443  
CDUS46 KMTR 280028  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
428 PM PST FRI DEC 27 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 27 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 62 1:22 PM 70 1953 57 5 61  
MINIMUM 55 12:26 AM 33 1954 44 11 53  
1962  
AVERAGE 59 51 8 57  
 
PRECIPITATION (IN)  
TODAY 0.21 2.24 2004 0.14 0.07 0.21  
MONTH TO DATE 4.22 3.61 0.61 2.73  
SINCE OCT 1 8.27 6.44 1.83 4.15  
SINCE JAN 1 23.17 19.11 4.06 24.35  
 
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 6 14 -8 8  
MONTH TO DATE 272 363 -91 245  
SINCE DEC 1 272 363 -91 245  
SINCE JUL 1 813 871 -58 468  
 
COOLING  
TODAY 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 13 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 15.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 78 1:00 PM  
AVERAGE 88  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 71 1967  
MINIMUM TEMPERATURE (F) 44 32 1966  
 
SUNRISE AND SUNSET  
DECEMBER 27 2024......SUNRISE 7:23 AM PST SUNSET 4:59 PM PST  
DECEMBER 28 2024......SUNRISE 7:24 AM PST SUNSET 4:59 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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