851  
CDUS46 KMTR 200826  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT SUN OCT 20 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 19 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 4:02 PM 88 2023 72 7 88  
MINIMUM 54 6:42 AM 43 1949 53 1 61  
AVERAGE 67 63 4 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.65 2004 0.02 -0.02 0.00  
MONTH TO DATE T 0.35 -0.35 T  
SINCE OCT 1 T 0.35 -0.35 T  
SINCE JAN 1 14.90 13.02 1.88 20.20  
 
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 0  
MONTH TO DATE 29 46 -17 1  
SINCE SEP 1 103 92 11 7  
SINCE JUL 1 233 194 39 54  
 
COOLING  
YESTERDAY 2 1 1 10  
MONTH TO DATE 86 27 59 82  
SINCE SEP 1 110 83 27 130  
SINCE JAN 1 184 193 -9 269    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 6:00 AM  
LOWEST 17 4:00 PM  
AVERAGE 37  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 89 1991  
MINIMUM TEMPERATURE (F) 53 37 1949  
 
SUNRISE AND SUNSET  
OCTOBER 20 2024.......SUNRISE 7:23 AM PDT SUNSET 6:25 PM PDT  
OCTOBER 21 2024.......SUNRISE 7:24 AM PDT SUNSET 6:23 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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