BERGLAND DAM, MICHIGAN

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 20.0 25.6 35.8 49.6 64.7 73.1 77.5 75.7 65.7 53.9 37.0 24.7 50.3
Highest Mean Max. Temperature (F) 31.0 39.1 44.4 59.3 73.3 79.5 83.0 81.7 72.3 61.0 45.8 33.0 83.0
Year Highest Occurred 1990 1998 2000 1987 1977 1995 1983 1983 1998 1973 1999 1994 1983
Lowest Mean Max. Temperature (F) 10.4 16.9 28.2 42.7 55.6 67.5 71.1 69.8 59.5 47.5 28.3 14.7 10.4
Year Lowest Occurred 1994 1979 1996 1996 1997 1982 1992 1977 1974 1987 1995 1989 1994
Mean Temperature (F) 9.9 13.5 23.3 37.5 51.3 60.6 65.1 63.0 54.0 43.2 29.0 16.1 38.9
Highest Mean Temperature (F) 20.0 29.2 32.5 43.4 57.5 65.7 69.8 68.0 59.1 50.0 36.3 24.1 69.8
Year Highest Occurred 1990 1998 1973 1986 1977 1995 1983 1983 1998 1971 1999 1997 1983
Lowest Mean Temperature (F) -0.8 3.8 15.1 30.1 44.3 55.2 58.7 57.4 47.9 37.9 20.8 5.7 -0.8
Year Lowest Occurred 1977 1979 1996 1996 1997 1982 1992 1977 1974 1987 1995 1989 1977
Mean Min. Temperature (F) -0.2 1.4 10.8 25.3 37.8 48.1 52.6 50.3 42.3 32.4 20.9 7.5 27.4
Highest Mean Min. Temperature (F) 9.1 19.2 22.7 32.0 43.9 52.1 56.6 54.4 47.5 39.6 27.8 16.9 56.6
Year Highest Occurred 1998 1998 1973 1986 1982 1971 1983 1995 1994 1971 1998 1997 1983
Lowest Mean Min. Temperature (F) -12.3 -9.3 0.7 17.2 33.0 42.9 46.2 45.0 35.8 27.5 13.2 -3.4 -12.3
Year Lowest Occurred 1977 1979 1972 1975 1997 1982 1992 1977 1976 1976 1976 1983 1977
Mean Precipitation (in.) 2.84 1.62 2.52 2.31 3.40 3.92 3.92 4.01 3.73 3.55 3.57 2.99 38.38
Highest Precipitation (in.) 5.45 4.03 5.03 5.66 6.53 6.31 7.36 8.57 6.22 7.07 7.38 7.17 8.57
Year Highest Occurred 1997 1971 1998 1982 1973 1983 1992 1988 1985 1995 1991 1996 1988
Lowest Precipitation (in.) 1.15 0.31 1.01 0.62 0.88 1.46 0.67 0.67 1.23 1.50 1.01 1.11 0.31
Year Lowest Occurred 1984 1998 1974 1988 1986 1978 1975 1976 1989 1972 1984 1994 1998
Heating Degree Days (F) 1710. 1442. 1292. 827. 442. 166. 79. 120. 335. 677. 1082. 1517. 9689.
Cooling Degree Days (F) 0. 0. 0. 0. 15. 34. 81. 57. 5. 0. 0. 0. 192.

Western Regional Climate Center, wrcc@dri.edu