625  
CDUS46 KMTR 160829  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT MON SEP 16 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 64 1:04 PM 98 1971 75 -11 73  
MINIMUM 54 5:19 AM 48 1970 56 -2 61  
AVERAGE 59 66 -7 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 1982 0.00 0.00 0.00  
1995  
1996  
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)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 1 5 0  
MONTH TO DATE 38 17 21 0  
SINCE SEP 1 38 17 21 0  
SINCE JUL 1 168 119 49 47  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 3 30 -27 22  
SINCE SEP 1 3 30 -27 22  
SINCE JAN 1 77 140 -63 161    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 21 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 21.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 72 2:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 90 1968  
MINIMUM TEMPERATURE (F) 56 49 2006  
 
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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