JOHN MARTIN DAM, COLORADO

Monthly Total Cooling Degree Days

(054388)

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
1941 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 314.50 142.00 0.50 0.00 0.00 457.00
1942 0.00 0.00 0.00 0.50 44.00 144.00 344.00 276.00 76.50 3.50 0.00 0.00 888.50
1943 0.00 0.00 1.50 11.00 32.00 263.00 431.50 442.00 88.00 0.00 0.00 0.00 1269.00
1944 0.00 0.00 0.00 0.00 56.00 228.50 309.00 345.00 122.50 0.00 0.00 0.00 1061.00
1945 0.00 0.00 0.00 4.50 40.50 92.00 389.00 342.50 142.00 4.00 0.00 0.00 1014.50
1946 0.00 0.00 1.50 12.50 10.00 285.00 406.50 327.00 134.50 14.00 0.00 0.00 1191.00
1947 0.00 0.00 0.00 0.00 25.50 167.00 395.00 428.50 220.50 51.00 0.00 0.00 a 1287.50
1948 0.00 0.00 0.00 14.50 87.00 214.00 387.50 352.00 219.83 a 6.20 a 0.00 0.00 1281.03
1949 0.00 0.00 0.00 14.00 69.00 215.00 411.00 320.00 119.00 15.50 a 0.00 0.00 1163.50
1950 0.00 a 0.00 a 0.00 7.00 44.50 310.18 b 274.00 243.35 a 88.00 20.67 a 0.00 0.00 987.70
1951 0.00 0.00 0.00 2.50 61.00 116.50 446.50 382.85 a 113.08 d 20.50 0.00 0.00 1142.93
1952 0.00 0.00 0.00 0.00 53.00 483.50 480.00 412.50 166.50 4.00 0.00 0.00 1599.50
1953 0.00 0.00 0.00 3.00 100.50 393.50 523.00 377.50 182.50 20.50 0.00 0.00 1600.50
1954 0.00 0.00 0.00 16.00 70.00 389.50 527.00 388.50 250.50 30.00 0.00 0.00 1671.50
1955 0.00 0.00 0.00 9.00 80.00 209.00 517.00 381.50 185.00 14.00 0.00 0.00 1395.50
1956 0.00 0.00 a 0.00 14.00 128.50 401.00 380.50 321.50 170.00 15.00 0.00 0.00 1430.50
1957 0.00 0.00 0.00 2.00 14.47 a 209.00 443.00 382.00 79.50 11.50 0.00 0.00 1141.47
1958 0.00 0.00 0.00 0.00 132.00 312.41 a 346.50 400.50 202.00 9.00 0.00 0.00 1402.41
1959 0.00 0.00 0.00 0.00 85.00 323.00 360.50 389.50 139.00 0.00 0.00 0.00 1297.00
1960 0.00 0.00 0.00 31.00 41.50 262.50 346.00 405.00 145.00 9.00 0.00 0.00 1240.00
1961 0.00 0.00 0.00 15.00 78.00 225.00 335.50 332.50 81.50 0.50 0.00 0.00 1068.00
1962 0.00 0.00 0.00 11.00 136.00 206.50 373.50 383.50 110.50 7.50 0.00 0.00 1228.50
1963 0.00 0.00 4.50 13.50 135.50 350.00 520.50 377.00 226.50 45.50 0.00 0.00 1673.00
1964 0.00 0.00 0.00 0.00 119.50 254.50 518.50 358.00 168.00 4.50 0.00 0.00 1423.00
1965 0.00 0.00 0.00 16.00 98.50 190.50 427.50 270.00 103.50 5.00 0.00 0.00 1111.00
1966 0.00 0.00 0.00 0.00 92.00 301.00 542.00 294.50 110.50 8.00 0.00 0.00 1348.00
