112  
CDUS46 KMTR 120040  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
540 PM PDT FRI APR 11 2025  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 11 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 64 12:57 PM 84 1988 65 -1 71  
MINIMUM 54 6:53 AM 38 1953 49 5 51  
1967  
AVERAGE 59 57 2 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.92 2010 0.05 -0.05 0.00  
MONTH TO DATE 0.33 0.68 -0.35 0.50  
SINCE OCT 1 15.96 18.23 -2.27 18.91  
SINCE JAN 1 7.40 11.26 -3.86 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 6 8 -2 4  
MONTH TO DATE 85 91 -6 94  
SINCE MAR 1 401 387 14 371  
SINCE JUL 1 1934 2066 -132 1512  
 
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 16 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 17.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 62 4:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 88 1947  
MINIMUM TEMPERATURE (F) 49 39 1956  
1983  
 
SUNRISE AND SUNSET  
APRIL 11 2025.........SUNRISE 6:40 AM PDT SUNSET 7:42 PM PDT  
APRIL 12 2025.........SUNRISE 6:38 AM PDT SUNSET 7:43 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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