Climatological Report (Daily)
Issued by NWS
Issued by NWS
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623
CDUS46 KMTR 160830
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT WED JUL 16 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 15 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 73 11:42 AM 93 1995 73 0 70
MINIMUM 55 4:09 AM 49 1949 55 0 56
1962
AVERAGE 64 64 0 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.13 1975 0.00 0.00 0.00
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 1 2 -1 2
MONTH TO DATE 44 30 14 12
SINCE JUN 1 187 127 60 125
SINCE JUL 1 44 30 14 12
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 15 -15 31
SINCE JUN 1 1 38 -37 37
SINCE JAN 1 7 58 -51 48
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 9.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 53 3:00 PM
AVERAGE 73
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 87 1988
MINIMUM TEMPERATURE (F) 55 49 1949
SUNRISE AND SUNSET
JULY 16 2025..........SUNRISE 6:01 AM PDT SUNSET 8:30 PM PDT
JULY 17 2025..........SUNRISE 6:02 AM PDT SUNSET 8:29 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$