128  
CDUS46 KMTR 140841  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
141 AM PDT WED AUG 14 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 13 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 69 2:25 PM 89 1991 73 -4 78  
MINIMUM 54 5:39 AM 47 1946 57 -3 58  
AVERAGE 62 65 -3 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.18 1991 0.00 0.00 0.00  
MONTH TO DATE T 0.01 -0.01 0.00  
SINCE OCT 1 20.13 19.54 0.59 31.39  
SINCE JAN 1 14.80 12.57 2.23 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 54 23 31 4  
SINCE JUN 1 217 178 39 123  
SINCE JUL 1 104 81 23 45  
 
COOLING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 0 13 -13 26  
SINCE JUN 1 49 62 -13 49  
SINCE JAN 1 60 82 -22 54    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 12.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 10:00 PM  
LOWEST 53 1:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 99 2020  
MINIMUM TEMPERATURE (F) 57 47 1946  
 
SUNRISE AND SUNSET  
AUGUST 14 2024........SUNRISE 6:25 AM PDT SUNSET 8:02 PM PDT  
AUGUST 15 2024........SUNRISE 6:26 AM PDT SUNSET 8:01 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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