405  
CDUS46 KMTR 280826  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT WED AUG 28 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 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 1:34 PM 94 1993 74 12 70  
MINIMUM 55 6:07 AM 46 1951 56 -1 58  
1952  
AVERAGE 71 65 6 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.08 1949 0.00 0.00 0.00  
MONTH TO DATE 0.10 0.03 0.07 0.03  
SINCE OCT 1 20.23 19.56 0.67 31.42  
SINCE JAN 1 14.90 12.59 2.31 20.17  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 77 37 40 6  
SINCE JUN 1 240 192 48 125  
SINCE JUL 1 127 95 32 47  
 
COOLING  
YESTERDAY 6 2 4 0  
MONTH TO DATE 14 34 -20 93  
SINCE JUN 1 63 83 -20 116  
SINCE JAN 1 74 103 -29 121    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 32 1:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 95 2009  
MINIMUM TEMPERATURE (F) 56 49 1945  
1952  
 
SUNRISE AND SUNSET  
AUGUST 28 2024........SUNRISE 6:37 AM PDT SUNSET 7:43 PM PDT  
AUGUST 29 2024........SUNRISE 6:38 AM PDT SUNSET 7:42 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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