962  
CDUS44 KBMX 212118  
CLIEET  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
418 PM CDT THU AUG 21 2025  
   
...............................
 
 
   
..THE SHELBY COUNTY AIRPORT CLIMATE SUMMARY FOR AUGUST 21 2025
 
 
VALID AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1991 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 91 259 PM 99 2007 91 0 90  
MINIMUM 72 534 AM 60 1997 71 1 67  
AVERAGE 82 81 1 79  
 
PRECIPITATION (IN)  
TODAY 0.00 0.52 1995 0.15 -0.15 0.00  
MONTH TO DATE 3.65 3.35 0.30 0.57  
SINCE JUN 1 10.50 12.86 -2.36 16.28  
SINCE JAN 1 43.52 38.59 4.93 41.30  
 
DEGREE DAYS  
COOLING  
TODAY 17 16 1 14  
MONTH TO DATE 320 344 -24 358  
SINCE JUN 1 1277 1256 21 1356  
SINCE JAN 1 1685 1586 99 1782    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 1.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 50 300 PM  
AVERAGE 74  
   
......................................................
 
 
THE SHELBY COUNTY AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 102 2007  
MINIMUM TEMPERATURE (F) 71 56 1997  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 614 AM CDT SUNSET 725 PM CDT  
AUGUST 22 2025........SUNRISE 615 AM CDT SUNSET 724 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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