MIKKALO LARSON RANCH, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 39.1 45.0 53.0 60.1 68.5 77.0 85.7 85.1 76.0 63.6 47.8 39.5 61.7
Highest Mean Max. Temperature (F) 48.3 51.6 58.3 66.5 78.0 84.6 92.7 91.5 82.5 70.9 54.9 45.6 92.7
Year Highest Occurred 1983 1992 1986 1977 1993 1986 1994 1986 1998 1988 1999 1976 1994
Lowest Mean Max. Temperature (F) 22.2 33.9 47.0 54.0 60.6 70.4 77.6 77.7 68.1 58.6 33.3 27.3 22.2
Year Lowest Occurred 1979 1993 1991 1975 1991 1991 1993 1989 1977 1982 1985 1983 1979
Mean Temperature (F) 32.4 37.0 43.2 48.9 55.8 63.7 71.0 70.4 62.0 51.6 39.4 32.8 50.7
Highest Mean Temperature (F) 39.9 42.3 47.9 52.9 62.9 70.0 76.8 75.3 66.8 57.5 45.8 38.0 76.8
Year Highest Occurred 1994 1991 1986 2000 1993 1992 1994 1971 1998 1988 1999 1974 1994
Lowest Mean Temperature (F) 15.1 25.8 37.9 42.5 50.6 58.1 64.2 64.6 56.8 47.7 26.0 21.2 15.1
Year Lowest Occurred 1979 1989 1991 1972 1991 1971 1993 1989 1977 1989 1985 1985 1979
Mean Min. Temperature (F) 25.6 28.9 33.4 37.7 43.1 50.3 56.3 55.6 47.9 39.6 31.0 26.0 39.6
Highest Mean Min. Temperature (F) 32.1 33.7 37.8 43.2 47.8 58.3 62.6 61.0 51.5 44.1 36.7 31.4 62.6
Year Highest Occurred 1994 1991 1987 1992 1993 1992 1990 1990 1995 1988 1999 1974 1990
Lowest Mean Min. Temperature (F) 8.0 17.1 28.8 29.9 38.6 45.5 50.7 51.5 44.0 35.9 18.6 14.5 8.0
Year Lowest Occurred 1979 1989 1991 1972 1977 1971 1993 1975 1985 1984 1985 1985 1979
Mean Precipitation (in.) 1.43 1.10 0.93 1.07 0.95 0.59 0.24 0.41 0.44 0.80 1.57 1.35 10.88
Highest Precipitation (in.) 3.27 3.17 2.52 3.28 2.42 2.09 0.73 1.70 1.69 2.50 4.33 4.31 4.33
Year Highest Occurred 1998 1983 1989 1988 1994 1972 1992 1976 1982 1982 1973 1981 1973
Lowest Precipitation (in.) 0.06 0.15 0.13 0.07 0.13 0.00 0.00 0.00 0.00 0.00 0.29 0.35 0.00
Year Lowest Occurred 1984 1971 1973 1977 1992 1989 1988 2000 1999 1988 1987 1976 1989
Heating Degree Days (F) 1012. 786. 676. 483. 299. 111. 32. 34. 151. 416. 767. 1001. 5768.
Cooling Degree Days (F) 0. 0. 0. 0. 13. 71. 218. 199. 59. 1. 0. 0. 561.

Western Regional Climate Center, wrcc@dri.edu