258  
CDUS46 KMTR 090027  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
427 PM PST SUN DEC 08 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 66 3:39 PM 72 2020 59 7 59  
MINIMUM 49 5:19 AM 29 1978 45 4 44  
AVERAGE 58 52 6 52  
 
PRECIPITATION (IN)  
TODAY 0.00 1.32 2016 0.13 -0.13 0.00  
MONTH TO DATE 0.00 0.99 -0.99 0.16  
SINCE OCT 1 4.05 3.82 0.23 1.58  
SINCE JAN 1 18.95 16.49 2.46 21.78  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 7 13 -6 13  
MONTH TO DATE 66 100 -34 62  
SINCE DEC 1 66 100 -34 62  
SINCE JUL 1 607 608 -1 285  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 184 201 -17 280    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 1.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 7:00 AM  
LOWEST 63 3:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 67 1950  
MINIMUM TEMPERATURE (F) 45 24 1972  
 
SUNRISE AND SUNSET  
DECEMBER 8 2024......SUNRISE 7:12 AM PST SUNSET 4:51 PM PST  
DECEMBER 9 2024......SUNRISE 7:13 AM PST SUNSET 4:51 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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