BRITTON, SOUTH DAKOTA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 20.6 28.2 40.5 57.8 71.2 78.9 84.3 83.2 73.8 59.9 38.2 25.1 55.1
Highest Mean Max. Temperature (F) 35.2 40.6 51.9 69.5 79.2 91.3 90.8 91.8 80.4 64.8 52.7 37.6 91.8
Year Highest Occurred 1990 1987 1981 1987 1977 1988 1988 1983 1979 1973 1999 1999 1983
Lowest Mean Max. Temperature (F) 7.6 13.4 31.1 43.6 64.3 72.6 74.1 76.9 64.6 55.8 25.8 7.5 7.5
Year Lowest Occurred 1979 1979 1996 1975 1979 1993 1992 1977 1986 1976 1985 1983 1983
Mean Temperature (F) 9.8 17.5 29.8 44.9 57.9 66.3 71.6 70.3 60.4 47.5 28.8 15.3 43.3
Highest Mean Temperature (F) 24.1 30.5 39.7 52.9 66.3 76.3 76.6 77.3 66.2 52.4 40.3 26.2 77.3
Year Highest Occurred 1990 1987 2000 1987 1977 1988 1974 1983 1998 1973 1999 1999 1983
Lowest Mean Temperature (F) -3.8 2.2 21.0 35.9 51.7 60.9 63.3 64.6 55.3 42.2 15.9 -1.5 -3.8
Year Lowest Occurred 1982 1979 1996 1975 1979 1982 1992 1977 1984 1976 1985 1983 1982
Mean Min. Temperature (F) -1.0 6.7 19.1 31.9 44.5 53.7 58.8 57.4 47.0 35.0 19.4 5.4 31.5
Highest Mean Min. Temperature (F) 13.0 23.0 28.8 36.9 53.4 61.3 63.4 62.9 52.8 41.4 27.9 16.4 63.4
Year Highest Occurred 1990 1998 1973 1977 1977 1988 1983 1983 1998 2000 1999 1997 1983
Lowest Mean Min. Temperature (F) -15.7 -9.1 10.4 27.4 38.9 47.5 51.4 51.9 39.6 28.7 6.0 -10.4 -15.7
Year Lowest Occurred 1982 1979 1975 1982 1983 1982 1971 1992 1974 1976 1985 1983 1982
Mean Precipitation (in.) 0.63 0.51 1.03 1.72 2.87 3.44 3.33 2.28 2.08 1.60 0.82 0.37 20.68
Highest Precipitation (in.) 1.70 1.46 2.95 7.27 7.37 7.39 10.70 5.10 6.55 5.84 3.14 1.44 10.70
Year Highest Occurred 1989 1987 1995 1986 1991 1984 1993 1999 1999 1998 2000 1972 1993
Lowest Precipitation (in.) 0.00 0.09 0.17 0.14 0.36 0.58 0.00 0.52 0.14 0.18 0.00 0.00 0.00
Year Lowest Occurred 1974 1985 1971 1985 1976 1972 1975 1976 1979 1976 1999 1986 1974
Heating Degree Days (F) 1712. 1332. 1092. 608. 260. 79. 31. 40. 184. 545. 1086. 1543. 8512.
Cooling Degree Days (F) 0. 0. 0. 3. 37. 118. 233. 205. 45. 0. 0. 0. 641.

Western Regional Climate Center, wrcc@dri.edu