177  
CDUS46 KMTR 160834  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1234 AM PST SUN FEB 16 2025  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR FEBRUARY 15 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 57 1:28 PM 75 2015 61 -4 61  
2016  
MINIMUM 42 6:37 AM 33 1953 46 -4 48  
AVERAGE 50 54 -4 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.42 2009 0.15 -0.15 T  
MONTH TO DATE 5.10 2.11 2.99 2.80  
SINCE OCT 1 13.90 12.97 0.93 13.17  
SINCE JAN 1 5.34 6.00 -0.66 7.84  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 12 3 10  
MONTH TO DATE 186 182 4 184  
SINCE DEC 1 875 1030 -155 786  
SINCE JUL 1 1416 1538 -122 1009  
 
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 2 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 83 1:00 PM  
AVERAGE 92  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 74 2016  
MINIMUM TEMPERATURE (F) 46 35 1946  
1966  
 
SUNRISE AND SUNSET  
FEBRUARY 16 2025......SUNRISE 6:57 AM PST SUNSET 5:50 PM PST  
FEBRUARY 17 2025......SUNRISE 6:56 AM PST SUNSET 5:51 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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