ANTELOPE 1 NW, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 39.6 44.8 51.8 58.2 66.1 74.6 83.5 83.7 74.9 62.7 47.2 39.5 60.6
Highest Mean Max. Temperature (F) 47.2 53.1 57.5 66.6 72.7 83.3 89.7 89.9 82.1 72.6 53.5 45.2 89.9
Year Highest Occurred 1994 1991 1992 1977 1992 1974 1985 1971 1974 1988 1999 1980 1971
Lowest Mean Max. Temperature (F) 26.0 33.7 46.3 51.6 60.0 67.7 72.9 76.5 65.9 55.8 35.7 29.5 26.0
Year Lowest Occurred 1979 1989 1975 1975 1977 1991 1993 1976 1985 1984 1985 1983 1979
Mean Temperature (F) 31.5 35.6 40.9 45.6 52.2 59.4 66.2 66.4 58.9 49.1 38.1 31.5 48.0
Highest Mean Temperature (F) 38.0 42.8 45.5 51.3 57.1 65.4 70.9 71.1 64.3 57.4 44.4 36.5 71.1
Year Highest Occurred 1994 1991 1986 1990 1993 1986 1985 1971 1990 1988 1999 1979 1971
Lowest Mean Temperature (F) 18.1 24.8 36.3 39.7 47.1 54.3 57.8 61.6 52.6 44.7 26.3 21.3 18.1
Year Lowest Occurred 1979 1989 1975 1975 1977 1991 1993 1980 1985 1984 1985 1985 1979
Mean Min. Temperature (F) 23.3 26.3 29.9 33.0 38.2 44.1 48.9 49.0 42.8 35.4 28.9 23.5 35.3
Highest Mean Min. Temperature (F) 29.4 32.8 34.8 38.2 43.4 49.2 53.9 54.1 47.4 42.2 35.3 28.8 54.1
Year Highest Occurred 1992 1992 1978 1989 1993 1978 1978 1977 1990 1988 1999 1973 1977
Lowest Mean Min. Temperature (F) 10.2 15.8 26.0 27.9 34.3 38.4 42.7 42.6 39.0 31.8 17.0 13.0 10.2
Year Lowest Occurred 1979 1989 1971 1975 1977 1976 1993 1980 1971 1998 1985 1985 1979
Mean Precipitation (in.) 1.64 1.27 1.26 1.11 1.37 1.04 0.43 0.61 0.75 0.95 1.88 1.62 13.93
Highest Precipitation (in.) 3.48 3.34 3.04 2.65 5.57 2.57 1.47 5.37 4.51 2.70 4.66 5.79 5.79
Year Highest Occurred 1995 1986 1983 1983 1998 1997 1978 1976 1982 1982 1984 1981 1981
Lowest Precipitation (in.) 0.26 0.30 0.35 0.00 0.19 0.04 0.00 0.00 0.00 0.00 0.29 0.17 0.00
Year Lowest Occurred 1985 1990 1992 1977 1975 1974 2000 1996 1999 1988 1993 1976 1977
Heating Degree Days (F) 1041. 826. 750. 582. 400. 204. 78. 72. 220. 495. 809. 1040. 6517.
Cooling Degree Days (F) 0. 0. 0. 0. 2. 34. 116. 113. 35. 1. 0. 0. 301.

Western Regional Climate Center, wrcc@dri.edu