454  
CDUS46 KMTR 170040  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
540 PM PDT MON SEP 16 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 67 2:55 PM 90 1968 75 -8 73  
MINIMUM 54 6:26 AM 49 2006 56 -2 63  
AVERAGE 61 66 -5 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.88 1989 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 4 1 3 0  
MONTH TO DATE 42 18 24 0  
SINCE SEP 1 42 18 24 0  
SINCE JUL 1 172 120 52 47  
 
COOLING  
TODAY 0 2 -2 3  
MONTH TO DATE 3 32 -29 25  
SINCE SEP 1 3 32 -29 25  
SINCE JAN 1 77 142 -65 164    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 14.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 3:00 AM  
LOWEST 63 3:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1984  
MINIMUM TEMPERATURE (F) 56 50 1945  
1946  
1988  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2024.....SUNRISE 6:53 AM PDT SUNSET 7:15 PM PDT  
SEPTEMBER 17 2024.....SUNRISE 6:54 AM PDT SUNSET 7:13 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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