671  
CDUS46 KMTR 070828  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT SAT OCT 07 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 6 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 92R 3:04 PM 92 1992 74 18 69  
MINIMUM 66 3:47 AM 44 1954 55 11 54  
AVERAGE 79 64 15 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.10 1960 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.08 -0.08 0.00  
SINCE OCT 1 0.00 0.08 -0.08 0.00  
SINCE JAN 1 20.20 12.75 7.45 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 12 -12 8  
SINCE SEP 1 6 58 -52 21  
SINCE JUL 1 53 160 -107 82  
 
COOLING  
YESTERDAY 14 2 12 0  
MONTH TO DATE 40 12 28 3  
SINCE SEP 1 88 68 20 117  
SINCE JAN 1 227 178 49 270    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.2  
 
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 78 6:00 AM  
LOWEST 24 4:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 1996  
MINIMUM TEMPERATURE (F) 55 45 1946  
1968  
1970  
 
SUNRISE AND SUNSET  
OCTOBER 7 2023.......SUNRISE 7:10 AM PDT SUNSET 6:44 PM PDT  
OCTOBER 8 2023.......SUNRISE 7:11 AM PDT SUNSET 6:42 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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