730  
CDUS46 KMTR 130826  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT THU MAR 13 2025  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MARCH 12 2025  
 
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)  
YESTERDAY  
MAXIMUM 61 12:02 PM 77 2007 63 -2 61  
MINIMUM 47 10:57 PM 35 1954 47 0 51  
AVERAGE 54 55 -1 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.51 1.46 1971 0.10 0.41 0.10  
MONTH TO DATE 0.70 1.24 -0.54 2.07  
SINCE OCT 1 14.62 16.06 -1.44 17.04  
SINCE JAN 1 6.06 9.09 -3.03 11.71  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 10 1 9  
MONTH TO DATE 136 120 16 134  
SINCE MAR 1 136 120 16 134  
SINCE JUL 1 1669 1799 -130 1275  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 44 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 15.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 2:00 AM  
LOWEST 60 12:00 PM  
AVERAGE 73  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 77 2017  
MINIMUM TEMPERATURE (F) 48 33 1954  
 
SUNRISE AND SUNSET  
MARCH 13 2025.........SUNRISE 7:23 AM PDT SUNSET 7:15 PM PDT  
MARCH 14 2025.........SUNRISE 7:21 AM PDT SUNSET 7:16 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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