783  
CDUS46 KMTR 050042  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
442 PM PST MON DEC 04 2023  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 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 62 3:59 PM 75 1958 60 2 60  
MINIMUM 51 4:34 AM 36 2004 46 5 46  
AVERAGE 57 52 5 53  
 
PRECIPITATION (IN)  
TODAY 0.00 1.56 1945 0.13 -0.13 0.10  
MONTH TO DATE 0.04 0.48 -0.44 1.44  
SINCE OCT 1 1.46 3.31 -1.85 3.03  
SINCE JAN 1 21.66 15.98 5.68 5.20  
 
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 8 12 -4 12  
MONTH TO DATE 26 48 -22 64  
SINCE DEC 1 26 48 -22 64  
SINCE JUL 1 249 556 -307 589  
 
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 1 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 12:00 AM  
LOWEST 80 3:00 PM  
AVERAGE 84  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 69 1979  
MINIMUM TEMPERATURE (F) 46 31 1972  
 
SUNRISE AND SUNSET  
DECEMBER 4 2023......SUNRISE 7:08 AM PST SUNSET 4:51 PM PST  
DECEMBER 5 2023......SUNRISE 7:09 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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