ROCK SPRINGS FAA AP, WYOMING

Monthly Total Cooling Degree Days

(487845)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 93.50 31.00 0.00 0.00 0.00 124.50
1949 0.00 0.00 0.00 0.00 0.00 6.00 95.00 82.00 0.00 0.00 0.00 0.00 183.00
1950 0.00 0.00 0.00 0.00 0.00 a 3.00 32.50 33.00 33.50 0.00 0.00 0.00 102.00
1951 0.00 0.00 0.00 0.00 0.00 a 4.50 126.00 47.50 0.00 0.00 0.00 0.00 178.00
1952 0.00 0.00 0.00 0.00 0.00 26.00 116.50 84.00 17.00 0.00 0.00 0.00 243.50
1953 0.00 0.00 0.00 0.00 0.00 55.00 197.00 67.00 7.00 0.00 0.00 0.00 326.00
1954 0.00 0.00 0.00 0.00 8.00 61.00 195.00 90.00 7.76 a 0.00 0.00 0.00 361.76
1955 0.00 0.00 0.00 0.00 0.00 23.50 147.00 123.50 35.50 0.00 0.00 0.00 329.50
1956 0.00 0.00 0.00 0.00 0.00 59.50 114.50 60.50 3.00 0.00 0.00 0.00 237.50
1957 0.00 0.00 0.00 0.00 a 0.00 24.00 94.00 87.50 0.00 0.00 0.00 a 0.00 205.50
1958 0.00 0.00 0.00 0.00 4.00 20.50 57.50 145.00 11.50 0.00 0.00 0.00 238.50
1959 0.00 0.00 0.00 0.00 0.00 61.50 148.50 58.00 23.00 0.00 0.00 0.00 291.00
1960 0.00 0.00 0.00 0.00 2.50 26.50 185.50 96.00 20.00 0.00 0.00 0.00 330.50
1961 0.00 0.00 0.00 0.00 0.00 72.00 93.50 56.00 0.00 0.00 0.00 0.00 221.50
1962 0.00 0.00 0.00 0.00 0.00 16.50 52.50 63.00 3.00 0.00 0.00 0.00 135.00
1963 0.00 0.00 0.00 0.00 0.00 9.50 91.50 62.50 2.00 0.00 0.00 0.00 165.50
1964 0.00 0.00 0.00 0.00 1.00 15.00 0.00 z 67.50 0.00 0.00 0.00 0.00 83.50
1965 0.00 0.00 0.00 0.00 0.00 0.00 56.00 36.00 0.00 0.00 0.00 0.00 92.00
1966 0.00 0.00 0.00 0.00 0.00 22.00 167.50 64.00 5.00 0.00 0.00 0.00 258.50
1967 0.00 0.00 0.00 0.00 0.00 2.00 105.00 91.50 13.50 0.00 0.00 0.00 212.00
1968 0.00 0.00 0.00 0.00 0.00 20.50 107.00 38.50 0.00 0.00 0.00 0.00 166.00
1969 0.00 0.00 0.00 0.00 1.00 8.00 127.00 170.00 5.50 0.00 0.00 0.00 311.50
1970 0.00 0.00 0.00 0.00 3.50 39.50 98.00 159.50 0.00 0.00 0.00 0.00 300.50
1971 0.00 0.00 0.00 0.00 0.00 32.50 74.00 154.00 9.50 0.00 0.00 0.00 270.00
1972 0.00 0.00 0.00 0.00 0.00 12.00 74.50 79.50 0.00 0.00 0.00 0.00 166.00
1973 0.00 0.00 0.00 0.00 0.00 52.00 77.50 91.00 0.00 0.00 0.00 0.00 220.50
1974 0.00 0.00 0.00 0.00 0.00 90.00 127.00 45.00 7.00 0.00 0.00 0.00 269.00
1975 0.00 0.00 0.00 0.00 0.00 0.50 124.50 25.50 0.50 0.00 0.00 0.00 151.00
1976 0.00 0.00 0.00 0.00 0.00 13.50 152.50 22.00 5.50 0.00 0.00 0.00 193.50
1977 0.00 0.00 0.00 0.00 0.00 81.00 106.00 51.50 10.00 0.00 0.00 0.00 248.50
1978 0.00 0.00 0.00 0.00 0.00 22.00 106.00 46.50 19.50 0.00 0.00 0.00 194.00
1979 0.00 0.00 b 0.00 0.00 0.00 44.50 98.00 58.00 22.00 0.00 0.00 0.00 222.50
1980 0.00 0.00 0.00 0.00 0.00 31.50 112.50 50.50 0.00 0.00 0.00 0.00 194.50
1981 0.00 0.00 0.00 0.00 0.00 43.50 111.00 43.00 0.00 0.00 0.00 0.00 197.50
1982 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 z 0.00
