TWO BUTTES, COLORADO

Monthly Total Cooling Degree Days

(058510)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197203
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
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 128.00 39.50 0.00 0.00 167.50
1901 0.00 b 0.00 a 0.00 4.50 8.50 259.50 480.00 380.50 124.50 2.50 0.00 0.00 1260.00
1902 0.00 0.00 0.00 5.50 95.50 215.50 347.00 458.50 92.00 1.50 0.00 0.00 1215.50
1903 0.00 0.00 0.00 0.00 10.50 134.00 512.50 401.00 167.50 37.00 0.00 0.00 1262.50
1904 0.00 0.00 0.00 0.00 28.50 144.50 298.00 252.50 105.50 23.77 a 0.00 0.00 852.77
1905 0.00 0.00 0.00 b 0.00 18.08 a 286.00 391.50 402.47 b 128.00 0.00 b 0.00 0.00 z 1226.05
1906 0.00 0.00 0.00 0.00 0.00 128.65 d 175.00 224.50 55.50 0.00 p 0.00 0.00 d 583.65
1907 0.00 a 0.00 e 0.00 f 0.00 a 36.00 96.21 a 241.00 h 279.57 d 178.39 b 0.00 j 0.00 b 0.00 i 590.17
1908 0.00 p 0.00 0.00 0.00 21.50 179.50 268.67 a 371.48 a 211.50 3.50 0.00 0.00 1056.15
1909 0.00 0.00 0.00 c 0.00 10.00 224.00 417.00 431.23 c 99.50 1.50 0.00 0.00 1183.23
1910 0.00 a 0.00 0.00 6.00 17.05 a 261.72 a 427.11 d 349.50 97.00 22.00 0.00 a 0.00 1180.39
1911 0.00 b 0.00 g 0.00 d 0.00 59.86 b 304.00 363.00 161.50 k 212.31 d 23.00 0.00 0.00 962.17
1912 0.00 0.00 0.00 b 2.50 169.47 a 145.50 327.00 258.00 0.00 z 32.00 0.00 0.00 934.47
1913 0.00 0.00 0.00 a 7.00 132.00 170.50 396.00 398.50 86.50 2.07 a 0.00 0.00 1192.57
1914 0.00 0.00 0.00 8.79 a 20.00 226.00 24.50 z 279.00 181.50 0.00 0.00 0.00 b 715.29
1915 0.00 0.00 a 0.00 b 0.00 31.00 b 64.50 188.00 113.50 99.50 2.00 0.00 a 0.00 498.50
1916 0.00 0.00 0.00 0.00 62.50 167.00 406.00 305.87 a 76.55 a 16.00 0.00 0.00 1033.92
1917 0.00 d 0.00 b 0.00 0.00 a 44.50 271.11 c 431.50 232.50 96.00 24.50 0.00 0.00 1100.11
1918 0.00 0.00 0.00 0.00 65.00 390.00 346.50 427.80 a 136.50 2.00 0.00 0.00 a 1367.80
1919 0.00 0.00 0.50 0.00 6.50 155.50 297.00 296.00 142.50 0.00 0.00 0.00 898.00
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 2.00 45.00 180.00 334.00 330.50 145.00 8.00 0.00 0.00 1044.50
1922 0.00 0.00 0.00 0.00 5.00 229.00 338.50 380.00 195.50 19.50 0.00 0.00 a 1167.50
1923 0.00 a 0.00 0.00 0.00 a 13.00 283.50 617.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 913.50
1924 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 430.50 101.50 19.12 a 0.00 0.00 551.12
1925 0.00 0.00 0.00 9.50 126.00 0.00 z 418.00 309.50 148.50 12.50 0.00 0.00 z 1024.00
1926 0.00 z 0.00 0.00 z 0.00 z 0.00 z 222.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 222.00
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 5.50 0.00 z 0.00 z 5.50
1928 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 85.00 332.14 c 256.00 g 92.00 18.00 0.00 0.00 527.14
1929 0.00 0.00 0.00 1.00 13.00 221.00 400.00 341.50 79.00 4.13 a 0.00 0.00 1059.63
1930 0.00 0.00 0.00 2.50 5.00 231.00 356.50 347.50 101.00 i 0.00 z 0.00 g 0.00 942.50
1931 0.00 0.00 0.00 z 0.00 18.00 270.50 413.50 294.00 287.00 40.00 2.00 0.00 1325.00
1932 0.00 0.00 z 0.00 1.50 43.00 90.50 465.50 359.50 71.00 8.50 0.00 0.00 1039.50
1933 0.00 0.00 z 0.00 0.00 44.50 335.00 446.50 292.00 247.00 0.00 0.00 0.00 1365.00
1934 0.00 0.00 0.00 1.50 153.00 342.00 614.00 431.00 95.50 16.00 0.00 0.00 1653.00
1935 0.00 0.00 0.00 2.00 9.50 284.50 525.50 379.00 164.50 18.00 0.00 0.00 1383.00
1936 0.00 0.00 0.00 8.00 63.50 44.50 v 349.50 h 279.00 h 179.00 1.00 0.00 0.00 251.50
1937 0.00 0.00 0.00 5.50 71.00 212.00 431.00 454.00 150.00 9.00 0.00 0.00 a 1332.50
