346  
CDUS46 KMTR 100827  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT SAT AUG 10 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 9 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 65 4:07 PM 95 1970 73 -8 75  
MINIMUM 51 3:07 AM 48 1954 56 -5 58  
AVERAGE 58 65 -7 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.02 1962 0.00 0.00 0.00  
MONTH TO DATE T 0.01 -0.01 0.00  
SINCE OCT 1 20.13 19.54 0.59 31.39  
SINCE JAN 1 14.80 12.57 2.23 20.14  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 2 5 0  
MONTH TO DATE 34 18 16 4  
SINCE JUN 1 197 173 24 123  
SINCE JUL 1 84 76 8 45  
 
COOLING  
YESTERDAY 0 1 -1 2  
MONTH TO DATE 0 9 -9 11  
SINCE JUN 1 49 58 -9 34  
SINCE JAN 1 60 78 -18 39    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 14.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 70 2:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 87 2009  
MINIMUM TEMPERATURE (F) 56 47 1951  
 
SUNRISE AND SUNSET  
AUGUST 10 2024........SUNRISE 6:22 AM PDT SUNSET 8:07 PM PDT  
AUGUST 11 2024........SUNRISE 6:22 AM PDT SUNSET 8:06 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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