LEAVENWORTH 3 S, WASHINGTON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 33.9 42.0 52.4 62.4 71.4 78.7 87.1 87.6 78.5 64.2 44.0 33.7 61.3
Highest Mean Max. Temperature (F) 40.6 48.1 60.6 69.1 77.2 86.1 95.9 95.3 86.5 70.3 49.9 39.6 95.9
Year Highest Occurred 1994 1991 1992 1977 1992 1992 1985 1971 1998 1987 1987 1974 1985
Lowest Mean Max. Temperature (F) 25.2 35.3 46.6 56.7 65.2 73.8 77.0 80.7 70.1 58.7 33.2 25.7 25.2
Year Lowest Occurred 1979 1989 1971 1972 1996 1991 1993 1995 1986 1985 1985 1985 1979
Mean Temperature (F) 25.6 31.8 39.9 47.9 55.8 62.5 68.9 68.9 60.1 48.5 35.7 26.6 47.7
Highest Mean Temperature (F) 34.4 37.7 46.1 52.7 60.4 69.4 75.3 73.4 65.9 54.2 40.4 33.6 75.3
Year Highest Occurred 1981 1991 1992 1994 1993 1992 1985 1986 1998 1988 1999 1999 1985
Lowest Mean Temperature (F) 12.4 23.9 34.6 42.3 51.4 58.2 62.8 64.1 54.9 45.7 24.0 17.4 12.4
Year Lowest Occurred 1979 1989 1971 1972 1977 1976 1993 1995 1978 1977 1985 1983 1979
Mean Min. Temperature (F) 17.2 21.6 27.3 33.4 40.1 46.3 50.6 50.2 41.7 32.8 27.4 19.5 34.0
Highest Mean Min. Temperature (F) 29.6 31.4 31.9 38.4 44.4 52.6 57.2 54.4 45.3 38.2 32.8 28.6 57.2
Year Highest Occurred 1981 1992 1983 1994 1993 1992 1998 1999 1997 1988 1999 1999 1998
Lowest Mean Min. Temperature (F) -0.5 11.3 21.6 27.9 36.0 40.3 46.8 46.4 37.5 26.0 14.7 6.2 -0.5
Year Lowest Occurred 1979 1985 1976 1972 1974 1976 1974 1975 1971 1978 1985 1978 1979
Mean Precipitation (in.) 4.40 3.23 2.09 1.10 0.85 0.84 0.39 0.58 0.75 1.74 4.27 4.83 25.07
Highest Precipitation (in.) 10.59 8.03 4.53 2.45 3.67 2.92 1.04 2.98 2.43 5.02 8.75 10.06 10.59
Year Highest Occurred 1990 1972 1972 1996 1998 1992 1978 1976 1977 1997 1983 1987 1990
Lowest Precipitation (in.) 0.13 0.20 0.37 0.08 0.00 0.11 0.00 0.00 0.00 0.00 0.67 1.24 0.00
Year Lowest Occurred 1985 1993 1973 1999 1992 1989 1984 2000 1998 1987 1976 1997 1992
Heating Degree Days (F) 1223. 930. 780. 513. 293. 125. 40. 36. 195. 512. 879. 1191. 6717.
Cooling Degree Days (F) 0. 0. 0. 0. 6. 50. 160. 157. 48. 0. 0. 0. 421.

Western Regional Climate Center, wrcc@dri.edu