069  
CDUS46 KMTR 050829  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT THU OCT 05 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 4 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 90 3:47 PM 95 1987 74 16 66  
MINIMUM 61 4:51 AM 47 1989 55 6 58  
AVERAGE 76 65 11 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.33 1994 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.05 -0.05 0.00  
SINCE OCT 1 0.00 0.05 -0.05 0.00  
SINCE JAN 1 20.20 12.72 7.48 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 8 -8 4  
SINCE SEP 1 6 54 -48 17  
SINCE JUL 1 53 156 -103 78  
 
COOLING  
YESTERDAY 11 2 9 0  
MONTH TO DATE 12 8 4 3  
SINCE SEP 1 60 64 -4 117  
SINCE JAN 1 199 174 25 270    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 7:00 AM  
LOWEST 29 5:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 99 1987  
MINIMUM TEMPERATURE (F) 55 47 1962  
1969  
2009  
 
SUNRISE AND SUNSET  
OCTOBER 5 2023.......SUNRISE 7:09 AM PDT SUNSET 6:47 PM PDT  
OCTOBER 6 2023.......SUNRISE 7:09 AM PDT SUNSET 6:45 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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