353  
CDUS46 KMTR 090837  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT MON OCT 09 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 8 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 69 12:24 PM 94 1996 74 -5 66  
MINIMUM 58 11:59 PM 43 1946 55 3 54  
AVERAGE 64 64 0 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.23 1973 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.11 -0.11 0.00  
SINCE OCT 1 0.00 0.11 -0.11 0.00  
SINCE JAN 1 20.20 12.78 7.42 2.17  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 2 -1 5  
MONTH TO DATE 1 16 -15 16  
SINCE SEP 1 7 62 -55 29  
SINCE JUL 1 54 164 -110 90  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 52 16 36 3  
SINCE SEP 1 100 72 28 117  
SINCE JAN 1 239 182 57 270    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 5:00 AM  
LOWEST 63 12:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 1958  
MINIMUM TEMPERATURE (F) 54 45 1955  
 
SUNRISE AND SUNSET  
OCTOBER 9 2023.......SUNRISE 7:12 AM PDT SUNSET 6:41 PM PDT  
OCTOBER 10 2023.......SUNRISE 7:13 AM PDT SUNSET 6:39 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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