329  
CDUS44 KMRX 180920  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
420 AM EST MON DEC 18 2023  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 54 11:46 AM 69 2001 49 5 44  
MINIMUM 48 8:15 AM 6 1943 29 19 32  
1989  
AVERAGE 51 39 12 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.11 1961 0.12 -0.06 0.00  
MONTH TO DATE 3.19 2.18 1.01 3.09  
SINCE DEC 1 3.19 2.18 1.01 3.09  
SINCE JAN 1 38.47 42.39 -3.92 41.62  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.8 -0.8 0.0  
SINCE DEC 1 0.0 0.8 -0.8 0.0  
SINCE JUL 1 0.0 1.1 -1.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 26 -12 27  
MONTH TO DATE 368 416 -48 325  
SINCE DEC 1 368 416 -48 325  
SINCE JUL 1 1080 1269 -189 1179  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1077 1104 -27 1294    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 PM  
LOWEST 46 1:00 AM  
AVERAGE 70  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 73 1990  
MINIMUM TEMPERATURE (F) 29 4 1953  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 7:36 AM EST SUNSET 5:16 PM EST  
DECEMBER 19 2023......SUNRISE 7:36 AM EST SUNSET 5:17 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TN Page
The Nexlab VA Page
The Nexlab NC Page Main Text Page