1983 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4.50 n 0.00 z 0.00 0.00 0.00
1984 0.00 e 0.00 0.00 0.00 0.00 14.50 100.00 83.50 5.50 0.00 0.00 0.00 203.50
1985 0.00 0.00 0.00 0.00 0.00 53.50 187.00 70.50 4.50 0.00 0.00 0.00 315.50
1986 0.00 0.00 0.00 0.00 0.00 48.00 43.50 0.00 z 0.00 0.00 0.00 0.00 91.50
1987 0.00 0.00 0.00 0.00 0.00 26.50 70.50 48.50 5.00 0.00 0.00 0.00 150.50
1988 0.00 0.00 0.00 0.00 0.00 119.00 222.50 87.50 10.50 0.00 0.00 0.00 439.50
1989 0.00 0.00 0.00 0.00 0.00 24.00 185.00 51.50 2.00 0.00 0.00 0.00 262.50
1990 0.00 0.00 0.00 0.00 0.00 78.00 122.00 71.00 44.00 0.00 0.00 0.00 315.00
1991 0.00 0.00 0.00 0.00 0.00 8.50 104.00 72.50 12.50 0.00 0.00 0.00 197.50
1992 0.00 0.00 0.00 0.00 0.00 20.50 47.00 111.50 1.00 0.00 0.00 0.00 180.00
1993 0.00 0.00 0.00 0.00 0.00 5.50 26.50 11.00 2.50 0.00 0.00 0.00 45.50
1994 0.00 0.00 b 0.00 a 0.00 0.00 55.00 126.00 108.50 6.50 0.00 0.00 0.00 296.00
1995 0.00 0.00 0.00 z 0.00 0.00 b 4.50 59.00 94.00 19.00 0.00 0.00 0.00 176.50
1996 0.00 0.00 0.00 a 0.00 0.00 16.50 119.00 84.50 5.00 0.00 0.00 a 0.00 225.00
1997 0.00 0.00 a 0.00 0.00 0.00 15.00 83.00 65.00 1.50 0.00 0.00 0.00 164.50
1998 0.00 0.00 0.00 0.00 0.00 4.50 136.50 85.50 37.00 0.00 0.00 0.00 263.50
1999 0.00 0.00 0.00 0.00 b 0.00 9.50 113.00 71.50 0.00 0.00 0.00 0.00 z 194.00
2000 0.00 0.00 0.00 0.00 4.50 29.50 163.00 156.50 11.38 a 0.00 0.00 a 0.00 364.88
2001 0.00 b 0.00 0.00 0.00 0.00 69.50 181.87 a 139.00 19.66 a 0.00 0.00 0.00 a 410.02
2002 0.00 0.00 0.00 0.00 12.00 80.50 249.00 73.00 12.50 0.00 0.00 0.00 427.00
2003 0.00 0.00 0.00 0.00 25.00 14.50 281.50 197.50 7.00 0.00 0.00 0.00 525.50
2004 0.00 0.00 0.00 0.00 1.00 13.50 114.50 63.00 4.00 0.00 0.00 0.00 196.00
2005 0.00 0.00 0.00 0.00 0.50 19.50 182.00 57.50 5.50 0.00 0.00 0.00 265.00
2006 0.00 0.00 0.00 0.00 0.50 61.00 239.00 91.00 0.00 0.00 0.00 0.00 391.50
2007 0.00 0.00 0.00 0.00 0.00 93.00 269.00 136.50 20.00 0.00 0.00 0.00 518.50
2008 0.00 0.00 0.00 0.00 0.50 28.50 190.50 101.00 0.00 0.00 0.00 0.00 320.50
2009 0.00 0.00 0.00 0.00 0.50 8.50 104.00 81.00 19.00 0.00 0.00 0.00 213.00
2010 0.00 0.00 0.00 0.00 0.00 31.00 145.50 76.50 5.50 0.00 0.00 0.00 258.50
2011 0.00 j 0.00 0.00 0.00 0.00 17.50 133.00 163.00 4.50 0.00 c 0.00 0.00 318.00
2012 0.00 0.00 0.00 0.00 0.00 111.00 216.00 192.00 5.00 0.00 0.00 0.00 524.00
2013 0.00 a 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 1.04 33.54 127.60 83.65 8.93 0.00 0.00 0.00 257.70
S.D. 0.00 0.00 0.00 0.00 3.68 28.80 57.72 41.33 10.52 0.00 0.00 0.00 103.06
SKEW 0.00 0.00 0.00 0.00 5.13 1.10 0.67 0.95 1.50 0.00 0.00 0.00 0.79
MAX 0.00 0.00 0.00 0.00 25.00 119.00 281.50 197.50 44.00 0.00 0.00 0.00 525.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 26.50 11.00 0.00 0.00 0.00 0.00 45.50
NO YRS 63 64 62 62 62 62 61 62 63 63 64 63 57