547  
CDUS44 KMRX 172137  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
537 PM EDT SUN OCT 17 2021  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1937 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 3:59 PM 84 2007 70 -7 62  
MINIMUM 44 12:28 AM 27 1943 44 0 35  
AVERAGE 54 57 -3 49  
 
PRECIPITATION (IN)  
TODAY 0.00 0.93 1948 0.08 -0.08 0.00  
MONTH TO DATE 2.54 1.37 1.17 1.79  
SINCE SEP 1 4.21 4.21 0.00 6.56  
SINCE JAN 1 35.49 35.92 -0.43 49.97  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 11 8 3 16  
MONTH TO DATE 19 102 -83 109  
SINCE SEP 1 46 138 -92 162  
SINCE JUL 1 46 139 -93 162  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 69 17 52 7  
SINCE SEP 1 216 159 57 167  
SINCE JAN 1 1329 1101 228 1210    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 12:00 AM  
LOWEST 30 4:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 85 1938  
MINIMUM TEMPERATURE (F) 43 25 1943  
 
SUNRISE AND SUNSET  
OCTOBER 17 2021.......SUNRISE 7:39 AM EDT SUNSET 6:50 PM EDT  
OCTOBER 18 2021.......SUNRISE 7:40 AM EDT SUNSET 6:49 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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