PENDLETON BR EXP STN, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 40.7 46.5 54.5 62.1 69.7 78.1 88.2 87.7 77.9 65.2 49.2 40.9 63.4
Highest Mean Max. Temperature (F) 49.6 54.6 59.3 68.2 76.2 85.7 95.3 94.7 85.1 73.6 56.1 47.6 95.3
Year Highest Occurred 1999 1991 1992 1987 1992 1992 1998 1971 1990 1988 1999 1973 1998
Lowest Mean Max. Temperature (F) 23.9 33.3 50.1 55.0 64.5 71.0 79.1 80.1 69.6 61.5 35.4 25.5 23.9
Year Lowest Occurred 1979 1989 1993 1975 1977 1971 1993 1976 1985 1981 1985 1985 1979
Mean Temperature (F) 33.3 37.7 43.5 49.0 55.7 62.7 70.2 69.7 60.8 50.2 40.9 33.8 50.6
Highest Mean Temperature (F) 41.0 44.6 47.9 53.0 60.1 68.2 76.4 74.3 66.1 56.6 46.0 40.5 76.4
Year Highest Occurred 1999 1991 1986 1987 1993 1992 1998 1971 1998 1988 1999 1973 1998
Lowest Mean Temperature (F) 15.9 24.2 39.9 43.2 51.9 58.5 65.2 65.5 55.2 47.3 28.1 19.6 15.9
Year Lowest Occurred 1979 1989 1971 1975 1977 1971 1993 1995 1985 1971 1985 1985 1979
Mean Min. Temperature (F) 25.9 28.9 32.5 35.9 41.7 47.3 52.1 51.6 43.7 35.2 32.5 26.6 37.8
Highest Mean Min. Temperature (F) 33.0 34.5 37.3 39.8 46.7 51.3 57.4 55.9 48.6 40.7 38.4 33.3 57.4
Year Highest Occurred 1983 1991 1986 1994 1993 1982 1998 1977 1998 1979 1983 1973 1998
Lowest Mean Min. Temperature (F) 7.8 15.0 29.2 31.4 38.5 43.8 48.9 47.0 38.4 30.5 20.7 13.6 7.8
Year Lowest Occurred 1979 1989 1975 1975 1999 1976 1981 1995 1999 1987 1985 1985 1979
Mean Precipitation (in.) 1.94 1.61 1.90 1.66 1.67 1.06 0.39 0.72 0.81 1.29 2.44 2.06 17.55
Highest Precipitation (in.) 3.73 3.35 3.90 3.64 4.73 3.14 1.74 2.60 1.87 3.76 5.06 4.23 5.06
Year Highest Occurred 1975 2000 1983 1974 1991 1971 1992 1993 1986 1980 1973 1996 1973
Lowest Precipitation (in.) 0.69 0.32 0.52 0.46 0.20 0.09 0.00 0.00 0.00 0.00 0.47 0.49 0.00
Year Lowest Occurred 1985 1988 1994 1977 1992 1986 1996 2000 1999 1987 1976 1989 1996
Heating Degree Days (F) 982. 764. 667. 480. 291. 122. 21. 29. 168. 459. 725. 970. 5678.
Cooling Degree Days (F) 0. 0. 0. 0. 3. 53. 180. 174. 42. 0. 0. 0. 452.

Western Regional Climate Center, wrcc@dri.edu