481  
CDUS46 KMTR 270039  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
539 PM PDT SAT AUG 26 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 26 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 69 2:30 PM 89 1993 74 -5 75  
MINIMUM 59 3:15 AM 48 1945 56 3 56  
AVERAGE 64 65 -1 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.01 1961 0.00 0.00 0.00  
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 0.0 0.0  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 1 1 0 0  
MONTH TO DATE 5 36 -31 3  
SINCE JUN 1 124 191 -67 119  
SINCE JUL 1 46 94 -48 60  
 
COOLING  
TODAY 0 2 -2 1  
MONTH TO DATE 93 32 61 66  
SINCE JUN 1 116 81 35 130  
SINCE JAN 1 121 101 20 150    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 63 1:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 1993  
MINIMUM TEMPERATURE (F) 56 46 1951  
1952  
 
SUNRISE AND SUNSET  
AUGUST 26 2023........SUNRISE 6:35 AM PDT SUNSET 7:47 PM PDT  
AUGUST 27 2023........SUNRISE 6:35 AM PDT SUNSET 7:46 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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