00 0.00 0.00 0.00 4.50 63.00 229.50 222.00 4.50 0.00 0.00 0.00 523.50
1944 0.00 0.00 0.00 0.00 7.00 72.50 141.50 202.00 15.50 0.00 0.00 0.00 438.50
1945 0.00 0.00 0.00 0.00 a 3.00 22.50 164.00 139.00 37.50 0.00 0.00 0.00 366.00
1946 0.00 0.00 0.00 0.00 0.00 85.00 223.00 166.50 26.50 0.00 0.00 0.00 501.00
1947 0.00 0.00 a 0.00 0.00 8.00 25.50 222.00 227.50 82.50 1.50 0.00 0.00 567.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 135.00 33.50 0.00 0.00 a 0.00 168.50
1949 0.00 0.00 0.00 0.00 a 4.65 a 46.00 208.00 145.00 f 19.00 0.50 1.03 a 0.00 279.18
1950 0.00 0.00 0.00 0.00 2.00 94.00 117.50 80.00 23.00 0.00 0.00 0.00 316.50
1951 0.00 0.00 0.00 0.00 9.00 29.50 225.00 153.00 21.00 0.00 a 0.00 0.00 437.50
1952 0.00 0.00 0.00 0.00 0.00 163.00 215.00 167.50 46.11 c 0.00 0.00 a 0.00 591.61
1953 0.00 a 0.00 a 0.00 1.00 1.50 146.00 238.50 138.00 53.00 0.00 0.00 0.00 578.00
1954 0.00 0.00 0.00 1.00 16.53 a 171.50 341.50 198.00 61.00 6.00 0.00 a 0.00 795.53
1955 0.00 0.00 0.00 0.00 11.00 51.50 253.00 205.50 55.50 0.00 0.00 0.00 576.50
1956 0.00 0.00 0.00 0.00 17.00 183.50 185.50 95.50 44.00 4.00 0.00 0.00 529.50
1957 0.00 0.00 0.00 0.00 0.00 86.00 222.50 177.50 10.50 0.00 0.00 0.00 496.50
1958 0.00 0.00 0.00 0.00 29.00 92.50 147.00 219.50 69.00 0.50 0.00 0.00 557.50
1959 0.00 0.00 0.00 0.00 1.00 160.00 156.55 a 180.50 40.00 0.00 0.00 0.00 538.05
1960 0.00 0.00 0.00 3.50 2.00 107.50 191.00 177.50 78.00 0.00 0.00 0.00 559.50
1961 0.00 0.00 0.00 0.00 14.50 83.50 182.50 183.50 14.00 0.00 0.00 0.00 478.00
1962 0.00 0.00 0.00 0.00 a 19.00 63.50 158.00 136.00 31.50 0.00 0.00 0.00 408.00
1963 0.00 0.00 0.00 0.00 18.00 107.00 273.83 a 146.50 55.50 0.50 0.00 0.00 601.33
1964 0.00 0.00 0.00 0.00 34.00 58.50 295.50 147.00 23.50 3.00 0.00 0.00 561.50
1965 0.00 0.00 0.00 0.00 3.00 32.50 201.50 111.00 3.00 0.00 0.00 0.00 a 351.00
1966 0.00 0.00 a 0.00 0.00 19.00 67.50 304.00 146.00 24.00 0.00 0.00 0.00 560.50
1967 0.00 0.00 0.00 0.00 17.57 a 18.50 193.00 134.50 22.24 a 7.50 0.00 0.00 393.31
1968 0.00 0.00 0.00 0.00 8.50 123.50 195.00 125.00 6.00 0.00 0.00 0.00 458.00
1969 0.00 0.00 0.00 0.00 20.00 51.00 249.00 233.50 33.00 0.00 0.00 0.00 586.50
1970 0.00 0.00 0.00 0.00 25.00 83.50 208.50 257.50 31.50 0.00 0.00 0.00 606.00
1971 0.00 0.00 0.00 0.00 1.50 146.50 189.50 210.50 41.50 0.00 a 0.00 0.00 a 589.50
1972 0.00 0.00 0.00 0.00 6.00 122.00 173.00 155.00 14.00 0.00 0.00 0.00 470.00
1973 0.00 0.00 0.00 0.00 10.00 126.00 185.00 220.50 9.00 0.00 0.00 0.00 550.50
1974 0.00 0.00 0.00 0.50 26.00 133.00 223.00 103.00 23.00 0.00 0.00 0.00 508.50
1975 0.00 0.00 0.00 0.00 3.00 58.50 253.00 153.00 25.86 a 0.00 0.00 0.00 493.36
1976 0.00 a 0.00 0.00 0.00 11.50 98.00 258.00 137.00 30.50 0.00 0.00 0.00 535.00
