245  
CDUS46 KMTR 080847  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
147 AM PDT SUN OCT 08 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 7 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 91 1:41 PM 92 1996 74 17 70  
MINIMUM 63 11:59 PM 45 1946 55 8 53  
1968  
1970  
AVERAGE 77 64 13 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.44 1973 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.09 -0.09 0.00  
SINCE OCT 1 0.00 0.09 -0.09 0.00  
SINCE JAN 1 20.20 12.76 7.44 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 0 14 -14 11  
SINCE SEP 1 6 60 -54 24  
SINCE JUL 1 53 162 -109 85  
 
COOLING  
YESTERDAY 12 2 10 0  
MONTH TO DATE 52 14 38 3  
SINCE SEP 1 100 70 30 117  
SINCE JAN 1 239 180 59 270    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 11:00 PM  
LOWEST 32 4:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 1996  
MINIMUM TEMPERATURE (F) 55 43 1946  
 
SUNRISE AND SUNSET  
OCTOBER 8 2023.......SUNRISE 7:11 AM PDT SUNSET 6:42 PM PDT  
OCTOBER 9 2023.......SUNRISE 7:12 AM PDT SUNSET 6:41 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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