443  
CDUS46 KMTR 240827  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT TUE SEP 24 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 23 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 86 2:58 PM 92 1978 75 11 70  
MINIMUM 53 5:27 AM 45 1972 56 -3 55  
AVERAGE 70 65 5 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.31 1982 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.04 -0.04 T  
SINCE OCT 1 20.23 19.61 0.62 31.42  
SINCE JAN 1 14.90 12.64 2.26 20.17  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 63 30 33 3  
SINCE SEP 1 63 30 33 3  
SINCE JUL 1 193 132 61 50  
 
COOLING  
YESTERDAY 5 2 3 0  
MONTH TO DATE 8 46 -38 35  
SINCE SEP 1 8 46 -38 35  
SINCE JAN 1 82 156 -74 174    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 AM  
LOWEST 36 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 2019  
MINIMUM TEMPERATURE (F) 56 48 1945  
1955  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2024.....SUNRISE 7:00 AM PDT SUNSET 7:02 PM PDT  
SEPTEMBER 25 2024.....SUNRISE 7:00 AM PDT SUNSET 7:01 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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