724  
CDUS46 KMTR 130026  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
526 PM PDT SAT APR 12 2025  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 12 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 61 2:27 PM 88 1947 65 -4 61  
MINIMUM 49 6:20 AM 39 1956 49 0 51  
1983  
AVERAGE 55 57 -2 56  
 
PRECIPITATION (IN)  
TODAY 0.00 1.31 2003 0.05 -0.05 T  
MONTH TO DATE 0.33 0.73 -0.40 0.50  
SINCE OCT 1 15.96 18.28 -2.32 18.91  
SINCE JAN 1 7.40 11.31 -3.91 13.58  
 
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 10 8 2 9  
MONTH TO DATE 96 99 -3 103  
SINCE MAR 1 412 395 17 380  
SINCE JUL 1 1945 2074 -129 1521  
 
COOLING  
TODAY 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 15 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 15.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 12:00 AM  
LOWEST 55 1:00 PM  
AVERAGE 69  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 84 1947  
1985  
MINIMUM TEMPERATURE (F) 49 39 1972  
 
SUNRISE AND SUNSET  
APRIL 12 2025.........SUNRISE 6:38 AM PDT SUNSET 7:43 PM PDT  
APRIL 13 2025.........SUNRISE 6:37 AM PDT SUNSET 7:44 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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