075  
CXUS54 KMRX 012256  
CLSTRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
556 PM EST SAT MAR 01 2025  
   
...............................  
 
...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM  
12/1/2024 TO 2/28/2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART  
VALUE DATE(S) VALUE FROM  
NORMAL    
............................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 82 02/21/2018  
LOW -21 01/21/1985  
HIGHEST 73 02/06  
02/08  
LOWEST 4 01/22  
AVG. MAXIMUM 48.6  
AVG. MINIMUM 27.4  
MEAN 38.0 38.6 -0.6  
DAYS MAX >= 90 0  
DAYS MIN <= 32 61  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 20.01 2019  
MINIMUM 4.54 1941  
TOTALS 9.65 11.22 -1.57  
DAILY AVG. 0.11  
DAYS >= .01 38  
DAYS >= .10 22  
DAYS >= .50 9  
DAYS >= 1.00 1  
GREATEST  
24 HR. TOTAL 1.06 02/11 TO 02/12  
 
SNOWFALL (INCHES)  
TOTALS 7.5  
SINCE 7/1 7.9  
SNOWDEPTH AVG. 0  
DAYS >= TRACE 23  
DAYS >= 1.0 4  
GREATEST  
SNOW DEPTH 2 01/11  
02/20  
 
DEGREE DAYS  
HEATING TOTAL 2419 2380 39  
COOLING TOTAL 0 0 0    
............................................  
 
WIND (MPH)  
HIGHEST WIND SPEED/DIRECTION 39/240 DATE 12/31  
HIGHEST GUST SPEED/DIRECTION 57/240 DATE 12/31  
 
SKY COVER  
AVERAGE SKY COVER 0.62  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 2 MIXED PRECIP 0  
HEAVY RAIN 7 RAIN 13  
LIGHT RAIN 34 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 3  
LIGHT SNOW 23 SLEET 3  
FOG 42 FOG W/VIS <= 1/4 MILE 5  
HAZE 9  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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