787  
CDUS46 KMTR 100038  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
538 PM PDT WED APR 09 2025  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 9 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 73 1:14 PM 90 1989 65 8 71  
MINIMUM 50 6:12 AM 38 1953 49 1 48  
AVERAGE 62 57 5 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.96 1965 0.05 -0.05 0.00  
MONTH TO DATE 0.33 0.58 -0.25 0.50  
SINCE OCT 1 15.96 18.13 -2.17 18.91  
SINCE JAN 1 7.40 11.16 -3.76 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 3 8 -5 5  
MONTH TO DATE 73 75 -2 86  
SINCE MAR 1 389 371 18 363  
SINCE JUL 1 1922 2050 -128 1504  
 
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 4 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 3:00 AM  
LOWEST 49 4:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 91 1988  
MINIMUM TEMPERATURE (F) 49 41 1946  
1949  
 
SUNRISE AND SUNSET  
APRIL 9 2025.........SUNRISE 6:43 AM PDT SUNSET 7:40 PM PDT  
APRIL 10 2025.........SUNRISE 6:41 AM PDT SUNSET 7:41 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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