157
CDUS46 KMTR 130837
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT SUN JUL 13 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 12 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 2:37 PM 88 1983 73 -2 70
MINIMUM 55 5:29 AM 47 1950 55 0 54
AVERAGE 63 64 -1 62
PRECIPITATION (IN)
YESTERDAY 0.00 T 1989 0.00 0.00 0.00
1991
1995
MONTH TO DATE 0.00 0.00 0.00 0.00
SINCE OCT 1 16.11 19.53 -3.42 20.13
SINCE JAN 1 7.55 12.56 -5.01 14.80
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 2 2 0 3
MONTH TO DATE 36 24 12 6
SINCE JUN 1 179 121 58 119
SINCE JUL 1 36 24 12 6
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 12 -12 31
SINCE JUN 1 1 35 -34 37
SINCE JAN 1 7 55 -48 48
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 63 3:00 PM
AVERAGE 77
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 97 1972
MINIMUM TEMPERATURE (F) 55 49 1955
1981
SUNRISE AND SUNSET
JULY 13 2025..........SUNRISE 5:59 AM PDT SUNSET 8:31 PM PDT
JULY 14 2025..........SUNRISE 6:00 AM PDT SUNSET 8:31 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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