465  
CDUS46 KMTR 240845  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
145 AM PDT TUE OCT 24 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 23 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 72 12:48 PM 90 1959 71 1 67  
MINIMUM 60 11:59 PM 40 1949 53 7 51  
1961  
AVERAGE 66 62 4 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.16 1989 0.03 -0.03 0.00  
MONTH TO DATE T 0.47 -0.47 0.01  
SINCE OCT 1 T 0.47 -0.47 0.01  
SINCE JAN 1 20.20 13.14 7.06 2.18  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 6  
MONTH TO DATE 1 62 -61 75  
SINCE SEP 1 7 108 -101 88  
SINCE JUL 1 54 210 -156 149  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 86 31 55 13  
SINCE SEP 1 134 87 47 127  
SINCE JAN 1 273 197 76 280    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 61 1:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 91 2017  
MINIMUM TEMPERATURE (F) 52 41 1956  
 
SUNRISE AND SUNSET  
OCTOBER 24 2023.......SUNRISE 7:26 AM PDT SUNSET 6:20 PM PDT  
OCTOBER 25 2023.......SUNRISE 7:27 AM PDT SUNSET 6:19 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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