JAMESTOWN MUNI AP, 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) 17.9 24.9 36.7 54.2 69.1 77.2 83.0 81.9 70.3 56.4 35.6 22.4 52.5
Highest Mean Max. Temperature (F) 33.2 35.3 47.5 69.0 77.3 88.6 90.9 91.0 76.7 61.1 50.2 34.5 91.0
Year Highest Occurred 1990 1991 1986 1987 1977 1988 1988 1983 1976 1989 1999 1999 1983
Lowest Mean Max. Temperature (F) 3.7 7.8 28.1 39.8 59.3 70.0 72.9 73.4 64.0 51.6 24.7 6.5 3.7
Year Lowest Occurred 1982 1979 1996 1975 1979 1993 1993 1977 1985 1972 1996 1983 1982
Mean Temperature (F) 8.7 15.9 27.9 42.9 56.7 65.4 70.7 69.0 57.9 45.2 27.1 13.8 41.8
Highest Mean Temperature (F) 23.2 28.8 37.4 54.1 64.5 74.9 76.4 76.0 63.7 49.5 37.6 25.8 76.4
Year Highest Occurred 1990 1987 1986 1987 1977 1988 1988 1983 1997 1973 1999 1997 1988
Lowest Mean Temperature (F) -6.7 -1.7 19.7 33.8 48.9 59.8 64.5 61.7 53.4 40.0 16.8 -1.4 -6.7
Year Lowest Occurred 1982 1979 1996 1975 1979 1982 1992 1977 1984 1976 1985 1983 1982
Mean Min. Temperature (F) -0.5 6.9 19.1 31.5 44.2 53.5 58.3 56.1 45.4 33.9 18.6 5.2 31.0
Highest Mean Min. Temperature (F) 14.5 22.3 28.9 39.2 51.7 61.2 62.9 60.9 51.6 39.4 26.8 19.5 62.9
Year Highest Occurred 1987 1987 1973 1987 1987 1988 1987 1983 1997 1994 1987 1997 1987
Lowest Mean Min. Temperature (F) -17.1 -11.3 11.3 26.3 37.8 46.9 52.3 49.9 40.0 27.2 8.8 -9.4 -17.1
Year Lowest Occurred 1982 1979 1996 1979 1983 1982 1992 1977 1974 1976 1985 1983 1982
Mean Precipitation (in.) 0.62 0.52 0.89 1.36 2.21 3.05 3.22 2.33 1.74 1.40 0.71 0.44 18.49
Highest Precipitation (in.) 2.17 2.15 3.48 6.61 5.98 7.64 11.06 5.73 5.26 4.92 2.43 1.21 11.06
Year Highest Occurred 1982 1979 1975 1986 1999 1975 1993 1980 1973 1994 1977 1972 1993
Lowest Precipitation (in.) 0.12 0.02 0.00 0.00 0.25 0.95 0.63 0.26 0.01 0.09 0.00 0.01 0.00
Year Lowest Occurred 1990 1988 1986 1987 1990 1972 1985 1984 1974 1993 1999 1986 1986
Heating Degree Days (F) 1748. 1375. 1150. 667. 293. 100. 30. 52. 242. 616. 1138. 1588. 8999.
Cooling Degree Days (F) 0. 0. 0. 3. 34. 111. 205. 176. 26. 0. 0. 0. 555.

Western Regional Climate Center, wrcc@dri.edu