420  
CDUS46 KMTR 100045  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
545 PM PDT MON SEP 09 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 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 69 2:17 PM 92 1951 75 -6 74  
MINIMUM 53 6:32 AM 46 1946 56 -3 57  
AVERAGE 61 66 -5 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.26 1978 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 T  
SINCE OCT 1 20.23 19.58 0.65 31.42  
SINCE JAN 1 14.90 12.61 2.29 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 4 1 3 0  
MONTH TO DATE 17 11 6 0  
SINCE SEP 1 17 11 6 0  
SINCE JUL 1 147 113 34 47  
 
COOLING  
TODAY 0 2 -2 1  
MONTH TO DATE 3 18 -15 15  
SINCE SEP 1 3 18 -15 15  
SINCE JAN 1 77 128 -51 154    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 66 3:00 PM  
AVERAGE 83  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1979  
MINIMUM TEMPERATURE (F) 56 49 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2024.....SUNRISE 6:47 AM PDT SUNSET 7:25 PM PDT  
SEPTEMBER 10 2024.....SUNRISE 6:48 AM PDT SUNSET 7:24 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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