980  
CDUS46 KMTR 250829  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT WED SEP 25 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 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 79 11:41 AM 94 2019 75 4 73  
MINIMUM 58 11:59 PM 48 1945 56 2 55  
1955  
AVERAGE 69 65 4 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.18 1986 0.00 0.00 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 1  
MONTH TO DATE 63 32 31 4  
SINCE SEP 1 63 32 31 4  
SINCE JUL 1 193 134 59 51  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 12 48 -36 35  
SINCE SEP 1 12 48 -36 35  
SINCE JAN 1 86 158 -72 174    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 9:00 PM  
LOWEST 54 1:00 PM  
AVERAGE 72  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 96 2019  
MINIMUM TEMPERATURE (F) 56 47 1948  
1972  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2024.....SUNRISE 7:00 AM PDT SUNSET 7:01 PM PDT  
SEPTEMBER 26 2024.....SUNRISE 7:01 AM PDT SUNSET 6:59 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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