735  
CDUS46 KMTR 180033  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
533 PM PDT TUE SEP 17 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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 65 12:43 PM 94 1984 75 -10 75  
MINIMUM 54 2:25 AM 50 1945 56 -2 61  
1946  
1988  
AVERAGE 60 65 -5 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.28 1982 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.02 -0.02 T  
SINCE OCT 1 20.23 19.59 0.64 31.42  
SINCE JAN 1 14.90 12.62 2.28 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 5 1 4 0  
MONTH TO DATE 47 19 28 0  
SINCE SEP 1 47 19 28 0  
SINCE JUL 1 177 121 56 47  
 
COOLING  
TODAY 0 2 -2 3  
MONTH TO DATE 3 34 -31 28  
SINCE SEP 1 3 34 -31 28  
SINCE JAN 1 77 144 -67 167    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.1  
 
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 87 3:00 AM  
LOWEST 67 2:00 PM  
AVERAGE 77  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 2009  
MINIMUM TEMPERATURE (F) 56 46 1955  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2024.....SUNRISE 6:54 AM PDT SUNSET 7:13 PM PDT  
SEPTEMBER 18 2024.....SUNRISE 6:55 AM PDT SUNSET 7:12 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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