543  
CDUS46 KMTR 200036  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
536 PM PDT THU SEP 19 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 66 2:29 PM 93 2000 75 -9 73  
MINIMUM 54 5:58 AM 46 1947 56 -2 60  
1954  
AVERAGE 60 65 -5 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.46 1977 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.02 -0.02 T  
SINCE OCT 1 20.23 19.59 0.64 31.42  
SINCE JAN 1 14.90 12.62 2.28 20.17  
 
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 5 2 3 0  
MONTH TO DATE 54 22 32 0  
SINCE SEP 1 54 22 32 0  
SINCE JUL 1 184 124 60 47  
 
COOLING  
TODAY 0 2 -2 2  
MONTH TO DATE 3 38 -35 33  
SINCE SEP 1 3 38 -35 33  
SINCE JAN 1 77 148 -71 172    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.5  
 
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 97 3:00 AM  
LOWEST 70 2:00 PM  
AVERAGE 84  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 1983  
1990  
2015  
MINIMUM TEMPERATURE (F) 56 48 1947  
1954  
1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2024.....SUNRISE 6:55 AM PDT SUNSET 7:10 PM PDT  
SEPTEMBER 20 2024.....SUNRISE 6:56 AM PDT SUNSET 7:08 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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