HEREFORD, TEXAS

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 49.8 55.1 63.6 72.0 80.2 88.9 91.6 89.3 82.6 72.9 59.7 50.6 71.4
Highest Mean Max. Temperature (F) 58.5 64.8 71.5 79.3 88.4 97.2 97.1 94.6 89.6 77.2 68.8 58.5 97.2
Year Highest Occurred 1986 2000 1972 1978 1996 1990 1980 1985 1998 1979 1999 1980 1990
Lowest Mean Max. Temperature (F) 38.7 41.9 58.8 63.2 76.1 81.8 86.2 82.8 74.2 66.6 50.3 39.6 38.7
Year Lowest Occurred 1979 1978 1998 1997 1995 1989 1975 1971 1974 1984 1972 1983 1979
Mean Temperature (F) 35.5 39.9 47.3 55.7 65.0 74.0 77.6 75.7 68.5 57.7 44.9 36.6 56.5
Highest Mean Temperature (F) 41.7 47.4 53.3 61.0 71.7 79.8 81.6 79.4 74.4 60.4 51.2 43.2 81.6
Year Highest Occurred 1986 1976 1974 1981 1996 1980 1998 2000 1998 1998 1999 1980 1998
Lowest Mean Temperature (F) 26.3 31.3 43.7 48.9 61.5 69.0 74.2 70.8 62.0 51.5 38.0 26.7 26.3
Year Lowest Occurred 1979 1978 1987 1973 1980 1989 1976 1971 1974 1976 1972 1983 1979
Mean Min. Temperature (F) 21.1 24.6 30.9 39.4 49.7 59.1 63.5 62.1 54.3 42.5 30.1 22.6 41.7
Highest Mean Min. Temperature (F) 26.0 30.3 36.0 44.8 56.6 63.5 66.2 64.3 59.2 47.6 35.7 28.8 66.2
Year Highest Occurred 1998 1976 1974 1981 1977 1977 1998 2000 1998 1998 1998 1984 1998
Lowest Mean Min. Temperature (F) 13.9 20.6 26.0 34.0 44.7 54.7 61.9 58.9 49.9 35.1 24.1 13.8 13.8
Year Lowest Occurred 1979 1978 1971 1983 1983 1983 1976 1971 1975 1976 1976 1983 1983
Mean Precipitation (in.) 0.50 0.50 0.98 1.02 2.12 2.90 2.06 3.22 2.25 1.59 0.77 0.74 18.65
Highest Precipitation (in.) 2.13 1.59 3.38 5.20 5.39 6.54 5.81 8.31 5.45 7.89 2.45 2.68 8.31
Year Highest Occurred 1999 1986 1973 1997 1995 1999 1982 1986 1985 1998 1971 1991 1986
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 0.22 0.23 0.00 0.00 0.00 0.00 0.00
Year Lowest Occurred 1996 2000 1996 1996 1998 1990 1974 2000 2000 1975 1999 1981 1996
Heating Degree Days (F) 917. 703. 550. 297. 98. 11. 0. 1. 44. 236. 604. 881. 4342.
Cooling Degree Days (F) 0. 0. 0. 17. 98. 281. 390. 333. 147. 8. 0. 0. 1274.

Western Regional Climate Center, wrcc@dri.edu