LANCASTER FSS, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 56.8 60.6 64.6 71.4 79.3 89.1 95.5 94.8 88.4 77.7 65.1 56.9 75.0
Highest Mean Max. Temperature (F) 62.9 67.5 74.7 81.1 89.0 94.7 99.4 99.2 95.2 86.3 74.1 64.8 99.4
Year Highest Occurred 1986 1991 1972 1989 1997 1981 1996 1996 1974 1988 1995 1980 1996
Lowest Mean Max. Temperature (F) 48.9 52.5 55.7 61.3 68.3 80.9 89.5 89.1 79.7 71.7 57.0 45.6 45.6
Year Lowest Occurred 1979 1979 1991 1983 1998 1998 1993 1976 1985 1972 1994 1984 1984
Mean Temperature (F) 43.9 47.6 51.9 58.0 66.1 74.8 80.8 79.5 72.6 61.8 50.0 42.8 60.8
Highest Mean Temperature (F) 48.4 52.6 57.8 65.4 75.2 80.3 85.2 82.9 77.1 67.8 56.6 49.9 85.2
Year Highest Occurred 1980 1995 1972 1989 1997 1981 1996 1994 1979 1991 1995 1977 1996
Lowest Mean Temperature (F) 40.0 41.8 45.9 50.1 58.2 68.4 75.5 74.3 66.5 57.0 43.7 36.3 36.3
Year Lowest Occurred 1973 1979 1977 1975 1998 1998 1987 1976 1986 1971 1994 1984 1984
Mean Min. Temperature (F) 31.0 34.6 39.2 44.5 52.8 60.4 66.0 64.1 56.8 45.8 34.9 28.7 46.6
Highest Mean Min. Temperature (F) 38.5 39.9 43.8 49.8 61.3 65.8 70.9 67.4 61.4 51.9 40.3 37.8 70.9
Year Highest Occurred 1995 1996 1989 1990 1997 1981 1996 1994 1983 1991 1996 1977 1996
Lowest Mean Min. Temperature (F) 22.9 29.3 32.4 38.6 48.0 55.9 60.3 59.5 52.2 40.9 30.3 20.6 20.6
Year Lowest Occurred 1976 1984 1977 1975 1977 1998 1987 1976 1973 1971 1994 1990 1990
Mean Precipitation (in.) 1.60 1.62 1.44 0.32 0.12 0.05 0.10 0.14 0.20 0.30 0.50 1.01 7.40
Highest Precipitation (in.) 7.46 6.23 5.56 1.82 1.10 0.83 0.95 2.35 1.28 2.39 2.08 5.35 7.46
Year Highest Occurred 1993 1998 1983 2000 1977 1993 1999 1983 1976 1987 1982 1984 1993
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Year Lowest Occurred 1984 1997 1999 1997 2000 1998 2000 1999 2000 1999 1995 2000 1984
Heating Degree Days (F) 655. 487. 411. 249. 112. 8. 0. 0. 18. 161. 451. 689. 3241.
Cooling Degree Days (F) 0. 0. 5. 38. 145. 301. 488. 448. 246. 61. 1. 0. 1733.

Western Regional Climate Center, wrcc@dri.edu