ALAMOSA SAN LUIS AP, COLORADO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 33.3 39.9 48.7 58.6 68.0 77.8 82.0 79.2 72.7 62.5 47.4 35.4 58.8
Highest Mean Max. Temperature (F) 45.3 48.0 58.2 65.9 74.0 82.8 85.8 82.3 76.6 68.5 52.9 48.6 62.1
Year Highest Occurred 1981 1981 1989 1989 1984 1990 1980 1962 1983 1963 1989 1980 1989
Lowest Mean Max. Temperature (F) 20.6 30.5 41.2 51.8 63.5 73.3 79.4 75.2 69.1 52.7 34.3 23.4 56.1
Year Lowest Occurred 1984 1984 1965 1973 1983 1965 1968 1968 1986 1969 1972 1964 1984
Mean Temperature (F) 14.7 22.4 32.3 41.1 50.4 59.4 64.9 62.4 54.8 43.5 29.9 17.5 41.1
Highest Mean Temperature (F) 25.0 30.2 37.7 45.5 55.2 62.6 67.5 65.9 58.3 48.9 34.8 28.1 43.6
Year Highest Occurred 1986 1962 1974 1981 1984 1981 1966 1969 1990 1963 1965 1980 1981
Lowest Mean Temperature (F) 1.6 10.6 25.0 36.2 46.8 56.5 63.0 59.3 52.2 38.6 18.6 6.7 38.6
Year Lowest Occurred 1984 1979 1964 1970 1983 1983 1962 1974 1985 1969 1972 1964 1979
Mean Min. Temperature (F) -3.9 4.8 15.8 23.5 32.8 41.0 47.8 45.4 36.7 24.6 12.3 -0.5 23.4
Highest Mean Min. Temperature (F) 6.3 14.9 20.7 27.2 36.4 43.8 51.1 50.0 41.1 32.8 18.4 7.6 26.0
Year Highest Occurred 1969 1962 1974 1990 1984 1981 1969 1969 1990 1972 1978 1980 1986
Lowest Mean Min. Temperature (F) -17.5 -9.6 7.0 18.4 29.3 37.9 43.5 40.0 31.7 20.2 2.4 -10.1 20.2
Year Lowest Occurred 1984 1979 1964 1970 1975 1982 1987 1978 1987 1980 1979 1964 1979
Mean Precipitation (in.) 0.26 0.29 0.45 0.49 0.64 0.67 1.19 1.12 0.89 0.70 0.43 0.44 7.57
Highest Precipitation (in.) 0.75 1.42 1.42 1.72 1.85 2.58 3.50 3.28 1.85 2.37 1.02 1.52 11.55
Year Highest Occurred 1979 1963 1973 1990 1973 1969 1968 1967 1982 1969 1986 1964 1969
Lowest Precipitation (in.) 0.00 0.03 0.03 0.00 0.01 0.00 0.03 0.21 0.03 0.00 0.00 0.00 3.94
Year Lowest Occurred 1981 1970 1971 1972 1975 1980 1987 1980 1966 1983 1989 1980 1989
Heating Degree Days (F) 1559. 1193. 1014. 717. 453. 174. 42. 98. 306. 667. 1053. 1473. 8749.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 6. 39. 17. 0. 0. 0. 0. 62.

Western Regional Climate Center, wrcc@dri.edu