CALIFORNIA
MEAN MONTHLY AND ANNUAL NUMBER OF DAYS HEAVY FOG
Heavy fog is defined as an observation with 1/4 mile visibility or less sometime during
the day. * = less than 1/2 day
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
BAKERSFIELD 8 3 1 * * 0 * * * * 3 8 22
BISHOP * 0 0 * 0 0 0 0 0 0 * * *
BLUE CANYON 10 9 11 7 6 2 0 * 1 5 7 10 68
EUREKA 4 3 2 2 1 2 4 5 8 10 6 4 51
FRESNO 12 6 2 * * 0 0 * * 1 6 12 39
LONG BEACH 5 4 3 2 1 2 2 3 4 5 5 6 41
LOS ANGELES AP 4 3 3 2 1 1 2 2 3 5 5 5 37
LOS ANGELES CITY 2 2 1 1 1 1 1 1 1 3 2 2 17
MT SHASTA CITY 2 1 * * 0 * 0 0 * * 1 2 7
OAKLAND 4 2 1 * * 0 0 0 * 2 3 4 17
REDDING 5 1 1 * 0 0 0 0 0 * 2 6 15
RED BLUFF 6 2 1 * * 0 0 0 0 * 2 6 18
SACRAMENTO 10 5 2 * * 0 0 * * 1 5 10 34
SANDBERG 10 12 12 9 7 3 * 1 2 5 6 10 79
SAN DIEGO 3 3 2 1 1 1 1 1 2 3 3 4 23
SAN FRANCISCO AP 4 3 * * * * * * 1 1 2 3 14
SAN FRANCISCO CI
SANTA BARBARA 1 2 2 1 1 1 2 2 3 3 1 1 21
SANTA MARIA 5 4 5 6 6 7 8 10 12 12 7 6 87
STOCKTON 12 8 2 * * * 0 * * 2 8 11 42