656  
CDUS46 KMTR 290036  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
536 PM PDT MON AUG 28 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 28 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 74 2:39 PM 95 2009 74 0 75  
MINIMUM 59 6:12 AM 49 1945 56 3 57  
1952  
AVERAGE 67 65 2 66  
 
PRECIPITATION (IN)  
TODAY 0.00 T 1982 0.00 0.00 0.00  
1986  
1987  
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 6 38 -32 3  
SINCE JUN 1 125 193 -68 119  
SINCE JUL 1 47 96 -49 60  
 
COOLING  
TODAY 2 2 0 1  
MONTH TO DATE 95 36 59 67  
SINCE JUN 1 118 85 33 131  
SINCE JAN 1 123 105 18 151    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 15.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 50 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 98 1968  
MINIMUM TEMPERATURE (F) 56 49 1955  
 
SUNRISE AND SUNSET  
AUGUST 28 2023........SUNRISE 6:36 AM PDT SUNSET 7:45 PM PDT  
AUGUST 29 2023........SUNRISE 6:37 AM PDT SUNSET 7:43 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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