686  
CDUS44 KBMX 210757  
CLIEET  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
257 AM CDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE SHELBY COUNTY AIRPORT CLIMATE SUMMARY FOR MAY 20 2023
 
 
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)  
YESTERDAY  
MAXIMUM 83 302 PM MM MM 84 -1 91  
MINIMUM 63 307 AM MM MM 62 1 74  
AVERAGE 73 73 0 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.18 0.14 0.04 0.00  
MONTH TO DATE 0.91 2.52 -1.61 0.25  
SINCE MAR 1 11.18 12.99 -1.81 14.88  
SINCE JAN 1 26.70 24.10 2.60 26.72  
 
DEGREE DAYS  
COOLING  
YESTERDAY 8 8 0 18  
MONTH TO DATE 146 122 24 212  
SINCE MAR 1 244 218 26 307  
SINCE JAN 1 287 225 62 327    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 PM  
LOWEST 67 300 PM  
AVERAGE 82  
   
......................................................
 
 
THE SHELBY COUNTY AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 MM MM  
MINIMUM TEMPERATURE (F) 63 MM MM  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 544 AM CDT SUNSET 744 PM CDT  
MAY 22 2023...........SUNRISE 543 AM CDT SUNSET 745 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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