808  
CDUS46 KMTR 260830  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT THU SEP 26 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 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 70 2:47 PM 96 2019 75 -5 77  
MINIMUM 56 12:54 AM 47 1948 56 0 59  
1972  
AVERAGE 63 65 -2 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.41 2014 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.04 -0.04 T  
SINCE OCT 1 20.23 19.61 0.62 31.42  
SINCE JAN 1 14.90 12.64 2.26 20.17  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 2 0 0  
MONTH TO DATE 65 34 31 4  
SINCE SEP 1 65 34 31 4  
SINCE JUL 1 195 136 59 51  
 
COOLING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 12 50 -38 38  
SINCE SEP 1 12 50 -38 38  
SINCE JAN 1 86 160 -74 177    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 59 2:00 PM  
AVERAGE 76  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1958  
MINIMUM TEMPERATURE (F) 56 46 1948  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2024.....SUNRISE 7:01 AM PDT SUNSET 6:59 PM PDT  
SEPTEMBER 27 2024.....SUNRISE 7:02 AM PDT SUNSET 6:58 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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