328  
CDUS46 KMTR 160831  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
131 AM PDT MON JUN 16 2025  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 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 66 12:14 PM 95 1961 72 -6 69  
1976  
MINIMUM 51 5:00 AM 48 1947 54 -3 52  
1952  
AVERAGE 59 63 -4 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.19 1995 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.09 -0.09 0.00  
SINCE OCT 1 16.11 19.48 -3.37 20.13  
SINCE JAN 1 7.55 12.51 -4.96 14.80  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 3 3 4  
MONTH TO DATE 68 56 12 51  
SINCE JUN 1 68 56 12 51  
SINCE JUL 1 2318 2435 -117 1814  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 12 -12 6  
SINCE JUN 1 0 12 -12 6  
SINCE JAN 1 6 32 -26 17    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 5:00 AM  
LOWEST 56 12:00 PM  
AVERAGE 73  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1961  
MINIMUM TEMPERATURE (F) 54 46 1952  
 
SUNRISE AND SUNSET  
JUNE 16 2025..........SUNRISE 5:48 AM PDT SUNSET 8:33 PM PDT  
JUNE 17 2025..........SUNRISE 5:48 AM PDT SUNSET 8:33 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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