208  
CDUS46 KMTR 170028  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
528 PM PDT SUN JUL 16 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 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 75 11:42 AM 87 1988 73 2 73  
MINIMUM 57 5:23 AM 49 1949 55 2 53  
AVERAGE 66 64 2 63  
 
PRECIPITATION (IN)  
TODAY 0.00 0.01 1990 0.00 0.00 0.00  
MONTH TO DATE T 0.00 0.00 0.00  
SINCE OCT 1 31.39 19.53 11.86 18.17  
SINCE JAN 1 20.14 12.56 7.58 1.89  
 
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 2 -2 2  
MONTH TO DATE 30 32 -2 24  
SINCE JUN 1 108 129 -21 83  
SINCE JUL 1 30 32 -2 24  
 
COOLING  
TODAY 1 1 0 0  
MONTH TO DATE 15 16 -1 17  
SINCE JUN 1 16 39 -23 62  
SINCE JAN 1 21 59 -38 82    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 53 11:00 AM  
AVERAGE 70  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 91 1961  
MINIMUM TEMPERATURE (F) 55 47 1954  
 
SUNRISE AND SUNSET  
JULY 16 2023..........SUNRISE 6:01 AM PDT SUNSET 8:30 PM PDT  
JULY 17 2023..........SUNRISE 6:01 AM PDT SUNSET 8:30 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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