1967 0.00 0.00 1.50 23.00 88.00 211.00 400.50 305.50 104.00 43.00 0.00 0.00 1176.50
1968 0.00 a 0.00 0.00 0.00 15.50 280.00 353.50 285.00 78.00 15.00 0.00 0.00 1027.00
1969 0.00 0.00 0.00 0.00 70.50 142.00 431.00 393.00 112.50 11.00 0.00 0.00 1160.00
1970 0.00 0.00 0.00 0.00 100.00 235.50 399.50 405.50 116.50 0.00 0.00 0.00 1257.00
1971 0.00 0.00 0.00 0.00 21.50 301.00 320.00 289.50 116.50 6.50 0.00 0.00 1055.00
1972 0.00 0.00 0.00 6.00 64.50 276.50 359.00 309.50 110.50 13.50 0.00 0.00 1139.50
1973 0.00 0.00 0.00 c 1.00 35.50 0.00 z 0.00 z 0.00 z 59.50 3.00 0.00 b 0.00 b 99.00
1974 0.00 0.00 b 2.00 31.50 136.00 299.50 525.50 284.50 91.00 18.50 0.00 c 0.00 j 1388.50
1975 0.00 h 0.00 i 0.00 g 12.00 54.00 233.50 403.50 404.50 162.93 a 35.13 a 0.00 k 0.00 a 1305.56
1976 0.00 b 0.00 0.00 2.50 57.50 242.50 437.00 345.50 166.00 8.50 0.00 f 0.00 d 1259.50
1977 0.00 b 0.00 c 0.00 c 14.50 64.00 309.00 503.00 379.50 230.00 8.00 0.00 0.00 z 1508.00
1978 0.00 k 0.00 j 2.50 k 19.62 d 91.50 294.00 513.64 b 327.50 133.00 i 1.50 n 0.00 l 0.00 o 1246.25
1979 0.00 j 0.00 j 0.00 m 17.88 d 59.42 a 275.00 462.50 345.50 211.00 30.43 d 0.00 k 0.00 m 1401.73
1980 0.00 z 0.00 j 0.00 m 5.00 h 30.50 355.00 562.00 488.00 190.80 e 4.00 k 0.00 n 0.00 n 1626.30
1981 0.00 k 0.00 j 0.00 l 32.50 67.50 393.00 457.50 323.00 169.20 e 0.00 k 0.00 k 0.00 m 1442.70
1982 0.00 k 0.00 k 0.00 3.50 31.50 k 129.81 d 261.00 j 36.50 z 44.00 u 0.00 k 0.00 j 0.00 j 133.31
1983 0.00 j 0.00 i 0.00 z 1.00 z 20.50 f 111.50 g 294.00 k 357.50 h 121.00 i 0.00 m 0.00 j 0.00 j 0.00
1984 0.00 j 0.00 i 0.00 i 0.00 c 74.40 a 241.55 a 419.02 a 363.45 b 125.00 i 4.00 j 0.00 l 0.00 o 1098.42
1985 0.00 i 0.00 n 0.00 j 18.00 g 51.50 g 132.50 h 273.50 i 267.00 g 142.50 k 0.00 k 0.00 m 0.00 k 0.00
1986 0.00 j 0.00 i 0.50 j 23.57 b 39.00 k 181.00 i 268.00 k 202.50 j 91.50 1.50 j 0.00 o 0.00 j 115.07
1987 0.00 k 0.00 i 0.00 l 11.50 k 40.00 m 158.50 m 276.50 l 221.00 j 52.50 k 1.50 j 0.00 k 0.00 j 0.00
1988 0.00 o 0.00 i 0.00 0.00 m 46.00 m 213.50 k 266.00 k 403.00 70.00 i 0.00 l 0.00 j 0.00 k 403.00
1989 0.00 l 0.00 j 1.00 15.00 92.00 151.00 389.50 290.50 107.50 13.50 0.00 0.00 1060.00
1990 0.00 0.00 0.00 5.00 33.50 281.50 316.50 259.00 171.50 2.00 0.00 0.00 1069.00
1991 0.00 0.00 0.00 0.00 63.00 274.50 331.00 0.00 z 78.00 j 10.00 i 0.00 l 0.00 l 668.50
