651  
CDUS46 KMTR 220832  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
132 AM PDT MON JUL 22 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 21 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 64 4:19 PM 83 2006 73 -9 73  
MINIMUM 55 11:59 PM 49 1949 56 -1 56  
1950  
1954  
AVERAGE 60 64 -4 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.09 1979 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 T  
SINCE OCT 1 20.13 19.53 0.60 31.39  
SINCE JAN 1 14.80 12.56 2.24 20.14  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 2 3 0  
MONTH TO DATE 27 42 -15 33  
SINCE JUN 1 140 139 1 111  
SINCE JUL 1 27 42 -15 33  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 34 21 13 18  
SINCE JUN 1 40 44 -4 19  
SINCE JAN 1 51 64 -13 24    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 13.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 72 3:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 97 2006  
MINIMUM TEMPERATURE (F) 56 49 1954  
1968  
1981  
 
SUNRISE AND SUNSET  
JULY 22 2024..........SUNRISE 6:06 AM PDT SUNSET 8:26 PM PDT  
JULY 23 2024..........SUNRISE 6:07 AM PDT SUNSET 8:25 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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