MERCED AP, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 55.1 62.5 67.6 75.3 83.7 91.5 96.5 95.1 90.5 81.1 65.5 55.1 76.6
Highest Mean Max. Temperature (F) 60.5 69.0 75.5 82.0 90.4 96.8 101.1 99.5 95.6 86.1 74.0 60.5 101.1
Year Highest Occurred 2000 1991 1972 1987 1992 1981 1996 1996 1984 1978 1995 1999 1996
Lowest Mean Max. Temperature (F) 48.2 59.0 62.0 68.3 74.5 85.5 90.6 88.6 84.1 74.1 59.4 47.4 47.4
Year Lowest Occurred 1977 1971 1991 1978 1998 1998 1987 1976 1986 1984 1982 1985 1985
Mean Temperature (F) 46.3 51.2 55.0 60.0 67.2 73.9 78.6 77.4 73.2 64.7 53.1 45.5 62.2
Highest Mean Temperature (F) 51.6 55.4 60.7 64.8 73.1 79.5 82.2 80.4 77.8 69.1 59.1 51.2 82.2
Year Highest Occurred 1986 1991 1972 1990 1997 1981 1996 1996 1984 1991 1995 1995 1996
Lowest Mean Temperature (F) 41.6 47.4 50.3 54.6 60.6 69.2 73.7 73.0 68.9 60.5 49.0 40.5 40.5
Year Lowest Occurred 1972 1971 1977 1975 1977 1982 1987 1976 1986 1981 1994 1978 1978
Mean Min. Temperature (F) 37.5 39.9 42.3 44.6 50.6 56.3 60.6 59.7 55.8 48.2 40.7 35.8 47.7
Highest Mean Min. Temperature (F) 44.0 45.2 46.8 49.0 56.3 62.2 64.1 62.7 60.1 53.2 46.2 43.1 64.1
Year Highest Occurred 1995 1996 1993 1990 1997 1981 1984 1983 1997 1987 1997 1983 1984
Lowest Mean Min. Temperature (F) 29.8 35.3 34.6 39.6 45.3 50.4 56.7 55.1 51.5 43.9 36.1 27.8 27.8
Year Lowest Occurred 1976 1989 1977 1979 1978 1979 1987 1978 1978 1981 1971 1990 1990
Mean Precipitation (in.) 2.43 2.43 2.23 0.89 0.45 0.09 0.03 0.02 0.19 0.73 1.41 1.60 12.50
Highest Precipitation (in.) 6.71 6.10 5.47 3.48 2.13 0.61 0.42 0.23 1.34 3.78 4.91 4.49 6.71
Year Highest Occurred 1995 1998 1983 1978 1998 1993 1974 1983 1989 2000 1972 1996 1995
Lowest Precipitation (in.) 0.14 0.26 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.10 0.00
Year Lowest Occurred 1976 1997 1997 1992 1992 1999 2000 2000 1999 1999 1995 1989 1997
Heating Degree Days (F) 581. 387. 317. 186. 67. 6. 0. 0. 5. 89. 359. 605. 2602.
Cooling Degree Days (F) 0. 0. 6. 34. 133. 273. 420. 385. 249. 77. 1. 0. 1578.

Western Regional Climate Center, wrcc@dri.edu