000  
CDUS46 KMTR 280835  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
135 AM PDT SAT SEP 28 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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 2:11 PM 96 1958 75 11 76  
2010  
MINIMUM 55 6:04 AM 47 1948 55 0 61  
1955  
AVERAGE 71 65 6 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 1957 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.05 -0.05 0.01  
SINCE OCT 1 20.23 19.62 0.61 31.43  
SINCE JAN 1 14.90 12.65 2.25 20.18  
 
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 0  
MONTH TO DATE 67 38 29 4  
SINCE SEP 1 67 38 29 4  
SINCE JUL 1 197 140 57 51  
 
COOLING  
YESTERDAY 6 2 4 4  
MONTH TO DATE 18 54 -36 47  
SINCE SEP 1 18 54 -36 47  
SINCE JAN 1 92 164 -72 186    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 8:00 AM  
LOWEST 39 2:00 PM  
AVERAGE 65  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 96 2020  
MINIMUM TEMPERATURE (F) 55 47 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2024.....SUNRISE 7:03 AM PDT SUNSET 6:56 PM PDT  
SEPTEMBER 29 2024.....SUNRISE 7:04 AM PDT SUNSET 6:55 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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