SAN JON, NEW MEXICO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 51.5 56.9 64.6 72.5 81.2 90.3 92.6 90.2 83.8 73.9 60.8 52.1 72.5
Highest Mean Max. Temperature (F) 60.0 66.9 73.3 79.8 90.4 99.0 98.5 95.5 91.7 80.2 70.2 60.2 99.0
Year Highest Occurred 1986 2000 1974 1989 1996 1990 1980 2000 2000 1979 1999 1980 1990
Lowest Mean Max. Temperature (F) 39.8 46.7 59.2 63.7 76.9 85.9 87.4 84.9 78.2 67.6 50.3 43.4 39.8
Year Lowest Occurred 1979 1978 1973 1997 1983 1986 1975 1971 1974 1984 1972 1983 1979
Mean Temperature (F) 37.6 42.3 49.5 57.3 66.4 75.7 79.1 77.2 70.2 59.5 46.8 38.5 58.3
Highest Mean Temperature (F) 43.7 50.7 55.6 63.0 74.3 83.3 85.2 82.2 75.4 62.1 53.5 45.5 85.2
Year Highest Occurred 2000 2000 1974 1981 1996 1990 1980 2000 1983 1979 1999 1980 1980
Lowest Mean Temperature (F) 28.3 35.2 45.8 49.8 61.8 71.8 74.9 72.6 65.4 53.9 38.6 30.9 28.3
Year Lowest Occurred 1979 1978 1987 1973 1983 1983 1975 1971 1974 1976 1972 1983 1979
Mean Min. Temperature (F) 23.6 27.7 34.3 42.0 51.6 61.1 65.6 64.1 56.5 45.0 32.8 24.9 44.1
Highest Mean Min. Temperature (F) 28.9 34.5 38.3 48.9 58.2 67.6 71.8 68.8 61.2 49.4 37.7 30.9 71.8
Year Highest Occurred 2000 2000 1986 1981 1996 1990 1980 2000 1983 1998 1998 1980 1980
Lowest Mean Min. Temperature (F) 16.8 22.9 29.9 35.1 46.6 56.4 62.4 60.3 51.9 40.0 26.9 18.2 16.8
Year Lowest Occurred 1979 1989 1984 1973 1983 1983 1975 1971 1973 1976 1976 1989 1979
Mean Precipitation (in.) 0.57 0.55 0.94 1.15 1.98 2.33 2.81 3.38 1.81 1.52 0.87 0.58 18.49
Highest Precipitation (in.) 2.39 1.98 2.63 5.77 5.61 5.73 9.06 10.61 5.06 4.89 3.79 2.63 10.61
Year Highest Occurred 1999 1990 1985 1997 1994 1988 1972 1981 1988 1998 1986 1997 1981
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.13 0.02 0.22 0.00 0.00 0.00 0.00 0.00
Year Lowest Occurred 2000 2000 1997 1996 1998 1998 1987 1973 2000 1975 1989 1976 2000
Heating Degree Days (F) 851. 636. 481. 259. 81. 6. 0. 1. 27. 188. 546. 822. 3898.
Cooling Degree Days (F) 0. 0. 0. 27. 123. 327. 436. 377. 181. 16. 0. 0. 1487.

Western Regional Climate Center, wrcc@dri.edu