BROOKINGS 2 NE, 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) 21.5 28.0 39.7 55.5 68.9 78.0 82.7 80.6 71.8 58.9 39.6 26.1 54.3
Highest Mean Max. Temperature (F) 36.6 42.7 51.2 65.7 78.6 87.4 89.0 89.2 79.1 64.1 54.4 36.1 89.2
Year Highest Occurred 1990 1987 2000 1987 1977 1988 1976 1983 1998 1973 1999 1979 1983
Lowest Mean Max. Temperature (F) 8.5 14.6 31.4 45.0 61.2 70.9 71.3 74.0 64.0 54.6 28.2 8.6 8.5
Year Lowest Occurred 1979 1979 1984 1975 1996 1993 1992 1992 1993 1995 1996 1983 1979
Mean Temperature (F) 10.9 17.9 30.1 44.2 56.7 66.1 70.7 68.6 59.1 46.3 30.0 16.3 43.1
Highest Mean Temperature (F) 24.7 31.6 38.3 51.2 65.9 73.2 75.1 76.2 64.6 52.0 39.7 25.4 76.2
Year Highest Occurred 1990 1987 2000 1977 1977 1988 1983 1983 1978 1973 1999 1979 1983
Lowest Mean Temperature (F) -1.6 2.7 20.6 37.5 51.0 61.6 62.0 62.9 52.9 41.8 20.2 -0.5 -1.6
Year Lowest Occurred 1979 1979 1975 1995 1997 1993 1992 1992 1993 1976 1985 1983 1979
Mean Min. Temperature (F) 0.3 7.8 20.5 32.8 44.4 54.2 58.6 56.6 46.3 33.6 20.3 6.5 31.8
Highest Mean Min. Temperature (F) 12.9 21.5 30.4 38.2 53.2 61.2 62.8 63.2 50.8 39.9 27.2 16.4 63.2
Year Highest Occurred 1992 1998 1973 1977 1977 1991 1983 1983 1978 1973 1983 1997 1983
Lowest Mean Min. Temperature (F) -11.8 -9.2 9.8 27.9 39.1 49.3 52.6 51.7 39.9 27.4 11.3 -9.6 -11.8
Year Lowest Occurred 1979 1979 1975 1997 1979 1985 1992 1992 1974 1988 1985 1983 1979
Mean Precipitation (in.) 0.34 0.40 1.29 2.03 2.95 4.23 3.11 2.94 2.48 1.78 1.00 0.26 22.81
Highest Precipitation (in.) 1.18 1.22 3.45 5.36 9.27 10.21 6.85 5.03 7.67 6.43 4.46 0.73 10.21
Year Highest Occurred 1979 1981 1983 1986 1972 1994 1995 1977 1986 1984 1983 1984 1994
Lowest Precipitation (in.) 0.00 0.03 0.17 0.26 0.43 0.82 0.77 1.52 0.09 0.03 0.01 0.00 0.00
Year Lowest Occurred 1991 1983 1991 1996 1976 1985 1975 1989 1974 1988 1984 1986 1991
Heating Degree Days (F) 1677. 1320. 1082. 627. 289. 70. 28. 48. 206. 581. 1051. 1511. 8490.
Cooling Degree Days (F) 0. 0. 0. 1. 31. 103. 203. 159. 26. 0. 0. 0. 523.

Western Regional Climate Center, wrcc@dri.edu