707  
CDUS44 KMRX 120808  
CLICHA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
408 AM EDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR MAY 11 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 80 1:51 PM 91 1962 80 0 85  
1963  
2011  
MINIMUM 65 11:47 PM 40 1954 58 7 60  
AVERAGE 73 69 4 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.16 2019 0.13 -0.13 0.00  
MONTH TO DATE 1.22 1.60 -0.38 0.21  
SINCE MAR 1 11.11 11.81 -0.70 9.65  
SINCE JAN 1 20.84 21.86 -1.02 23.73  
 
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 18 18 5  
SINCE MAR 1 496 542 -46 455  
SINCE JUL 1 2493 3014 -521 2654  
 
COOLING  
YESTERDAY 8 5 3 8  
MONTH TO DATE 45 44 1 68  
SINCE MAR 1 97 104 -7 124  
SINCE JAN 1 111 105 6 129    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 11:00 PM  
LOWEST 54 4:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE CHATTANOOGA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 93 1962  
MINIMUM TEMPERATURE (F) 58 40 1989  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 6:40 AM EDT SUNSET 8:35 PM EDT  
MAY 13 2023...........SUNRISE 6:39 AM EDT SUNSET 8:36 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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