HERMAN, MICHIGAN

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 20.1 26.1 36.2 50.3 65.5 72.9 76.6 74.1 65.2 53.1 36.2 24.3 50.1
Highest Mean Max. Temperature (F) 30.5 36.7 45.5 60.0 75.4 79.6 83.2 79.5 74.1 59.4 45.7 34.5 83.2
Year Highest Occurred 1990 1998 2000 1987 1977 1995 1988 1976 1998 1973 1999 1994 1988
Lowest Mean Max. Temperature (F) 10.3 17.9 29.7 43.6 53.1 68.1 68.9 68.1 59.1 45.8 27.3 14.9 10.3
Year Lowest Occurred 1977 1979 1996 1996 1997 1982 1992 1977 1974 1979 1995 1983 1977
Mean Temperature (F) 11.8 15.9 25.2 38.3 52.1 60.2 64.5 62.7 54.4 43.6 29.1 17.1 39.6
Highest Mean Temperature (F) 22.2 29.6 33.7 46.9 60.7 67.3 69.5 68.2 60.9 49.9 37.3 26.8 69.5
Year Highest Occurred 1990 1998 2000 1987 1977 1995 1983 1995 1998 1971 1999 1994 1983
Lowest Mean Temperature (F) 1.0 6.2 17.3 30.7 42.8 53.6 58.5 56.4 48.1 37.3 20.9 6.9 1.0
Year Lowest Occurred 1977 1979 1972 1975 1997 1982 1992 1977 1974 1976 1995 1983 1977
Mean Min. Temperature (F) 3.5 5.7 14.2 26.2 38.7 47.4 52.4 51.2 43.5 34.0 22.0 9.8 29.1
Highest Mean Min. Temperature (F) 13.8 22.5 23.5 33.7 46.6 54.9 57.2 57.8 48.0 41.9 28.9 20.0 57.8
Year Highest Occurred 1990 1998 1973 1987 1991 1995 1999 1995 1994 1971 1999 1997 1995
Lowest Mean Min. Temperature (F) -8.4 -5.5 4.0 17.8 32.3 39.0 46.7 44.6 37.1 25.8 14.5 -1.9 -8.4
Year Lowest Occurred 1977 1979 1984 1975 1971 1982 1971 1977 1974 1976 1995 1976 1977
Mean Precipitation (in.) 2.47 1.64 2.83 2.31 3.37 3.69 4.07 4.10 4.07 3.58 3.35 2.77 38.25
Highest Precipitation (in.) 4.87 3.68 6.18 5.64 9.83 7.19 9.64 9.42 8.67 7.64 6.77 6.77 9.83
Year Highest Occurred 1997 1971 1976 1985 1999 1979 1982 1987 1980 1979 1983 2000 1999
Lowest Precipitation (in.) 1.23 0.35 0.76 0.44 0.55 0.82 1.40 0.54 0.67 1.06 0.37 0.56 0.35
Year Lowest Occurred 1991 1993 1974 1998 1986 1992 1989 1976 1989 1994 1994 1994 1993
Heating Degree Days (F) 1649. 1375. 1233. 804. 422. 183. 97. 132. 325. 666. 1078. 1487. 9451.
Cooling Degree Days (F) 0. 0. 0. 0. 22. 37. 82. 61. 5. 0. 0. 0. 207.

Western Regional Climate Center, wrcc@dri.edu