126  
CDUS46 KMTR 090833  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
133 AM PDT MON SEP 09 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 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 12:25 PM 100 1984 75 -4 76  
MINIMUM 51 6:43 AM 48 1946 56 -5 57  
AVERAGE 61 66 -5 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.17 1985 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 T  
SINCE OCT 1 20.23 19.58 0.65 31.42  
SINCE JAN 1 14.90 12.61 2.29 20.17  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 13 10 3 0  
SINCE SEP 1 13 10 3 0  
SINCE JUL 1 143 112 31 47  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 3 16 -13 14  
SINCE SEP 1 3 16 -13 14  
SINCE JAN 1 77 126 -49 153    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 12.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 65 12:00 PM  
AVERAGE 83  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1951  
MINIMUM TEMPERATURE (F) 56 46 1946  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2024.....SUNRISE 6:47 AM PDT SUNSET 7:25 PM PDT  
SEPTEMBER 10 2024.....SUNRISE 6:48 AM PDT SUNSET 7:24 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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