942  
CDUS46 KMTR 040830  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1230 AM PST MON DEC 04 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 3 2023
 
 
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)  
YESTERDAY  
MAXIMUM 65 2:45 PM 73 1958 60 5 50  
MINIMUM 56 11:59 PM 38 1956 46 10 45  
1968  
1976  
AVERAGE 61 53 8 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.89 2014 0.12 -0.12 0.63  
MONTH TO DATE 0.04 0.35 -0.31 1.34  
SINCE OCT 1 1.46 3.18 -1.72 2.93  
SINCE JAN 1 21.66 15.85 5.81 5.10  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 12 -8 17  
MONTH TO DATE 18 36 -18 52  
SINCE DEC 1 18 36 -18 52  
SINCE JUL 1 241 544 -303 577  
 
COOLING  
YESTERDAY 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 W (280)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 AM  
LOWEST 61 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 75 1958  
MINIMUM TEMPERATURE (F) 46 36 2004  
 
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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