367  
CDUS44 KMRX 180806  
CLICHA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
406 AM EDT SUN MAY 18 2025  
   
...............................
 
 
   
..THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR MAY 17 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 88 2:53 PM 93 1962 81 7 72  
MINIMUM 65 6:10 AM 42 1956 59 6 66  
1997  
AVERAGE 77 70 7 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.50 1.54 1980 0.13 0.37 0.05  
MONTH TO DATE 8.87 2.37 6.50 4.17  
SINCE MAR 1 19.39 12.58 6.81 12.54  
SINCE JAN 1 27.79 22.63 5.16 22.16  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE MAR 1 T 1.1 -1.1 0.0  
SINCE JUL 1 4.1 3.6 0.5 2.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 23 24 -1 1  
SINCE MAR 1 391 548 -157 344  
SINCE JUL 1 2626 3020 -394 2516  
 
COOLING  
YESTERDAY 12 6 6 4  
MONTH TO DATE 79 78 1 111  
SINCE MAR 1 184 138 46 193  
SINCE JAN 1 186 139 47 194    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 7:00 AM  
LOWEST 30 2:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE CHATTANOOGA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 96 1962  
MINIMUM TEMPERATURE (F) 60 39 1973  
 
SUNRISE AND SUNSET  
MAY 18 2025...........SUNRISE 6:35 AM EDT SUNSET 8:40 PM EDT  
MAY 19 2025...........SUNRISE 6:34 AM EDT SUNSET 8:41 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