553  
CDUS46 KMTR 300835  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1235 AM PST MON DEC 30 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 29 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 62 1:47 PM 68 2013 57 5 65  
MINIMUM 52 11:59 PM 33 1962 44 8 56  
1988  
AVERAGE 57 51 6 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.28 2.60 2003 0.14 0.14 0.98  
MONTH TO DATE 4.51 3.88 0.63 3.72  
SINCE OCT 1 8.56 6.71 1.85 5.14  
SINCE JAN 1 23.46 19.38 4.08 25.34  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 14 -6 4  
MONTH TO DATE 284 391 -107 254  
SINCE DEC 1 284 391 -107 254  
SINCE JUL 1 825 899 -74 477  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 184 201 -17 280    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 13.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 78 12:00 PM  
AVERAGE 86  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 69 1945  
MINIMUM TEMPERATURE (F) 44 33 1978  
1982  
1990  
 
SUNRISE AND SUNSET  
DECEMBER 30 2024......SUNRISE 7:24 AM PST SUNSET 5:01 PM PST  
DECEMBER 31 2024......SUNRISE 7:24 AM PST SUNSET 5:01 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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