089  
CDUS46 KMTR 140842  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
142 AM PDT SAT OCT 14 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 13 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 74 12:57 PM 92 2010 73 1 63  
MINIMUM 55 4:12 AM 45 1951 54 1 55  
1981  
AVERAGE 65 64 1 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.64 2009 0.02 -0.02 0.00  
MONTH TO DATE T 0.20 -0.20 0.00  
SINCE OCT 1 T 0.20 -0.20 0.00  
SINCE JAN 1 20.20 12.87 7.33 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 3 -3 6  
MONTH TO DATE 1 28 -27 42  
SINCE SEP 1 7 74 -67 55  
SINCE JUL 1 54 176 -122 116  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 56 21 35 3  
SINCE SEP 1 104 77 27 117  
SINCE JAN 1 243 187 56 270    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 2:00 AM  
LOWEST 46 1:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 95 1961  
MINIMUM TEMPERATURE (F) 54 44 1960  
 
SUNRISE AND SUNSET  
OCTOBER 14 2023.......SUNRISE 7:17 AM PDT SUNSET 6:34 PM PDT  
OCTOBER 15 2023.......SUNRISE 7:18 AM PDT SUNSET 6:32 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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