711  
CDUS46 KMTR 130031  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
431 PM PST FRI JAN 12 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 12 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 54 3:59 PM 70 2009 58 -4 69  
MINIMUM 42 4:14 AM 32 1949 44 -2 55  
1963  
AVERAGE 48 51 -3 62  
 
PRECIPITATION (IN)  
TODAY 0.00 1.56 1993 0.14 -0.14 0.00  
MONTH TO DATE 0.85 1.58 -0.73 5.89  
SINCE OCT 1 6.18 8.55 -2.37 17.14  
SINCE JAN 1 0.85 1.58 -0.73 5.89  
 
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 17 14 3 3  
MONTH TO DATE 158 168 -10 105  
SINCE DEC 1 431 590 -159 551  
SINCE JUL 1 654 1098 -444 1076  
 
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 E (100)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 5:00 AM  
LOWEST 71 12:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 72 2009  
MINIMUM TEMPERATURE (F) 44 29 1963  
 
SUNRISE AND SUNSET  
JANUARY 12 2024.......SUNRISE 7:24 AM PST SUNSET 5:12 PM PST  
JANUARY 13 2024.......SUNRISE 7:24 AM PST SUNSET 5:13 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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