CLARK, 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) 20.4 26.9 38.6 54.9 68.1 76.9 82.7 80.7 71.3 58.0 37.9 24.6 53.4
Highest Mean Max. Temperature (F) 33.9 39.6 50.2 64.3 76.1 87.8 90.0 89.0 78.6 64.1 52.2 35.8 90.0
Year Highest Occurred 1990 1987 2000 1981 1977 1988 1976 1976 1998 1973 1999 1979 1976
Lowest Mean Max. Temperature (F) 8.0 14.3 29.6 43.2 60.9 70.8 71.7 72.5 63.2 52.8 24.8 6.0 6.0
Year Lowest Occurred 1979 1989 1996 1975 1996 1993 1992 1985 1985 1995 1985 1983 1983
Mean Temperature (F) 10.6 17.2 28.9 43.5 56.8 65.9 71.3 69.0 59.0 46.1 28.7 15.5 42.7
Highest Mean Temperature (F) 24.2 30.3 38.1 50.6 64.6 73.8 76.7 75.6 65.8 51.5 40.7 25.1 76.7
Year Highest Occurred 1990 1987 2000 1977 1977 1988 1974 1983 1998 1973 1999 1997 1974
Lowest Mean Temperature (F) -2.0 3.7 20.3 36.0 51.7 60.2 62.4 63.3 53.2 41.6 16.6 -1.8 -2.0
Year Lowest Occurred 1982 1989 1996 1975 1979 1982 1992 1992 1993 1976 1985 1983 1982
Mean Min. Temperature (F) 0.7 7.5 19.1 32.1 45.4 54.9 59.8 57.2 46.7 34.1 19.5 6.3 31.9
Highest Mean Min. Temperature (F) 14.5 21.8 27.9 37.9 53.0 59.7 63.8 62.6 53.0 39.7 29.2 18.1 63.8
Year Highest Occurred 1990 1998 1973 1977 1977 1991 1983 1983 1998 2000 1999 1997 1983
Lowest Mean Min. Temperature (F) -13.0 -7.4 10.9 27.2 40.2 48.4 53.1 52.3 40.7 28.4 8.4 -9.6 -13.0
Year Lowest Occurred 1982 1979 1996 1983 1979 1982 1992 1977 1974 1976 1985 1983 1982
Mean Precipitation (in.) 0.65 0.61 1.31 1.98 2.86 3.75 3.14 2.90 1.99 1.76 1.04 0.47 22.46
Highest Precipitation (in.) 1.78 1.39 3.44 6.68 9.26 9.87 7.74 4.91 5.79 6.60 3.17 1.54 9.87
Year Highest Occurred 1979 1977 1977 1986 1972 1993 1997 1994 1986 1998 2000 1977 1993
Lowest Precipitation (in.) 0.00 0.02 0.11 0.24 0.49 0.86 0.09 1.00 0.05 0.08 0.01 0.00 0.00
Year Lowest Occurred 1990 1983 1971 1996 1992 1987 1976 1973 1998 1992 1990 1986 1990
Heating Degree Days (F) 1688. 1338. 1122. 646. 278. 81. 29. 48. 215. 588. 1091. 1538. 8662.
Cooling Degree Days (F) 0. 0. 0. 1. 23. 107. 223. 170. 35. 0. 0. 0. 559.

Western Regional Climate Center, wrcc@dri.edu