1938 0.00 0.00 0.00 j 11.00 46.50 233.50 379.50 396.50 132.50 16.50 0.00 0.00 1216.00
1939 0.00 0.00 0.00 11.00 35.50 160.80 e 403.55 c 302.50 219.50 8.00 0.00 0.00 1140.85
1940 0.00 0.00 0.00 0.00 25.00 187.00 442.00 255.50 154.00 8.00 0.00 d 0.00 g 1071.50
1941 0.00 0.00 0.00 9.00 95.00 182.50 291.50 i 162.00 m 87.50 h 5.50 0.00 0.00 292.00
1942 0.00 0.00 0.00 1.50 77.50 178.00 394.00 352.50 119.00 3.50 0.00 i 0.00 1126.00
1943 0.00 0.00 10.00 18.50 22.50 253.00 386.50 417.00 84.00 5.00 0.00 0.00 1196.50
1944 0.00 0.00 0.00 0.00 37.50 200.00 267.63 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 505.13
1945 0.00 z 0.00 z 0.00 z 0.00 0.00 z 257.50 0.00 z 0.00 z 26.50 2.00 0.00 z 0.00 z 286.00
1946 0.00 0.00 3.50 4.50 12.50 0.00 z 0.00 z 183.50 86.00 21.00 0.00 0.00 311.00
1947 0.00 0.00 0.00 0.00 19.50 0.00 z 0.00 z 0.00 z 143.00 0.00 z 0.00 z 0.00 z 162.50
1948 0.00 z 0.00 0.00 7.50 64.50 168.50 336.50 275.38 a 177.00 6.50 0.00 0.00 1035.88
1949 0.00 a 0.00 z 0.00 0.00 z 13.00 m 164.00 298.00 233.50 62.00 11.50 0.00 0.00 769.00
1950 0.00 0.00 0.00 i 5.00 25.00 236.50 233.50 187.50 53.50 28.50 0.00 0.00 769.50
1951 0.00 0.00 0.00 2.50 41.50 69.50 347.50 337.50 82.50 8.50 0.00 0.00 a 889.50
1952 0.00 0.00 0.00 0.00 39.50 430.50 406.00 394.00 124.50 5.50 0.00 p 0.00 a 1400.00
1953 0.00 0.00 0.00 3.50 75.00 372.00 399.00 305.00 166.50 11.50 0.00 0.00 1332.50
1954 0.00 0.00 0.00 10.50 46.50 a 295.50 450.02 a 306.50 214.50 35.00 0.00 0.00 1358.52
1955 0.00 0.00 0.00 3.00 35.17 e 128.00 401.00 335.00 147.50 15.00 0.00 0.00 1064.67
1956 0.00 0.00 0.00 w 4.00 112.50 312.00 289.50 254.00 108.50 9.00 0.00 0.00 1089.50
1957 0.00 a 0.00 0.00 6.50 3.50 155.50 421.08 a 336.00 66.50 12.50 0.00 0.00 1001.58
1958 0.00 0.00 0.00 0.00 62.50 220.50 290.50 346.50 157.50 15.50 0.00 0.00 1093.00
1959 0.00 0.00 0.00 0.00 32.50 230.17 a 298.63 a 358.50 105.50 0.00 0.00 0.00 a 1025.31
1960 0.00 0.00 0.00 10.00 30.50 218.00 290.00 333.00 122.00 6.00 0.00 a 0.00 1009.50
1961 0.00 0.00 0.00 3.00 80.50 214.50 311.00 272.50 80.50 4.00 0.00 a 0.00 966.00
1962 0.00 0.00 0.00 7.00 97.00 163.00 294.50 358.00 90.50 8.50 0.00 0.00 1018.50
1963 0.00 0.00 0.50 8.00 106.00 253.50 451.50 366.50 185.00 41.00 0.00 0.00 1412.00
1964 0.00 0.00 0.00 0.00 69.50 184.50 495.00 272.00 0.00 z 7.00 0.00 0.00 n 1028.00
1965 0.00 b 0.00 0.00 14.00 17.00 110.50 325.00 291.50 118.00 1.00 0.00 0.00 877.00
1966 0.00 0.00 a 0.00 0.00 112.00 251.00 345.50 h 244.42 e 60.50 0.00 z 0.00 0.00 667.92
1967 0.00 h 0.00 2.00 11.00 47.50 145.50 g 376.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 436.50
1968 0.00 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
1969 0.00 z 0.00 z 0.00 z 2.50 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1970 0.00 z 0.00 z 0.00 z 0.00 z 59.00 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1971 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.50 o 14.47 a 0.00 0.00 14.47
1972 0.00 0.00 d 1.79 e 0.00 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 1.79
Period of Record Statistics
MEAN 0.00 0.00 0.32 3.59 48.59 214.23 377.30 325.93 128.64 12.25 0.03 0.00 1129.88
S.D. 0.00 0.00 1.43 4.36 39.36 77.69 88.36 73.08 52.72 11.27 0.26 0.00 217.42
SKEW 0.00 0.00 5.86 1.19 1.12 0.39 0.33 -0.39 0.65 1.06 7.42 0.00 -0.32
MAX 0.00 0.00 10.00 18.50 169.47 430.50 617.00 458.50 287.00 41.00 2.00 0.00 1653.00
MIN 0.00 0.00 0.00 0.00 0.00 64.50 175.00 113.50 26.50 0.00 0.00 0.00 498.50
NO YRS 58 58 57 61 60 59 55 55 58 59 58 56 31