GRANDFALLS 3 SSE, TEXAS

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 59.3 65.2 73.9 83.3 90.0 95.7 97.2 96.2 89.5 81.0 70.3 61.2 80.2
Highest Mean Max. Temperature (F) 65.6 74.8 81.5 90.7 95.6 105.3 102.9 101.1 98.5 88.1 77.5 69.1 82.4
Year Highest Occurred 1971 1976 1974 1972 1985 1990 1980 1977 1977 1979 1973 1970 1977
Lowest Mean Max. Temperature (F) 50.4 57.6 64.5 76.6 84.3 90.8 90.0 88.8 80.0 75.1 61.4 53.5 78.3
Year Lowest Occurred 1979 1978 1969 1973 1976 1972 1976 1971 1974 1970 1976 1983 1968
Mean Temperature (F) 42.3 47.4 55.6 65.3 73.1 80.6 82.9 81.7 75.4 65.0 53.2 44.3 63.9
Highest Mean Temperature (F) 48.0 54.0 62.0 71.4 77.2 89.1 86.9 86.2 81.7 68.5 58.3 49.3 65.4
Year Highest Occurred 1969 1962 1974 1967 1962 1990 1980 1977 1977 1963 1965 1970 1977
Lowest Mean Temperature (F) 37.8 41.4 49.3 58.9 68.0 77.2 77.6 76.6 68.6 58.6 45.8 37.6 61.8
Year Lowest Occurred 1979 1964 1969 1973 1976 1972 1976 1971 1974 1976 1976 1983 1976
Mean Min. Temperature (F) 25.3 29.4 37.2 47.2 56.2 65.5 68.5 67.2 61.2 48.9 36.0 27.3 47.5
Highest Mean Min. Temperature (F) 31.9 34.6 42.4 55.5 59.9 72.8 71.9 71.3 64.8 54.8 42.9 34.9 49.7
Year Highest Occurred 1968 1962 1985 1967 1977 1990 1969 1964 1977 1983 1978 1984 1969
Lowest Mean Min. Temperature (F) 20.6 23.0 31.5 39.9 51.6 62.0 64.9 64.4 56.5 41.9 28.5 20.6 44.8
Year Lowest Occurred 1964 1964 1988 1980 1976 1979 1975 1971 1989 1976 1979 1989 1976
Mean Precipitation (in.) 0.36 0.57 0.41 0.77 1.40 1.41 1.15 1.48 2.22 1.36 0.65 0.46 12.24
Highest Precipitation (in.) 1.20 2.47 1.96 4.83 5.69 4.37 3.54 6.50 7.50 6.44 3.44 3.76 28.54
Year Highest Occurred 1981 1965 1970 1981 1987 1985 1973 1971 1980 1986 1978 1986 1986
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.17 0.00 0.00 0.00 0.02 0.04 0.00 0.00 5.42
Year Lowest Occurred 1988 1974 1984 1988 1962 1981 1984 1973 1982 1988 1988 1985 1983
Heating Degree Days (F) 704. 493. 306. 96. 6. 0. 0. 0. 0. 78. 360. 642. 2685.
Cooling Degree Days (F) 0. 0. 15. 105. 257. 468. 555. 518. 316. 78. 6. 0. 2318.

Western Regional Climate Center, wrcc@dri.edu