324  
CDUS46 KMTR 130026  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
526 PM PDT THU OCT 12 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 12 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 12:55 PM 94 2010 73 4 68  
MINIMUM 55 6:01 AM 46 1953 54 1 54  
1969  
AVERAGE 66 64 2 61  
 
PRECIPITATION (IN)  
TODAY 0.00 1.94 1962 0.03 -0.03 0.00  
MONTH TO DATE T 0.18 -0.18 0.00  
SINCE OCT 1 T 0.18 -0.18 0.00  
SINCE JAN 1 20.20 12.85 7.35 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 25 -24 36  
SINCE SEP 1 7 71 -64 49  
SINCE JUL 1 54 173 -119 110  
 
COOLING  
TODAY 1 1 0 0  
MONTH TO DATE 56 20 36 3  
SINCE SEP 1 104 76 28 117  
SINCE JAN 1 243 186 57 270    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1:00 AM  
LOWEST 33 1:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 92 2010  
MINIMUM TEMPERATURE (F) 54 45 1951  
1981  
 
SUNRISE AND SUNSET  
OCTOBER 12 2023.......SUNRISE 7:15 AM PDT SUNSET 6:37 PM PDT  
OCTOBER 13 2023.......SUNRISE 7:16 AM PDT SUNSET 6:35 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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