541  
CDUS44 KBMX 212125  
CLIEET  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
425 PM CDT MON APR 21 2025  
   
...............................
 
 
   
..THE SHELBY COUNTY AIRPORT CLIMATE SUMMARY FOR APRIL 21 2025
 
 
VALID AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 83 229 PM MM MM 77 6 63  
MINIMUM 61 547 AM MM MM 54 7 47  
AVERAGE 72 65 7 55  
 
PRECIPITATION (IN)  
TODAY 0.00 0.15 -0.15 0.22  
MONTH TO DATE 3.80 3.73 0.07 1.73  
SINCE MAR 1 11.14 9.13 2.01 6.67  
SINCE JAN 1 18.97 20.24 -1.27 21.83  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.0 MM MM 0.0  
SINCE JUL 1 2.0 MM MM 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 10  
MONTH TO DATE 74 87 -13 83  
SINCE MAR 1 285 359 -74 291  
SINCE JUL 1 2079 2345 -266 2202  
 
COOLING  
TODAY 7 3 4 0  
MONTH TO DATE 81 43 38 50  
SINCE MAR 1 111 65 46 59  
SINCE JAN 1 123 72 51 64    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 54 100 PM  
AVERAGE 74  
   
......................................................
 
 
THE SHELBY COUNTY AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 MM MM  
MINIMUM TEMPERATURE (F) 54 MM MM  
 
SUNRISE AND SUNSET  
APRIL 21 2025.........SUNRISE 610 AM CDT SUNSET 722 PM CDT  
APRIL 22 2025.........SUNRISE 609 AM CDT SUNSET 723 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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