790  
CDUS44 KBMX 200812  
CLIEET  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
312 AM CDT THU AUG 20 2026  
   
...............................  
 
   
..THE SHELBY COUNTY AIRPORT CLIMATE SUMMARY FOR AUGUST 19 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1991 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 97 247 PM 102 1999 91 6 94  
MINIMUM 73 550 AM 65 2004 71 2 74  
AVERAGE 85 81 4 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 2018 0.16 -0.16 0.00  
MONTH TO DATE 1.00 3.04 -2.04 3.32  
SINCE JUN 1 9.71 12.55 -2.84 10.17  
SINCE JAN 1 32.53 38.28 -5.75 43.19  
 
DEGREE DAYS  
COOLING  
YESTERDAY 20 16 4 19  
MONTH TO DATE 339 312 27 284  
SINCE JUN 1 1333 1224 109 1241  
SINCE JAN 1 1767 1554 213 1649    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 500 AM  
LOWEST 41 500 PM  
AVERAGE 68  
   
......................................................  
 
THE SHELBY COUNTY AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 100 1999  
MINIMUM TEMPERATURE (F) 71 66 2000  
 
SUNRISE AND SUNSET  
AUGUST 20 2026........SUNRISE 613 AM CDT SUNSET 727 PM CDT  
AUGUST 21 2026........SUNRISE 614 AM CDT SUNSET 726 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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