IDLEYLD PARK 4 NE, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 46.2 51.7 56.9 62.8 69.3 75.6 82.7 82.4 77.0 64.9 50.8 44.4 63.7
Highest Mean Max. Temperature (F) 52.1 57.6 63.8 70.9 79.1 82.0 88.0 88.0 85.2 73.3 57.7 48.6 88.0
Year Highest Occurred 1981 1992 1992 1987 1992 1987 1994 1986 1974 1987 1976 1980 1994
Lowest Mean Max. Temperature (F) 42.0 46.0 51.2 56.2 62.3 69.7 75.2 76.5 68.9 58.7 43.8 38.7 38.7
Year Lowest Occurred 1979 1989 1971 1975 1998 1980 1983 1976 1985 1984 1985 1990 1990
Mean Temperature (F) 39.4 42.9 46.3 50.4 55.7 61.1 66.1 65.7 60.9 52.5 43.9 38.6 52.0
Highest Mean Temperature (F) 43.7 47.6 50.5 55.4 61.5 65.4 69.6 68.6 64.5 57.3 49.1 43.1 69.6
Year Highest Occurred 1978 1995 1986 1989 1992 1986 1996 1986 1991 1988 1995 1977 1996
Lowest Mean Temperature (F) 35.0 36.9 41.5 44.7 51.6 57.4 61.4 61.6 56.0 49.6 37.7 32.8 32.8
Year Lowest Occurred 1979 1989 1971 1975 1977 1976 1993 1980 1985 1971 1985 1990 1990
Mean Min. Temperature (F) 32.6 34.1 35.7 38.0 42.0 46.6 49.5 48.9 44.8 40.0 37.0 32.8 40.2
Highest Mean Min. Temperature (F) 38.3 38.2 40.3 43.4 46.2 50.2 53.7 52.9 49.0 44.4 43.3 37.7 53.7
Year Highest Occurred 1998 1995 1993 1992 1993 1992 1998 1999 1997 1979 1995 1995 1998
Lowest Mean Min. Temperature (F) 26.8 27.7 31.9 33.1 38.1 42.4 45.8 43.6 41.4 34.0 30.0 26.9 26.8
Year Lowest Occurred 1977 1989 1971 1982 1982 1976 1977 1980 1972 1974 1993 1990 1977
Mean Precipitation (in.) 9.01 7.51 6.99 5.29 3.52 1.88 0.74 1.08 2.03 4.58 10.41 10.32 63.36
Highest Precipitation (in.) 16.49 16.78 12.54 10.61 8.17 4.86 4.58 5.12 8.57 9.71 26.10 24.73 26.10
Year Highest Occurred 1972 1986 1974 1993 1998 1984 1987 1976 1986 1996 1973 1996 1973
Lowest Precipitation (in.) 1.08 1.72 1.40 1.91 0.24 0.19 0.00 0.00 0.00 0.05 1.61 1.67 0.00
Year Lowest Occurred 1985 1988 1992 1977 1982 1987 1994 1998 1999 1987 1976 1976 1994
Heating Degree Days (F) 794. 618. 580. 437. 291. 137. 53. 49. 152. 390. 634. 818. 4953.
Cooling Degree Days (F) 0. 0. 0. 0. 3. 21. 86. 69. 29. 0. 0. 0. 208.

Western Regional Climate Center, wrcc@dri.edu