TRONA, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 56.0 63.7 68.7 76.9 85.1 94.4 99.8 98.0 91.1 79.6 65.5 55.6 77.9
Highest Mean Max. Temperature (F) 62.8 71.3 79.5 87.1 95.9 102.4 106.9 105.0 96.7 87.8 72.8 61.2 106.9
Year Highest Occurred 1996 1991 1972 1989 1997 2000 1996 1996 1974 1988 1995 1995 1996
Lowest Mean Max. Temperature (F) 49.6 54.7 59.5 66.2 74.1 86.0 95.5 93.2 82.2 72.9 57.8 46.2 46.2
Year Lowest Occurred 1979 1998 1991 1975 1977 1995 1987 1976 1985 1981 1994 1984 1984
Mean Temperature (F) 45.9 52.4 57.4 64.5 72.7 81.7 87.2 86.0 79.4 67.5 53.8 44.8 66.1
Highest Mean Temperature (F) 54.1 63.9 65.7 72.9 80.8 90.2 92.2 94.0 85.5 74.1 60.4 51.1 94.0
Year Highest Occurred 1996 1996 1997 1989 1997 1996 1996 1996 1997 1988 1999 1995 1996
Lowest Mean Temperature (F) 41.1 48.1 50.6 54.7 63.0 74.1 82.4 79.1 70.8 60.8 47.7 39.4 39.4
Year Lowest Occurred 1994 1975 1977 1975 1977 1995 1987 1976 1985 1972 1994 1978 1978
Mean Min. Temperature (F) 35.7 41.0 46.1 52.0 60.3 69.0 74.5 74.0 67.6 55.4 42.1 33.9 54.3
Highest Mean Min. Temperature (F) 49.5 52.3 55.6 61.5 69.2 76.3 80.1 82.9 77.0 66.4 51.4 43.0 82.9
Year Highest Occurred 1997 1996 1998 1997 1992 1997 1997 1996 1997 1997 1999 1998 1996
Lowest Mean Min. Temperature (F) 27.7 33.0 37.6 43.2 51.1 62.2 69.2 64.9 59.4 44.7 35.2 27.2 27.2
Year Lowest Occurred 1972 1974 1977 1975 1971 1995 1987 1976 1985 1971 1971 1976 1976
Mean Precipitation (in.) 0.89 0.87 0.62 0.13 0.12 0.10 0.08 0.26 0.25 0.12 0.25 0.42 4.11
Highest Precipitation (in.) 5.01 4.72 2.51 0.73 0.89 1.29 1.01 2.66 2.52 0.88 1.83 2.60 5.01
Year Highest Occurred 1995 1998 1978 1980 1977 1972 1984 1984 1976 1987 1981 1984 1995
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 2000 2000 2000 2000 1997 2000 2000 2000 2000 1984
Heating Degree Days (F) 593. 355. 275. 142. 50. 2. 0. 0. 7. 93. 347. 628. 2492.
Cooling Degree Days (F) 0. 6. 40. 125. 288. 507. 686. 651. 437. 171. 11. 0. 2922.

Western Regional Climate Center, wrcc@dri.edu