437  
CDUS46 KMTR 230029  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
529 PM PDT SUN OCT 22 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 22 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 70 12:21 PM 87 2019 71 -1 66  
MINIMUM 62 1:25 AM 42 1949 53 9 55  
AVERAGE 66 62 4 61  
 
PRECIPITATION (IN)  
TODAY T 0.91 1973 0.03 -0.03 0.01  
MONTH TO DATE T 0.44 -0.44 0.01  
SINCE OCT 1 T 0.44 -0.44 0.01  
SINCE JAN 1 20.20 13.11 7.09 2.18  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 4  
MONTH TO DATE 1 58 -57 69  
SINCE SEP 1 7 104 -97 82  
SINCE JUL 1 54 206 -152 143  
 
COOLING  
TODAY 1 1 0 0  
MONTH TO DATE 85 30 55 13  
SINCE SEP 1 133 86 47 127  
SINCE JAN 1 272 196 76 280    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 11:00 AM  
LOWEST 65 12:00 AM  
AVERAGE 76  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 1959  
MINIMUM TEMPERATURE (F) 53 40 1949  
1961  
 
SUNRISE AND SUNSET  
OCTOBER 22 2023.......SUNRISE 7:24 AM PDT SUNSET 6:23 PM PDT  
OCTOBER 23 2023.......SUNRISE 7:25 AM PDT SUNSET 6:22 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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