FOSSIL, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 41.3 45.7 51.8 58.4 66.2 74.0 83.4 83.5 75.1 63.7 47.6 40.9 61.0
Highest Mean Max. Temperature (F) 51.3 54.4 61.1 65.5 76.2 82.6 91.1 88.8 82.8 72.2 58.3 50.0 91.1
Year Highest Occurred 1994 1991 1992 1987 1992 1992 1985 1986 1991 1988 1999 1980 1985
Lowest Mean Max. Temperature (F) 24.2 36.1 44.3 52.3 59.4 66.5 71.0 73.2 66.3 54.4 34.8 30.5 24.2
Year Lowest Occurred 1979 1989 1971 1984 1977 1980 1993 1976 1985 1984 1985 1983 1979
Mean Temperature (F) 34.7 37.6 41.9 46.6 52.6 59.1 65.4 65.6 58.9 50.4 40.5 35.0 49.0
Highest Mean Temperature (F) 43.2 44.0 48.0 51.2 59.7 66.0 70.6 72.5 64.2 55.8 48.4 42.9 72.5
Year Highest Occurred 1994 1992 1983 1992 1993 1977 1985 1977 1994 1988 1999 1980 1977
Lowest Mean Temperature (F) 16.8 25.9 36.2 42.3 48.1 52.5 57.2 60.1 52.5 43.7 28.2 26.3 16.8
Year Lowest Occurred 1979 1989 1976 1976 1996 1976 1993 1976 1971 1984 1985 1985 1979
Mean Min. Temperature (F) 28.1 29.4 31.9 34.7 39.0 44.2 47.4 47.7 42.7 37.1 33.3 29.0 37.0
Highest Mean Min. Temperature (F) 37.3 36.7 41.9 39.7 45.9 49.9 53.1 56.9 47.6 41.7 39.9 36.4 56.9
Year Highest Occurred 1983 1983 1983 1992 1993 1977 1975 1977 1977 1977 1983 1973 1977
Lowest Mean Min. Temperature (F) 9.5 15.7 26.0 30.4 33.9 37.1 42.5 41.8 36.2 32.4 21.1 20.6 9.5
Year Lowest Occurred 1979 1989 1994 1997 1976 1976 1986 1995 1996 1998 1993 1990 1979
Mean Precipitation (in.) 1.50 1.27 1.49 1.42 1.66 1.11 0.55 0.72 0.79 1.33 1.77 1.57 15.18
Highest Precipitation (in.) 2.68 3.04 3.25 3.15 4.36 2.61 2.48 3.81 2.33 3.63 4.14 5.86 5.86
Year Highest Occurred 1980 1983 1984 1988 1998 1984 1978 1976 1982 1979 1988 1996 1996
Lowest Precipitation (in.) 0.23 0.18 0.58 0.10 0.21 0.18 0.00 0.00 0.00 0.00 0.49 0.00 0.00
Year Lowest Occurred 1984 1972 1973 1977 1975 1986 1997 1998 1998 1987 1976 1997 1997
Heating Degree Days (F) 938. 768. 717. 554. 388. 214. 90. 80. 215. 453. 735. 933. 6085.
Cooling Degree Days (F) 0. 0. 0. 0. 4. 37. 101. 98. 31. 0. 0. 0. 271.

Western Regional Climate Center, wrcc@dri.edu