203  
CDUS46 KMTR 200042  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
542 PM PDT WED MAR 19 2025  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MARCH 19 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 1:52 PM 78 2010 64 -4 62  
MINIMUM 42 5:12 AM 39 1955 48 -6 52  
1965  
AVERAGE 51 56 -5 57  
 
PRECIPITATION (IN)  
TODAY 0.00 1.05 2011 0.08 -0.08 0.00  
MONTH TO DATE 1.47 1.84 -0.37 2.07  
SINCE OCT 1 15.39 16.66 -1.27 17.04  
SINCE JAN 1 6.83 9.69 -2.86 11.71  
 
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 14 9 5 8  
MONTH TO DATE 225 188 37 171  
SINCE MAR 1 225 188 37 171  
SINCE JUL 1 1758 1867 -109 1312  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE MAR 1 0 0 0 1  
SINCE JAN 1 0 0 0 1    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1:00 AM  
LOWEST 36 3:00 PM  
AVERAGE 61  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 78 2004  
MINIMUM TEMPERATURE (F) 48 38 1952  
1982  
 
SUNRISE AND SUNSET  
MARCH 19 2025.........SUNRISE 7:14 AM PDT SUNSET 7:21 PM PDT  
MARCH 20 2025.........SUNRISE 7:12 AM PDT SUNSET 7:22 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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