493  
CDUS46 KMTR 060036  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
436 PM PST TUE DEC 05 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 5 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 66 3:53 PM 69 1979 59 7 60  
MINIMUM 50 2:31 AM 31 1972 46 4 50  
AVERAGE 58 52 6 55  
 
PRECIPITATION (IN)  
TODAY 0.00 1.39 1952 0.12 -0.12 0.12  
MONTH TO DATE 0.04 0.60 -0.56 1.56  
SINCE OCT 1 1.46 3.43 -1.97 3.15  
SINCE JAN 1 21.66 16.10 5.56 5.32  
 
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 10  
MONTH TO DATE 33 61 -28 74  
SINCE DEC 1 33 61 -28 74  
SINCE JUL 1 256 569 -313 599  
 
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 2 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 10:00 AM  
LOWEST 78 3:00 PM  
AVERAGE 86  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 67 1979  
2014  
MINIMUM TEMPERATURE (F) 45 37 1967  
1972  
2013  
 
SUNRISE AND SUNSET  
DECEMBER 5 2023......SUNRISE 7:09 AM PST SUNSET 4:51 PM PST  
DECEMBER 6 2023......SUNRISE 7:10 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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