595  
CDUS44 KMRX 210819  
CLICHA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
419 AM EDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR MAY 20 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1879 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 4:36 PM 97 1962 82 -11 90  
MINIMUM 65 12:21 AM 40 1894 60 5 69  
AVERAGE 68 71 -3 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.54 1.19 1923 0.10 0.44 0.00  
MONTH TO DATE 2.12 2.70 -0.58 0.53  
SINCE MAR 1 12.01 12.91 -0.90 9.97  
SINCE JAN 1 21.74 22.96 -1.22 24.05  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.0 1.1 -1.1 1.0  
SINCE JUL 1 0.1 3.6 -3.5 1.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 36 27 9 5  
SINCE MAR 1 496 551 -55 455  
SINCE JUL 1 2493 3023 -530 2654  
 
COOLING  
YESTERDAY 3 7 -4 15  
MONTH TO DATE 116 97 19 161  
SINCE MAR 1 168 157 11 217  
SINCE JAN 1 182 158 24 222    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 PM  
LOWEST 73 9:00 AM  
AVERAGE 85  
   
......................................................
 
 
THE CHATTANOOGA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 95 1941  
1962  
MINIMUM TEMPERATURE (F) 61 40 1954  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 6:33 AM EDT SUNSET 8:42 PM EDT  
MAY 22 2023...........SUNRISE 6:33 AM EDT SUNSET 8:43 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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