518  
CDUS46 KMTR 240036  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
536 PM PDT WED AUG 23 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 23 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 1:13 PM 92 2010 74 15 76  
MINIMUM 63 5:46 AM 49 1953 57 6 59  
AVERAGE 76 65 11 68  
 
PRECIPITATION (IN)  
TODAY 0.00 T 1989 0.00 0.00 0.00  
1991  
1994  
MONTH TO DATE 0.03 0.03 0.00 0.01  
SINCE OCT 1 31.42 19.56 11.86 18.18  
SINCE JAN 1 20.17 12.59 7.58 1.90  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 4 33 -29 3  
SINCE JUN 1 123 188 -65 119  
SINCE JUL 1 45 91 -46 60  
 
COOLING  
TODAY 11 2 9 3  
MONTH TO DATE 83 26 57 61  
SINCE JUN 1 106 75 31 125  
SINCE JAN 1 111 95 16 145    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 43 2:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 99 2010  
MINIMUM TEMPERATURE (F) 56 49 1955  
 
SUNRISE AND SUNSET  
AUGUST 23 2023........SUNRISE 6:32 AM PDT SUNSET 7:52 PM PDT  
AUGUST 24 2023........SUNRISE 6:33 AM PDT SUNSET 7:50 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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