1977 0.00 0.00 0.00 0.00 11.50 196.50 267.50 148.00 61.50 0.00 0.00 0.00 685.00
1978 0.00 0.00 0.50 0.00 23.50 163.50 289.50 156.00 96.50 1.00 0.00 0.00 730.50
1979 0.00 0.00 0.00 0.00 7.00 124.50 271.50 127.00 83.00 3.50 0.00 0.00 616.50
1980 0.00 0.00 0.00 0.00 a 4.00 180.50 320.50 208.00 48.00 2.58 a 2.50 0.00 766.08
1981 0.00 0.00 a 0.00 5.00 8.50 190.50 245.00 190.00 68.50 0.00 0.00 0.00 a 707.50
1982 0.00 0.00 0.00 0.50 9.00 41.50 220.50 249.50 51.00 0.00 0.00 0.00 572.00
1983 0.00 0.00 0.00 0.00 10.50 71.50 255.50 299.50 86.50 0.00 0.00 0.00 723.50
1984 0.00 0.00 0.00 0.00 28.00 94.50 262.50 156.50 41.50 0.00 0.00 0.00 583.00
1985 0.00 0.00 0.00 0.00 17.50 99.00 210.00 192.50 41.50 0.00 0.00 0.00 560.50
1986 0.00 0.00 0.00 0.00 2.50 136.50 244.50 180.50 3.00 0.00 0.00 0.00 567.00
1987 0.00 0.00 0.00 1.00 13.50 143.50 250.00 170.50 23.00 0.00 0.00 0.00 601.50
1988 0.00 a 0.00 0.00 0.00 24.50 179.00 203.00 162.00 25.50 1.00 0.00 0.00 595.00
1989 0.00 0.00 0.00 2.00 20.50 72.00 276.50 129.00 36.00 3.00 0.00 d 0.00 539.00
1990 0.00 0.00 0.00 0.00 5.50 151.50 158.50 129.50 62.50 0.00 0.00 0.00 507.50
1991 0.00 0.00 0.00 0.50 25.00 125.00 234.50 183.00 34.50 0.00 0.00 0.00 602.50
1992 0.00 0.00 0.00 0.50 19.00 38.50 137.50 100.50 7.50 s 0.00 0.00 0.00 296.00
1993 0.00 0.00 0.00 0.00 3.00 88.50 155.00 117.50 11.50 2.50 0.00 0.00 378.00
1994 0.00 0.00 0.00 0.00 21.50 150.00 168.00 240.00 79.50 0.00 0.00 0.00 659.00
1995 0.00 0.00 0.00 0.00 0.50 67.00 216.50 288.00 70.50 0.00 i 0.00 0.00 642.50
1996 0.00 0.00 0.00 0.00 37.50 115.00 221.00 156.00 32.50 2.00 0.00 0.00 564.00
1997 0.00 0.00 0.00 0.00 1.00 83.50 186.00 125.50 56.00 1.00 0.00 0.00 453.00
1998 0.00 0.00 z 0.00 0.00 17.50 61.50 245.00 166.00 108.50 0.00 0.00 0.00 598.50
1999 0.00 0.00 a 0.00 0.00 7.00 68.00 247.48 a 113.15 a 10.34 a 0.00 a 0.00 0.00 a 445.98
2000 0.00 0.00 a 0.00 0.00 44.50 109.66 a 301.14 c 238.00 88.00 1.00 0.00 0.00 782.30
2001 0.00 0.00 0.00 a 0.00 10.00 140.00 248.52 a 167.00 31.00 0.00 0.00 0.00 596.52
2002 0.00 0.00 0.00 0.00 8.50 159.50 300.00 152.00 49.50 0.00 0.00 0.00 669.50
2003 0.00 0.00 0.00 0.00 44.50 61.50 411.50 278.50 36.00 0.00 0.00 0.00 832.00
2004 0.00 0.00 0.00 0.00 22.50 62.00 193.00 141.00 57.50 0.00 0.00 0.00 z 476.00
Period of Record Statistics
MEAN 0.00 0.00 0.01 0.19 11.89 95.20 212.81 163.44 38.17 0.50 0.04 0.00 530.78
S.D. 0.00 0.00 0.05 0.72 11.04 44.98 55.87 50.77 24.44 1.28 0.27 0.00 120.20
SKEW 0.00 0.00 9.75 4.82 1.19 0.33 0.44 0.30 0.81 3.29 8.14 0.00 0.08
MAX 0.00 0.00 0.50 5.00 44.50 196.50 411.50 299.50 108.50 7.50 2.50 0.00 832.00
MIN 0.00 0.00 0.00 0.00 0.00 18.50 94.00 35.50 3.00 0.00 0.00 0.00 201.50
NO YRS 98 96 98 98 98 97 97 96 96 94 97 96 87