983  
CDUS46 KMTR 040829  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1229 AM PST THU JAN 04 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 3 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 59 2:20 PM 69 2000 57 2 55  
MINIMUM 49 6:03 AM 31 1950 44 5 48  
AVERAGE 54 51 3 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.18 1.33 1974 0.12 0.06 0.00  
MONTH TO DATE 0.44 0.37 0.07 0.53  
SINCE OCT 1 5.77 7.34 -1.57 11.78  
SINCE JAN 1 0.44 0.37 0.07 0.53  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 14 -3 13  
MONTH TO DATE 31 42 -11 37  
SINCE DEC 1 304 464 -160 483  
SINCE JUL 1 527 972 -445 1008  
 
COOLING  
YESTERDAY 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 8 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 62 2:00 PM  
AVERAGE 74  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 66 2014  
MINIMUM TEMPERATURE (F) 44 29 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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