298  
CDUS44 KMRX 220843  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
443 AM EDT THU MAY 22 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR MAY 21 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 1:57 PM 93 1941 78 1 86  
MINIMUM 63 11:59 PM 37 2002 54 9 58  
AVERAGE 71 66 5 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 1.10 1947 0.13 -0.03 0.00  
MONTH TO DATE 3.20 2.56 0.64 3.02  
SINCE MAR 1 8.95 10.31 -1.36 9.35  
SINCE JAN 1 15.58 17.77 -2.19 17.29  
 
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 T 1.2 -1.2 0.0  
SINCE JUL 1 7.9 9.2 -1.3 3.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 50 76 -26 25  
SINCE MAR 1 723 894 -171 648  
SINCE JUL 1 3769 4127 -358 3535  
 
COOLING  
YESTERDAY 6 3 3 7  
MONTH TO DATE 53 42 11 62  
SINCE MAR 1 112 56 56 86  
SINCE JAN 1 112 56 56 86    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 37 5:00 PM  
AVERAGE 69  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 94 1941  
MINIMUM TEMPERATURE (F) 54 31 2002  
 
SUNRISE AND SUNSET  
MAY 22 2025...........SUNRISE 6:18 AM EDT SUNSET 8:35 PM EDT  
MAY 23 2025...........SUNRISE 6:17 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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