516  
CDUS46 KMTR 070837  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT TUE OCT 07 2025  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 6 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 84 3:23 PM 98 2024 74 10 98  
MINIMUM 57 5:42 AM 44 1954 55 2 68  
AVERAGE 71 64 7 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.10 1960 0.02 -0.02 0.00  
MONTH TO DATE 0.13 0.08 0.05 0.00  
SINCE OCT 1 0.13 0.08 0.05 0.00  
SINCE JAN 1 7.75 12.75 -5.00 14.90  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 12 -12 0  
SINCE SEP 1 3 58 -55 74  
SINCE JUL 1 93 160 -67 204  
 
COOLING  
YESTERDAY 6 2 4 18  
MONTH TO DATE 9 12 -3 73  
SINCE SEP 1 87 68 19 97  
SINCE JAN 1 137 178 -41 171    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 7:00 AM  
LOWEST 30 3:00 PM  
AVERAGE 59  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 1996  
MINIMUM TEMPERATURE (F) 55 45 1946  
1968  
1970  
 
SUNRISE AND SUNSET  
OCTOBER 7 2025.......SUNRISE 7:11 AM PDT SUNSET 6:43 PM PDT  
OCTOBER 8 2025.......SUNRISE 7:12 AM PDT SUNSET 6:42 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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