744  
CDUS46 KMTR 130027  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT THU SEP 12 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2024  
 
VALID TODAY AS OF 0500 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 73 12:33 PM 100 1979 75 -2 74  
MINIMUM 51 6:21 AM 47 1946 56 -5 60  
1970  
AVERAGE 62 66 -4 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.07 1963 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 T  
SINCE OCT 1 20.23 19.58 0.65 31.42  
SINCE JAN 1 14.90 12.61 2.29 20.17  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 3 1 2 0  
MONTH TO DATE 30 14 16 0  
SINCE SEP 1 30 14 16 0  
SINCE JUL 1 160 116 44 47  
 
COOLING  
TODAY 0 2 -2 2  
MONTH TO DATE 3 24 -21 18  
SINCE SEP 1 3 24 -21 18  
SINCE JAN 1 77 134 -57 157    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 54 3:00 PM  
AVERAGE 77  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 101 1971  
MINIMUM TEMPERATURE (F) 56 47 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2024.....SUNRISE 6:49 AM PDT SUNSET 7:21 PM PDT  
SEPTEMBER 13 2024.....SUNRISE 6:50 AM PDT SUNSET 7:19 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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