MORTON, TEXAS

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 52.5 57.8 65.7 73.7 82.2 89.9 91.4 89.0 82.9 74.3 62.1 53.7 72.9
Highest Mean Max. Temperature (F) 60.3 67.8 73.9 80.1 90.2 99.0 97.4 94.4 90.7 79.8 71.7 59.5 99.0
Year Highest Occurred 2000 2000 1974 1978 1996 1990 1980 2000 2000 1979 1999 1994 1990
Lowest Mean Max. Temperature (F) 43.3 45.8 60.6 65.9 77.9 84.7 85.0 80.9 74.5 67.6 52.8 43.4 43.3
Year Lowest Occurred 1979 1978 1998 1973 1992 1986 1975 1971 1974 1976 1972 1983 1979
Mean Temperature (F) 37.8 42.2 49.5 57.6 67.1 75.3 77.8 75.7 69.2 59.3 47.4 39.2 58.2
Highest Mean Temperature (F) 44.3 49.3 55.7 61.9 74.3 81.9 82.5 79.1 75.0 62.9 54.0 44.8 82.5
Year Highest Occurred 1999 2000 1974 1989 1996 1990 1998 2000 1998 1998 1999 1994 1998
Lowest Mean Temperature (F) 31.0 34.5 44.9 51.0 63.3 71.5 73.5 70.6 62.7 52.2 40.4 30.1 30.1
Year Lowest Occurred 1979 1978 1987 1983 1976 1983 1976 1971 1974 1976 1972 1983 1983
Mean Min. Temperature (F) 23.1 26.5 33.2 41.4 52.0 60.7 64.2 62.3 55.5 44.3 32.7 24.7 43.4
Highest Mean Min. Temperature (F) 28.6 32.9 37.5 46.3 58.3 64.8 67.7 65.0 60.0 49.3 38.0 30.1 67.7
Year Highest Occurred 1999 1992 1974 1981 1996 1990 1993 1977 1998 1998 1978 1991 1993
Lowest Mean Min. Temperature (F) 17.1 22.8 28.6 35.0 45.5 56.0 61.4 59.6 50.3 36.8 27.2 16.7 16.7
Year Lowest Occurred 1977 1988 1984 1983 1983 1983 1976 1976 1984 1976 1976 1983 1983
Mean Precipitation (in.) 0.50 0.58 0.64 0.89 1.92 2.52 2.61 2.97 2.66 1.64 0.79 0.62 18.34
Highest Precipitation (in.) 1.95 1.94 3.47 3.95 6.00 7.38 6.23 6.62 6.12 5.28 2.56 2.83 7.38
Year Highest Occurred 1993 1998 1999 1997 1992 1985 1981 1972 1974 1981 2000 1991 1985
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.04 0.11 0.00 0.22 0.00 0.00 0.00 0.00 0.00
Year Lowest Occurred 2000 2000 1971 1996 2000 1990 1978 1975 2000 1992 1999 2000 2000
Heating Degree Days (F) 843. 639. 483. 244. 69. 5. 0. 1. 38. 197. 528. 800. 3847.
Cooling Degree Days (F) 0. 0. 0. 21. 132. 313. 395. 332. 164. 20. 0. 0. 1377.

Western Regional Climate Center, wrcc@dri.edu