476  
CDUS46 KMTR 050033  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
433 PM PST THU JAN 04 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 4 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 61 2:25 PM 66 2014 57 4 62  
MINIMUM 47 4:00 AM 29 1949 44 3 49  
AVERAGE 54 51 3 56  
 
PRECIPITATION (IN)  
TODAY 0.00 5.59 1982 0.13 -0.13 1.65  
MONTH TO DATE 0.44 0.50 -0.06 2.18  
SINCE OCT 1 5.77 7.47 -1.70 13.43  
SINCE JAN 1 0.44 0.50 -0.06 2.18  
 
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 11 14 -3 9  
MONTH TO DATE 42 56 -14 46  
SINCE DEC 1 315 478 -163 492  
SINCE JUL 1 538 986 -448 1017  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 8:00 AM  
LOWEST 64 2:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 66 2014  
MINIMUM TEMPERATURE (F) 44 26 1949  
 
SUNRISE AND SUNSET  
JANUARY 4 2024.......SUNRISE 7:25 AM PST SUNSET 5:04 PM PST  
JANUARY 5 2024.......SUNRISE 7:25 AM PST SUNSET 5:05 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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