1992 0.00 0.00 0.00 2.00 72.00 130.00 c 231.00 i 83.00 j 89.00 i 0.00 j 0.00 k 0.00 l 204.00
1993 0.00 o 0.00 k 0.00 b 0.00 a 22.50 m 217.00 341.00 276.50 30.50 10.85 a 0.00 a 0.00 a 875.85
1994 0.00 i 0.00 0.00 8.00 l 55.50 j 304.50 198.50 k 355.50 65.50 i 0.50 m 0.00 m 0.00 j 660.00
1995 0.00 m 0.00 j 0.00 a 0.00 l 7.50 j 166.00 291.50 416.50 77.00 k 5.00 n 0.00 k 0.00 o 874.00
1996 0.00 n 0.00 j 0.00 l 9.11 b 66.00 j 177.50 j 205.00 i 172.50 i 50.00 k 1.00 j 0.00 l 0.00 9.11
1997 0.00 0.00 0.00 0.00 34.50 259.50 458.00 320.00 177.00 41.50 0.00 0.00 1290.50
1998 0.00 0.00 0.50 1.00 100.50 225.50 422.00 279.00 228.10 a 6.50 0.00 0.00 1263.10
1999 0.00 0.00 0.00 0.00 31.50 178.00 429.00 342.00 100.50 13.50 0.00 0.00 1094.50
2000 0.00 0.00 0.00 0.00 b 121.33 b 266.54 d 437.50 482.00 211.50 32.19 e 0.00 b 0.00 a 1551.06
2001 0.00 0.00 0.00 a 11.50 50.63 a 233.57 b 538.22 b 395.52 b 133.20 e 11.50 0.00 0.00 1374.15
2002 0.00 0.00 0.00 9.50 85.50 433.00 513.00 397.50 147.00 6.00 0.00 0.00 1591.50
2003 0.00 0.00 0.00 12.00 87.50 186.50 545.50 452.00 87.00 22.06 e 0.00 g 0.00 1392.56
2004 0.00 0.00 5.00 13.50 147.00 207.50 319.00 221.50 192.00 4.00 0.00 0.00 1109.50
2005 0.00 0.00 0.00 0.50 81.50 290.56 c 489.00 377.00 232.50 34.50 0.00 0.00 1505.56
2006 0.00 0.00 e 0.00 21.50 135.50 367.00 451.50 346.00 41.00 14.50 0.00 0.00 1377.00
2007 0.00 a 0.00 1.00 3.00 30.50 185.00 c 412.76 d 495.50 213.00 27.50 0.00 0.00 1368.26
2008 0.00 0.00 0.00 3.00 80.00 281.50 488.00 337.00 117.00 4.00 0.00 0.00 1310.50
2009 0.00 0.00 1.50 4.50 51.50 236.00 416.00 307.00 91.50 3.00 0.00 0.00 1111.00
2010 0.00 0.00 0.00 4.00 82.00 382.00 426.50 396.50 217.00 8.00 0.00 0.00 1516.00
2011 0.00 a 0.00 0.00 2.50 68.00 335.00 539.00 499.00 124.50 31.50 0.00 0.00 a 1599.50
2012 0.00 a 0.00 7.00 21.00 95.50 422.50 570.00 407.81 b 160.00 3.00 0.00 0.00 1686.81
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 0.44 8.17 72.26 262.17 427.98 357.99 142.98 14.07 0.00 0.00 1288.29
S.D. 0.00 0.00 1.28 8.79 34.55 83.42 75.78 61.56 53.47 12.84 0.00 0.00 205.83
SKEW 0.00 0.00 3.63 1.02 0.31 0.34 0.04 0.20 0.15 1.15 0.00 0.00 0.33
MAX 0.00 0.00 7.00 32.50 147.00 483.50 570.00 499.00 250.50 51.00 0.00 0.00 1686.81
MIN 0.00 0.00 0.00 0.00 10.00 92.00 274.00 221.50 30.50 0.00 0.00 0.00 888.50
NO YRS 55 56 61 64 61 64 61 63 60 57 53 55 47