BORREGO DESERT PARK, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 69.1 72.8 77.5 84.9 92.6 102.7 107.2 105.9 100.5 89.9 77.6 69.4 87.5
Highest Mean Max. Temperature (F) 75.5 82.3 88.5 95.4 100.0 108.4 112.0 109.4 106.2 98.1 84.3 77.3 112.0
Year Highest Occurred 1986 1991 1972 1989 1984 1981 1989 1981 1979 1988 1989 1980 1989
Lowest Mean Max. Temperature (F) 61.1 65.6 70.0 74.3 83.6 96.2 103.2 100.1 93.1 82.7 69.5 61.9 61.1
Year Lowest Occurred 1979 1993 1973 1975 1977 1998 1984 1983 1985 1972 1994 1992 1979
Mean Temperature (F) 56.1 59.4 63.1 69.1 76.2 85.4 91.1 90.5 85.1 75.3 63.6 56.3 72.6
Highest Mean Temperature (F) 61.4 66.7 71.9 77.7 84.5 90.9 94.3 94.4 89.9 82.2 69.8 62.5 94.4
Year Highest Occurred 1986 1991 1972 1989 1997 1981 1989 1995 1979 1988 1995 1980 1995
Lowest Mean Temperature (F) 50.1 55.2 57.3 60.7 69.0 79.3 85.8 86.5 78.1 68.7 56.3 51.4 50.1
Year Lowest Occurred 1979 1979 1973 1975 1977 1998 1993 1983 1985 1971 1994 1992 1979
Mean Min. Temperature (F) 43.1 45.9 48.7 53.2 59.8 68.1 75.0 75.1 69.7 60.6 49.6 43.2 57.7
Highest Mean Min. Temperature (F) 48.0 51.9 55.3 60.0 69.8 73.3 79.8 79.8 75.0 66.3 55.7 48.0 79.8
Year Highest Occurred 1997 1996 1972 1989 1997 1981 1996 1998 1997 1988 1995 1977 1996
Lowest Mean Min. Temperature (F) 38.5 40.6 43.5 46.7 53.1 62.4 68.1 70.4 62.6 54.1 43.1 38.2 38.2
Year Lowest Occurred 1972 1974 1977 1983 1980 1998 1993 1976 1986 1971 1994 1990 1990
Mean Precipitation (in.) 1.43 1.41 0.94 0.19 0.10 0.02 0.33 0.59 0.50 0.21 0.44 0.75 6.91
Highest Precipitation (in.) 8.78 6.58 4.52 1.01 1.04 0.23 1.50 5.07 4.40 1.69 2.81 3.97 8.78
Year Highest Occurred 1993 1980 1983 1975 1980 1990 1984 1983 1976 1987 1985 1982 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 1972 1974 1988 2000 2000 2000 2000 1999 1994 1999 2000 2000 1972
Heating Degree Days (F) 285. 181. 151. 73. 19. 0. 0. 0. 0. 16. 122. 283. 1130.
Cooling Degree Days (F) 10. 23. 92. 195. 366. 612. 810. 791. 603. 333. 79. 14. 3928.

Western Regional Climate Center, wrcc@dri.edu