558  
CDUS46 KMTR 150039  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
439 PM PST THU DEC 14 2023  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 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 60 3:18 PM 69 1958 58 2 53  
MINIMUM 46 7:15 AM 30 1972 45 1 39  
AVERAGE 53 51 2 46  
 
PRECIPITATION (IN)  
TODAY 0.00 0.88 2002 0.14 -0.14 0.00  
MONTH TO DATE 0.16 1.79 -1.63 3.43  
SINCE OCT 1 1.58 4.62 -3.04 5.02  
SINCE JAN 1 21.78 17.29 4.49 7.19  
 
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 12 14 -2 19  
MONTH TO DATE 130 181 -51 216  
SINCE DEC 1 130 181 -51 216  
SINCE JUL 1 353 689 -336 741  
 
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 E (100)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 1.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 8:00 AM  
LOWEST 57 3:00 PM  
AVERAGE 72  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 71 1980  
MINIMUM TEMPERATURE (F) 45 31 1967  
 
SUNRISE AND SUNSET  
DECEMBER 14 2023......SUNRISE 7:16 AM PST SUNSET 4:52 PM PST  
DECEMBER 15 2023......SUNRISE 7:17 AM PST SUNSET 4:52 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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