401  
CDUS46 KMTR 160031  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
531 PM PDT SUN OCT 15 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 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 2:51 PM 95 1961 73 4 68  
MINIMUM 63 7:31 AM 42 1966 54 9 54  
AVERAGE 70 63 7 61  
 
PRECIPITATION (IN)  
TODAY 0.00 1.42 1969 0.03 -0.03 0.00  
MONTH TO DATE T 0.25 -0.25 0.00  
SINCE OCT 1 T 0.25 -0.25 0.00  
SINCE JAN 1 20.20 12.92 7.28 2.17  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 4  
MONTH TO DATE 1 34 -33 51  
SINCE SEP 1 7 80 -73 64  
SINCE JUL 1 54 182 -128 125  
 
COOLING  
TODAY 5 1 4 0  
MONTH TO DATE 64 23 41 3  
SINCE SEP 1 112 79 33 117  
SINCE JAN 1 251 189 62 270    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 4:00 AM  
LOWEST 52 1:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 2020  
MINIMUM TEMPERATURE (F) 54 44 1980  
 
SUNRISE AND SUNSET  
OCTOBER 15 2023.......SUNRISE 7:18 AM PDT SUNSET 6:32 PM PDT  
OCTOBER 16 2023.......SUNRISE 7:19 AM PDT SUNSET 6:31 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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