610  
CDUS46 KMTR 230828  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT MON SEP 23 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 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 71 1:46 PM 91 1946 75 -4 70  
MINIMUM 54 11:59 PM 48 1981 56 -2 57  
AVERAGE 63 65 -2 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.20 1990 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.03 -0.03 T  
SINCE OCT 1 20.23 19.60 0.63 31.42  
SINCE JAN 1 14.90 12.63 2.27 20.17  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 2 0 1  
MONTH TO DATE 63 28 35 1  
SINCE SEP 1 63 28 35 1  
SINCE JUL 1 193 130 63 48  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 3 44 -41 35  
SINCE SEP 1 3 44 -41 35  
SINCE JAN 1 77 154 -77 174    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 8:00 AM  
LOWEST 63 2:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1978  
MINIMUM TEMPERATURE (F) 56 45 1972  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2024.....SUNRISE 6:59 AM PDT SUNSET 7:04 PM PDT  
SEPTEMBER 24 2024.....SUNRISE 7:00 AM PDT SUNSET 7:02 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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