237  
CDUS46 KMTR 250032  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
532 PM PDT SAT MAY 24 2025  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 24 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 60 3:51 PM 91 1982 69 -9 59  
MINIMUM 52 6:49 AM 45 1953 52 0 52  
AVERAGE 56 61 -5 56  
 
PRECIPITATION (IN)  
TODAY 0.00 0.14 1960 0.01 -0.01 0.00  
MONTH TO DATE 0.11 0.40 -0.29 0.95  
SINCE OCT 1 16.11 19.31 -3.20 20.13  
SINCE JAN 1 7.55 12.34 -4.79 14.80  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 9 5 4 9  
MONTH TO DATE 136 139 -3 111  
SINCE MAR 1 690 669 21 600  
SINCE JUL 1 2223 2348 -125 1741  
 
COOLING  
TODAY 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 13 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 4:00 AM  
LOWEST 67 12:00 PM  
AVERAGE 78  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 2020  
MINIMUM TEMPERATURE (F) 52 45 1955  
1965  
1967  
 
SUNRISE AND SUNSET  
MAY 24 2025...........SUNRISE 5:53 AM PDT SUNSET 8:20 PM PDT  
MAY 25 2025...........SUNRISE 5:53 AM PDT SUNSET 8:21 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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