844  
CDUS46 KMTR 180845  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
145 AM PDT FRI OCT 18 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 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 66 9:44 PM 91 2020 72 -6 77  
MINIMUM 55 6:28 AM 42 1971 53 2 59  
AVERAGE 61 63 -2 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.18 2004 0.03 -0.03 0.00  
MONTH TO DATE T 0.30 -0.30 T  
SINCE OCT 1 T 0.30 -0.30 T  
SINCE JAN 1 14.90 12.97 1.93 20.20  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 3 1 0  
MONTH TO DATE 29 40 -11 1  
SINCE SEP 1 103 86 17 7  
SINCE JUL 1 233 188 45 54  
 
COOLING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 84 25 59 65  
SINCE SEP 1 108 81 27 113  
SINCE JAN 1 182 191 -9 252    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 17.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 34 9:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 86 2012  
2023  
MINIMUM TEMPERATURE (F) 53 42 1946  
 
SUNRISE AND SUNSET  
OCTOBER 18 2024.......SUNRISE 7:21 AM PDT SUNSET 6:27 PM PDT  
OCTOBER 19 2024.......SUNRISE 7:22 AM PDT SUNSET 6:26 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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