FORMAN 5 SSE, NORTH DAKOTA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 17.5 24.7 36.8 54.5 68.9 77.4 83.2 82.2 71.2 57.4 36.9 23.0 52.8
Highest Mean Max. Temperature (F) 31.9 37.6 48.0 64.5 77.9 90.4 90.8 89.5 78.4 63.7 51.0 35.6 90.8
Year Highest Occurred 1990 1987 1981 1987 1977 1988 1988 1983 1998 1973 1999 1999 1988
Lowest Mean Max. Temperature (F) 4.6 9.8 27.6 40.6 61.1 70.4 72.7 76.4 64.6 53.9 24.9 6.4 4.6
Year Lowest Occurred 1994 1979 1989 1975 1979 1993 1992 1985 1986 1995 1996 1983 1994
Mean Temperature (F) 7.8 15.1 27.7 43.5 57.0 65.8 71.0 69.3 58.3 45.4 27.9 13.9 41.9
Highest Mean Temperature (F) 22.4 28.4 37.0 50.6 65.5 75.5 75.9 75.6 64.3 51.8 38.8 24.4 75.9
Year Highest Occurred 1990 1987 2000 1987 1977 1988 1988 1983 1978 1973 1999 1999 1988
Lowest Mean Temperature (F) -6.0 -0.6 18.7 34.7 50.1 60.2 62.9 63.7 53.1 41.4 15.9 -1.9 -6.0
Year Lowest Occurred 1982 1979 1975 1975 1979 1982 1992 1977 1993 1976 1985 1983 1982
Mean Min. Temperature (F) -2.0 5.4 18.6 32.4 45.1 54.2 58.8 56.4 45.3 33.3 18.8 4.8 30.9
Highest Mean Min. Temperature (F) 13.0 20.6 29.3 38.1 53.2 60.6 63.7 61.7 51.3 39.8 26.6 17.2 63.7
Year Highest Occurred 1990 1998 1973 1977 1977 1988 1983 1983 1978 1973 1999 1997 1983
Lowest Mean Min. Temperature (F) -16.5 -11.1 7.1 27.1 39.2 48.0 53.1 50.8 38.7 27.9 5.0 -10.2 -16.5
Year Lowest Occurred 1982 1979 1975 1997 1979 1982 1992 1977 1974 1976 1985 1983 1982
Mean Precipitation (in.) 0.65 0.53 1.24 1.68 2.60 3.54 3.02 2.25 1.93 1.68 1.02 0.44 20.58
Highest Precipitation (in.) 1.84 1.44 3.10 8.83 6.36 8.42 5.43 5.18 5.68 5.11 3.69 1.11 8.83
Year Highest Occurred 1997 1984 1977 1986 1972 1998 1995 1975 1988 1998 1977 1988 1986
Lowest Precipitation (in.) 0.05 0.05 0.07 0.03 0.24 0.55 0.58 0.44 0.31 0.10 0.00 0.00 0.00
Year Lowest Occurred 1987 1985 1971 1988 1976 1974 1976 1976 1979 1992 1999 1986 1999
Heating Degree Days (F) 1776. 1399. 1156. 648. 284. 89. 29. 47. 231. 610. 1115. 1585. 8969.
Cooling Degree Days (F) 0. 0. 0. 2. 35. 113. 216. 180. 30. 0. 0. 0. 576.

Western Regional Climate Center, wrcc@dri.edu