873  
CDUS44 KBMX 202120  
CLIEET  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
420 PM CDT SAT SEP 20 2025  
   
...............................
 
 
   
..THE SHELBY COUNTY AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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 97R 235 PM 96 2010 85 12 93  
MINIMUM 63 553 AM 53 2012 64 -1 68  
AVERAGE 80 75 5 81  
 
PRECIPITATION (IN)  
TODAY 0.00 1.76 2011 0.12 -0.12 0.00  
MONTH TO DATE 0.40 2.39 -1.99 4.03  
SINCE SEP 1 0.40 2.39 -1.99 4.03  
SINCE JAN 1 44.42 42.35 2.07 46.23  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 15 10 5 16  
MONTH TO DATE 269 245 24 267  
SINCE SEP 1 269 245 24 267  
SINCE JAN 1 2077 1980 97 2211    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 0.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 30 200 PM  
AVERAGE 65  
   
......................................................
 
 
THE SHELBY COUNTY AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 95 2016  
MINIMUM TEMPERATURE (F) 64 51 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2025.....SUNRISE 634 AM CDT SUNSET 646 PM CDT  
SEPTEMBER 21 2025.....SUNRISE 635 AM CDT SUNSET 645 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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