451  
CDUS46 KMTR 010829  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT SUN SEP 01 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 68 3:07 PM 89 2005 74 -6 76  
MINIMUM 59 11:59 PM 48 1955 56 3 59  
1957  
AVERAGE 64 65 -1 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 1964 0.00 0.00 0.00  
MONTH TO DATE 0.10 0.04 0.06 0.03  
SINCE OCT 1 20.23 19.57 0.66 31.42  
SINCE JAN 1 14.90 12.60 2.30 20.17  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 80 43 37 6  
SINCE JUN 1 243 198 45 125  
SINCE JUL 1 130 101 29 47  
 
COOLING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 14 41 -27 111  
SINCE JUN 1 63 90 -27 134  
SINCE JAN 1 74 110 -36 139    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 15.4  
 
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 3:00 AM  
LOWEST 66 11:00 AM  
AVERAGE 78  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 104 2017  
MINIMUM TEMPERATURE (F) 56 49 1957  
1981  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2024.....SUNRISE 6:40 AM PDT SUNSET 7:38 PM PDT  
SEPTEMBER 2 2024.....SUNRISE 6:41 AM PDT SUNSET 7:36 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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