123  
CDUS46 KMTR 080831  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1231 AM PST WED JAN 08 2025  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 7 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 65 6:01 PM 66 2019 58 7 56  
MINIMUM 50 3:29 AM 31 1950 44 6 39  
1973  
AVERAGE 58 51 7 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.87 1956 0.13 -0.13 0.00  
MONTH TO DATE 0.12 0.89 -0.77 0.58  
SINCE OCT 1 8.68 7.86 0.82 5.91  
SINCE JAN 1 0.12 0.89 -0.77 0.58  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 14 -7 17  
MONTH TO DATE 81 98 -17 82  
SINCE DEC 1 391 520 -129 355  
SINCE JUL 1 932 1028 -96 578  
 
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 10 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 35 6:00 PM  
AVERAGE 68  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 70 1962  
MINIMUM TEMPERATURE (F) 44 30 1955  
 
SUNRISE AND SUNSET  
JANUARY 8 2025.......SUNRISE 7:25 AM PST SUNSET 5:08 PM PST  
JANUARY 9 2025.......SUNRISE 7:25 AM PST SUNSET 5:09 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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