437  
CDUS46 KMTR 040835  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1235 AM PST TUE FEB 04 2025  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR FEBRUARY 3 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 62 1:33 PM 76 2018 60 2 55  
MINIMUM 55 9:41 PM 32 1979 46 9 48  
AVERAGE 59 52 7 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.02 1998 0.14 -0.10 0.57  
MONTH TO DATE 0.32 0.41 -0.09 1.11  
SINCE OCT 1 9.12 11.27 -2.15 11.48  
SINCE JAN 1 0.56 4.30 -3.74 6.15  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 12 -6 13  
MONTH TO DATE 19 38 -19 35  
SINCE DEC 1 708 886 -178 637  
SINCE JUL 1 1249 1394 -145 860  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 15.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 67 2:00 PM  
AVERAGE 82  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 75 2018  
MINIMUM TEMPERATURE (F) 46 32 1955  
 
SUNRISE AND SUNSET  
FEBRUARY 4 2025......SUNRISE 7:10 AM PST SUNSET 5:37 PM PST  
FEBRUARY 5 2025......SUNRISE 7:09 AM PST SUNSET 5:38 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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