SQUAW BUTTE EXPERIMENT, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 34.6 39.1 45.7 54.0 62.9 72.6 81.8 81.7 72.0 59.9 42.7 35.5 56.9
Highest Mean Max. Temperature (F) 42.3 49.1 53.9 63.5 73.9 79.6 87.7 87.9 78.5 71.0 53.4 43.5 87.9
Year Highest Occurred 1999 1995 1992 1987 1992 1974 1985 1971 1990 1988 1999 1976 1971
Lowest Mean Max. Temperature (F) 26.8 27.9 40.2 45.1 53.2 66.1 72.4 70.7 61.2 50.8 34.6 28.1 26.8
Year Lowest Occurred 1979 1989 1975 1975 1977 1980 1993 1976 1986 1984 1994 1972 1979
Mean Temperature (F) 27.0 31.0 36.4 42.4 50.1 58.4 66.4 66.3 58.0 47.7 34.5 27.9 45.5
Highest Mean Temperature (F) 32.6 38.9 42.8 49.8 57.8 64.2 71.6 72.4 64.3 56.9 42.4 34.6 72.4
Year Highest Occurred 1999 1995 1992 1990 1992 1986 1985 1971 1990 1988 1999 1980 1971
Lowest Mean Temperature (F) 18.5 19.7 31.2 35.4 43.1 53.4 56.2 59.7 49.5 41.9 26.9 21.1 18.5
Year Lowest Occurred 1979 1989 1985 1975 1977 1991 1993 1976 1986 1984 1985 1972 1979
Mean Min. Temperature (F) 19.4 22.8 27.1 30.7 37.2 44.1 50.9 50.8 43.9 35.5 26.3 20.2 34.1
Highest Mean Min. Temperature (F) 25.9 29.7 31.7 36.4 41.9 49.2 56.2 56.9 50.1 42.7 31.4 29.2 56.9
Year Highest Occurred 1976 1992 1992 1990 1997 1986 1998 1971 1990 1988 1999 1980 1971
Lowest Mean Min. Temperature (F) 10.3 11.4 21.7 25.8 33.1 38.7 40.0 43.7 37.3 32.4 18.1 12.3 10.3
Year Lowest Occurred 1979 1989 1971 1975 1977 1999 1993 1993 1972 1971 1993 1990 1979
Mean Precipitation (in.) 1.41 1.02 1.30 1.03 1.31 0.80 0.45 0.58 0.63 0.79 1.25 1.23 11.80
Highest Precipitation (in.) 5.65 3.24 2.93 2.88 4.11 1.92 1.76 3.45 1.93 2.30 2.94 3.51 5.65
Year Highest Occurred 1998 1986 1999 1995 1998 1992 1993 1976 1982 1985 1998 1995 1998
Lowest Precipitation (in.) 0.18 0.26 0.03 0.29 0.12 0.03 0.00 0.01 0.00 0.00 0.04 0.05 0.00
Year Lowest Occurred 1984 1990 1976 1973 1992 1973 1988 1971 1987 1988 1993 1976 1988
Heating Degree Days (F) 1177. 953. 887. 680. 467. 229. 91. 81. 256. 540. 915. 1152. 7428.
Cooling Degree Days (F) 0. 0. 0. 0. 2. 29. 133. 120. 45. 3. 0. 0. 332.

Western Regional Climate Center, wrcc@dri.edu