520  
CDUS44 KMRX 200817  
CLICHA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
417 AM EDT WED AUG 20 2025  
   
...............................  
 
   
..THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR AUGUST 19 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1879 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 95 2:36 PM 103 1936 90 5 89  
MINIMUM 74 6:22 AM 61 1943 70 4 70  
1992  
AVERAGE 85 80 5 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.48 1915 0.11 -0.11 0.00  
MONTH TO DATE 7.22 2.32 4.90 0.13  
SINCE JUN 1 14.06 11.58 2.48 5.07  
SINCE JAN 1 45.00 35.78 9.22 28.90  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 1 -1 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 20 15 5 15  
MONTH TO DATE 270 298 -28 335  
SINCE JUN 1 1252 1160 92 1369  
SINCE JAN 1 1520 1406 114 1708    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 6:00 AM  
LOWEST 47 4:00 PM  
AVERAGE 71  
   
......................................................  
 
THE CHATTANOOGA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 102 1983  
MINIMUM TEMPERATURE (F) 70 56 1940  
1976  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 7:05 AM EDT SUNSET 8:23 PM EDT  
AUGUST 21 2025........SUNRISE 7:06 AM EDT SUNSET 8:22 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab TN Page
The Nexlab VA Page
The Nexlab NC Page
Main Text Page