259  
CDUS46 KMTR 280826  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT SUN APR 28 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 27 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 65 12:25 PM 87 2004 67 -2 83  
MINIMUM 51 5:31 AM 36 1955 50 1 50  
AVERAGE 58 58 0 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.89 1953 0.03 -0.03 0.00  
MONTH TO DATE 0.77 1.30 -0.53 0.10  
SINCE OCT 1 19.18 18.85 0.33 30.66  
SINCE JAN 1 13.85 11.88 1.97 19.41  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 7 0 0  
MONTH TO DATE 191 213 -22 233  
SINCE MAR 1 468 509 -41 624  
SINCE JUL 1 1609 2188 -579 2332  
 
COOLING  
YESTERDAY 0 0 0 2  
MONTH TO DATE 0 0 0 2  
SINCE MAR 1 1 1 0 2  
SINCE JAN 1 1 1 0 2    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 16.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 4:00 AM  
LOWEST 56 1:00 PM  
AVERAGE 71  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 89 1981  
MINIMUM TEMPERATURE (F) 50 39 1967  
 
SUNRISE AND SUNSET  
APRIL 28 2024.........SUNRISE 6:17 AM PDT SUNSET 7:58 PM PDT  
APRIL 29 2024.........SUNRISE 6:16 AM PDT SUNSET 7:58 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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