099  
CDUS44 KMRX 192119  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
519 PM EDT MON MAY 19 2025  
   
...............................  
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR MAY 19 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 77 3:37 PM 91 1962 78 -1 84  
MINIMUM 53 3:41 AM 35 2002 53 0 59  
AVERAGE 65 65 0 72  
 
PRECIPITATION (IN)  
TODAY 0.00 1.76 2018 0.13 -0.13 0.00  
MONTH TO DATE 2.10 2.31 -0.21 3.02  
SINCE MAR 1 7.85 10.06 -2.21 9.35  
SINCE JAN 1 14.48 17.52 -3.04 17.29  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 2 -2 0  
MONTH TO DATE 50 72 -22 25  
SINCE MAR 1 723 890 -167 648  
SINCE JUL 1 3769 4123 -354 3535  
 
COOLING  
TODAY 0 3 -3 7  
MONTH TO DATE 41 36 5 49  
SINCE MAR 1 100 50 50 73  
SINCE JAN 1 100 50 50 73    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 3:00 AM  
LOWEST 52 11:00 AM  
AVERAGE 74  
   
......................................................  
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 91 2022  
MINIMUM TEMPERATURE (F) 53 32 2002  
 
SUNRISE AND SUNSET  
MAY 19 2025...........SUNRISE 6:20 AM EDT SUNSET 8:33 PM EDT  
MAY 20 2025...........SUNRISE 6:19 AM EDT SUNSET 8:34 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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