774
CDUS46 KMTR 230845
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT FRI MAY 23 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 22 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 1:41 PM 83 1954 69 -4 68
MINIMUM 52 11:59 PM 44 1952 52 0 54
AVERAGE 59 60 -1 61
PRECIPITATION (IN)
YESTERDAY 0.00 0.20 1958 0.01 -0.01 0.00
MONTH TO DATE 0.11 0.37 -0.26 0.95
SINCE OCT 1 16.11 19.28 -3.17 20.13
SINCE JAN 1 7.55 12.31 -4.76 14.80
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 6 5 1 4
MONTH TO DATE 119 129 -10 96
SINCE MAR 1 673 659 14 585
SINCE JUL 1 2206 2338 -132 1726
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 10
SINCE MAR 1 5 6 -1 11
SINCE JAN 1 5 6 -1 11
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 22 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 22.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 10:00 PM
LOWEST 47 12:00 PM
AVERAGE 65
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 1982
2000
MINIMUM TEMPERATURE (F) 52 46 1954
SUNRISE AND SUNSET
MAY 23 2025...........SUNRISE 5:54 AM PDT SUNSET 8:19 PM PDT
MAY 24 2025...........SUNRISE 5:53 AM PDT SUNSET 8:20 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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