289  
CDUS46 KMTR 300828  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT MON SEP 30 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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 67 1:22 PM 95 2020 75 -8 70  
MINIMUM 56 11:59 PM 45 1950 55 1 60  
1955  
AVERAGE 62 65 -3 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.11 1971 0.00 0.00 T  
MONTH TO DATE 0.00 0.06 -0.06 0.01  
SINCE OCT 1 20.23 19.63 0.60 31.43  
SINCE JAN 1 14.90 12.66 2.24 20.18  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 2 1 0  
MONTH TO DATE 74 42 32 4  
SINCE SEP 1 74 42 32 4  
SINCE JUL 1 204 144 60 51  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 18 58 -40 48  
SINCE SEP 1 18 58 -40 48  
SINCE JAN 1 92 168 -76 187    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 66 1:00 PM  
AVERAGE 78  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1980  
2001  
MINIMUM TEMPERATURE (F) 55 41 1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2024.....SUNRISE 7:05 AM PDT SUNSET 6:53 PM PDT  
OCTOBER 1 2024.......SUNRISE 7:06 AM PDT SUNSET 6:52 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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