594  
CDUS46 KMTR 170033  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
533 PM PDT WED AUG 16 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 16 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 77 11:48 AM 90 2015 73 4 83  
MINIMUM 60 5:44 AM 48 1952 57 3 57  
1955  
AVERAGE 69 65 4 70  
 
PRECIPITATION (IN)  
TODAY 0.00 0.04 2020 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.02 -0.02 0.01  
SINCE OCT 1 31.39 19.55 11.84 18.18  
SINCE JAN 1 20.14 12.58 7.56 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 26 -22 0  
SINCE JUN 1 123 181 -58 116  
SINCE JUL 1 45 84 -39 57  
 
COOLING  
TODAY 4 1 3 5  
MONTH TO DATE 37 16 21 48  
SINCE JUN 1 60 65 -5 112  
SINCE JAN 1 65 85 -20 132    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 56 12:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 82 1988  
1993  
2020  
MINIMUM TEMPERATURE (F) 57 48 1945  
1952  
 
SUNRISE AND SUNSET  
AUGUST 16 2023........SUNRISE 6:26 AM PDT SUNSET 8:01 PM PDT  
AUGUST 17 2023........SUNRISE 6:27 AM PDT SUNSET 8:00 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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