669
CDUS46 KMTR 160837
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT WED APR 16 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 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 65 12:55 PM 83 1966 66 -1 65
MINIMUM 51 2:10 AM 38 1955 49 2 50
1975
AVERAGE 58 57 1 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.02 1978 0.04 -0.04 0.00
MONTH TO DATE 0.33 0.87 -0.54 0.77
SINCE OCT 1 15.96 18.42 -2.46 19.18
SINCE JAN 1 7.40 11.45 -4.05 13.85
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 7 8 -1 7
MONTH TO DATE 111 123 -12 133
SINCE MAR 1 427 419 8 410
SINCE JUL 1 1960 2098 -138 1551
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 3 1 2 1
SINCE JAN 1 3 1 2 1
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 2:00 AM
LOWEST 53 4:00 PM
AVERAGE 70
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 81 1999
MINIMUM TEMPERATURE (F) 49 40 1975
SUNRISE AND SUNSET
APRIL 16 2025.........SUNRISE 6:33 AM PDT SUNSET 7:46 PM PDT
APRIL 17 2025.........SUNRISE 6:31 AM PDT SUNSET 7:47 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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