589  
CDUS46 KMTR 170838  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
138 AM PDT SAT AUG 17 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 16 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 72 3:56 PM 90 2015 73 -1 77  
MINIMUM 51 2:10 PM 48 1952 57 -6 60  
1955  
AVERAGE 62 65 -3 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.04 2020 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 0.00  
SINCE OCT 1 20.13 19.55 0.58 31.39  
SINCE JAN 1 14.80 12.58 2.22 20.14  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 1 2 0  
MONTH TO DATE 65 26 39 4  
SINCE JUN 1 228 181 47 123  
SINCE JUL 1 115 84 31 45  
 
COOLING  
YESTERDAY 0 1 -1 4  
MONTH TO DATE 0 16 -16 37  
SINCE JUN 1 49 65 -16 60  
SINCE JAN 1 60 85 -25 65    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 14.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 48 4:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 82 1988  
1993  
2020  
MINIMUM TEMPERATURE (F) 57 48 1945  
1952  
 
SUNRISE AND SUNSET  
AUGUST 17 2024........SUNRISE 6:28 AM PDT SUNSET 7:59 PM PDT  
AUGUST 18 2024........SUNRISE 6:28 AM PDT SUNSET 7:57 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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