054  
CDUS46 KMTR 240030  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
530 PM PDT MON OCT 23 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 23 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 72 12:48 PM 90 1959 71 1 67  
MINIMUM 61 7:05 AM 40 1949 53 8 51  
1961  
AVERAGE 67 62 5 59  
 
PRECIPITATION (IN)  
TODAY 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)  
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 6  
MONTH TO DATE 1 62 -61 75  
SINCE SEP 1 7 108 -101 88  
SINCE JUL 1 54 210 -156 149  
 
COOLING  
TODAY 2 1 1 0  
MONTH TO DATE 87 31 56 13  
SINCE SEP 1 135 87 48 127  
SINCE JAN 1 274 197 77 280    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 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 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 61 1:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 91 2017  
MINIMUM TEMPERATURE (F) 52 41 1956  
 
SUNRISE AND SUNSET  
OCTOBER 23 2023.......SUNRISE 7:25 AM PDT SUNSET 6:22 PM PDT  
OCTOBER 24 2023.......SUNRISE 7:26 AM PDT SUNSET 6:20 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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