477  
CDUS44 KMRX 190915  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
415 AM EST TUE JAN 19 2021  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR JANUARY 18 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1937 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 2:29 PM 71 1949 45 -6 52  
MINIMUM 25 11:58 PM -3 1994 25 0 43  
AVERAGE 32 35 -3 48  
 
PRECIPITATION (IN)  
YESTERDAY T 0.68 1987 0.10 -0.10 0.52  
MONTH TO DATE 1.25 1.92 -0.67 3.63  
SINCE DEC 1 4.77 5.29 -0.52 6.87  
SINCE JAN 1 1.25 1.92 -0.67 3.63  
 
SNOWFALL (IN)  
YESTERDAY T 0.2 -0.2 0.0  
MONTH TO DATE 1.8 2.7 -0.9 T  
SINCE DEC 1 6.4 5.1 1.3 0.9  
SINCE JUL 1 6.4 5.4 1.0 2.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 30 3 17  
MONTH TO DATE 486 540 -54 333  
SINCE DEC 1 1334 1383 -49 994  
SINCE JUL 1 1992 2269 -277 1797  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE DEC 1 0 0 0 2  
SINCE JAN 1 0 0 0 2    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 5:00 AM  
LOWEST 56 4:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 66 1951  
MINIMUM TEMPERATURE (F) 25 -8 1994  
 
SUNRISE AND SUNSET  
JANUARY 19 2021.......SUNRISE 7:39 AM EST SUNSET 5:42 PM EST  
JANUARY 20 2021.......SUNRISE 7:39 AM EST SUNSET 5:43 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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