SAINT MARIES, IDAHO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 34.4 41.0 49.6 58.5 66.7 74.0 82.9 83.7 73.3 58.0 40.9 33.8 58.1
Highest Mean Max. Temperature (F) 40.7 49.4 58.0 65.9 73.4 81.1 94.4 92.0 87.8 67.5 48.9 43.0 94.4
Year Highest Occurred 1994 1991 1986 1987 1993 1987 1985 1971 1990 1974 1999 1979 1985
Lowest Mean Max. Temperature (F) 19.1 31.0 45.0 52.3 59.5 67.0 70.4 76.3 61.5 51.2 27.9 25.3 19.1
Year Lowest Occurred 1979 1989 1971 1975 1996 1981 1993 1989 1985 1985 1985 1983 1979
Mean Temperature (F) 28.9 33.7 39.9 46.6 53.8 60.4 66.6 66.8 57.8 46.3 35.3 28.8 47.1
Highest Mean Temperature (F) 35.7 42.3 45.3 52.2 59.5 65.1 73.1 71.8 67.4 50.7 41.6 37.5 73.1
Year Highest Occurred 1994 1991 1986 1987 1993 1974 1985 1971 1990 1986 1999 1979 1985
Lowest Mean Temperature (F) 12.0 23.8 34.8 41.8 49.4 54.3 59.4 60.0 50.4 41.5 23.0 20.4 12.0
Year Lowest Occurred 1979 1989 1976 1975 1996 1981 1993 1980 1985 1985 1985 1983 1979
Mean Min. Temperature (F) 23.3 26.3 30.1 34.7 40.9 46.7 50.2 49.8 42.3 34.6 29.6 23.8 36.0
Highest Mean Min. Temperature (F) 30.7 35.1 37.1 39.6 45.6 50.4 55.9 54.9 48.0 38.8 34.7 32.0 55.9
Year Highest Occurred 1994 1991 1984 1988 1993 1992 1998 1983 1998 1988 1998 1979 1998
Lowest Mean Min. Temperature (F) 4.9 16.6 24.2 30.9 37.0 41.5 43.4 42.9 36.3 25.6 18.0 14.5 4.9
Year Lowest Occurred 1979 1989 1976 1982 1999 1981 1986 1980 1984 1987 1985 1978 1979
Mean Precipitation (in.) 3.91 3.10 2.68 2.28 2.49 1.96 1.28 1.13 1.40 2.02 4.13 4.25 30.63
Highest Precipitation (in.) 8.60 6.78 4.93 5.73 4.33 5.07 5.35 4.30 3.80 5.10 8.61 9.78 9.78
Year Highest Occurred 1974 1999 1989 1996 1990 1971 1993 1989 1985 1990 1973 1996 1996
Lowest Precipitation (in.) 0.49 0.23 1.11 0.41 0.99 0.78 0.00 0.00 0.00 0.02 0.69 1.02 0.00
Year Lowest Occurred 1985 1988 1990 1988 1982 1977 1973 1994 1990 1987 1987 1985 1973
Heating Degree Days (F) 1121. 879. 779. 553. 350. 171. 86. 77. 258. 580. 893. 1123. 6870.
Cooling Degree Days (F) 0. 0. 0. 0. 3. 32. 134. 130. 42. 0. 0. 0. 341.

Western Regional Climate Center, wrcc@dri.edu