102  
CDUS46 KMTR 230042  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
442 PM PST SUN DEC 22 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 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 59 12:28 PM 68 1999 58 1 63  
MINIMUM 54 10:36 AM 27 1990 44 10 53  
AVERAGE 57 51 6 58  
 
PRECIPITATION (IN)  
TODAY 0.02 2.99 1955 0.14 -0.12 0.00  
MONTH TO DATE 3.12 2.90 0.22 2.52  
SINCE OCT 1 7.17 5.73 1.44 3.94  
SINCE JAN 1 22.07 18.40 3.67 24.14  
 
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 8 14 -6 7  
MONTH TO DATE 231 293 -62 189  
SINCE DEC 1 231 293 -62 189  
SINCE JUL 1 772 801 -29 412  
 
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 3 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 93 1:00 PM  
AVERAGE 97  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 68 2014  
MINIMUM TEMPERATURE (F) 44 28 1990  
 
SUNRISE AND SUNSET  
DECEMBER 22 2024......SUNRISE 7:22 AM PST SUNSET 4:55 PM PST  
DECEMBER 23 2024......SUNRISE 7:22 AM PST SUNSET 4:56 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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