077  
CXUS54 KMRX 012042  
CLMTYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
442 PM EDT THU MAY 01 2025  
   
...............................  
 
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART  
VALUE DATE(S) VALUE FROM  
NORMAL    
............................................  
 
TEMPERATURE (F)  
HIGHEST 87 04/04  
LOWEST 34 04/09  
04/13  
AVG. MAXIMUM 74.5 71.2 3.3  
AVG. MINIMUM 52.8 48.0 4.8  
MEAN 63.7 59.6 4.1  
DAYS MAX >= 90 0  
DAYS MAX <= 32 0  
DAYS MIN <= 32 0  
DAYS MIN <= 0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 17.62 1874  
MINIMUM 0.39 1976  
TOTALS 5.41 4.71 0.70  
DAYS >= .01 10  
DAYS >= .10 8  
DAYS >= .50 4  
DAYS >= 1.00 2  
GREATEST  
24 HR. TOTAL 1.81 04/23 TO 04/24  
 
SNOWFALL (INCHES)  
TOTALS 0.0 0.0 0.0  
SINCE 7/1 7.5  
SNOWDEPTH AVG. 0  
DAYS >= TRACE 0  
GREATEST  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING TOTAL 136 198 -62  
SINCE 7/1 3088 3476 -388  
COOLING TOTAL 103 36 67  
SINCE 1/1 109 41 68    
............................................  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 7 RAIN 5  
SNOW 0 FOG 10  
FOG W/VIS <= 1/4 MILE 2  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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