National Weather Service Text Product
AFOS product CLISFO
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISFO
Product Timestamp: 2025-05-04 08:38 UTC
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083
CDUS46 KMTR 040838
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT SUN MAY 04 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 3 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 60 2:59 PM 87 2017 67 -7 69
MINIMUM 50 11:59 PM 39 1950 50 0 51
AVERAGE 55 59 -4 60
PRECIPITATION (IN)
YESTERDAY T 0.44 1951 0.02 -0.02 0.00
MONTH TO DATE 0.01 0.06 -0.05 0.00
SINCE OCT 1 15.97 18.97 -3.00 19.18
SINCE JAN 1 7.41 12.00 -4.59 13.85
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 10 7 3 5
MONTH TO DATE 26 21 5 14
SINCE MAR 1 488 551 -63 503
SINCE JUL 1 2021 2230 -209 1644
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 3 6 -3 1
SINCE JAN 1 3 6 -3 1
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 24 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 18.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 3:00 AM
LOWEST 57 2:00 PM
AVERAGE 73
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 84 2011
2013
MINIMUM TEMPERATURE (F) 51 40 1950
1952
SUNRISE AND SUNSET
MAY 4 2025...........SUNRISE 6:10 AM PDT SUNSET 8:03 PM PDT
MAY 5 2025...........SUNRISE 6:09 AM PDT SUNSET 8:04 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$