530  
CDUS46 KMTR 110833  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
133 AM PDT WED OCT 11 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 10 2023
 
 
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)  
YESTERDAY  
MAXIMUM 73 2:01 PM 89 1958 74 -1 69  
1992  
MINIMUM 60 7:13 AM 44 1968 54 6 54  
AVERAGE 67 64 3 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.26 1957 0.02 -0.02 0.00  
MONTH TO DATE T 0.14 -0.14 0.00  
SINCE OCT 1 T 0.14 -0.14 0.00  
SINCE JAN 1 20.20 12.81 7.39 2.17  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 1 20 -19 26  
SINCE SEP 1 7 66 -59 39  
SINCE JUL 1 54 168 -114 100  
 
COOLING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 55 18 37 3  
SINCE SEP 1 103 74 29 117  
SINCE JAN 1 242 184 58 270    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 12.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 43 2:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 88 2010  
MINIMUM TEMPERATURE (F) 54 46 1953  
1955  
 
SUNRISE AND SUNSET  
OCTOBER 11 2023.......SUNRISE 7:14 AM PDT SUNSET 6:38 PM PDT  
OCTOBER 12 2023.......SUNRISE 7:15 AM PDT SUNSET 6:37 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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