910  
CDUS46 KMTR 090028  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
428 PM PST FRI DEC 08 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 59 3:59 PM 72 2020 59 0 56  
MINIMUM 44 5:40 AM 29 1978 45 -1 41  
AVERAGE 52 52 0 49  
 
PRECIPITATION (IN)  
TODAY 0.00 1.32 2016 0.13 -0.13 0.02  
MONTH TO DATE 0.16 0.99 -0.83 1.58  
SINCE OCT 1 1.58 3.82 -2.24 3.17  
SINCE JAN 1 21.78 16.49 5.29 5.34  
 
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 13 13 0 16  
MONTH TO DATE 62 100 -38 118  
SINCE DEC 1 62 100 -38 118  
SINCE JUL 1 285 608 -323 643  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 280 201 79 280    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 8:00 AM  
LOWEST 49 1:00 PM  
AVERAGE 66  
   
......................................................
 
 
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 2023......SUNRISE 7:12 AM PST SUNSET 4:51 PM PST  
DECEMBER 9 2023......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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