717  
CDUS44 KMRX 202115  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN, TN  
515 PM EDT WED OCT 20 2021  
   
...............................
 
 
   
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 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 73 2:40 PM 85 2016 69 4 78  
MINIMUM 39 7:01 AM 26 1972 43 -4 46  
AVERAGE 56 56 0 62  
 
PRECIPITATION (IN)  
TODAY 0.00 1.25 1944 0.08 -0.08 0.00  
MONTH TO DATE 2.54 1.61 0.93 1.79  
SINCE SEP 1 4.21 4.45 -0.24 6.56  
SINCE JAN 1 35.49 36.16 -0.67 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 0  
 
DEGREE DAYS  
HEATING  
TODAY 9 10 -1 3  
MONTH TO DATE 52 130 -78 130  
SINCE SEP 1 79 166 -87 183  
SINCE JUL 1 79 167 -88 183  
 
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 12 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 7:00 AM  
LOWEST 36 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 84 1979  
MINIMUM TEMPERATURE (F) 42 22 1952  
 
SUNRISE AND SUNSET  
OCTOBER 20 2021.......SUNRISE 7:42 AM EDT SUNSET 6:46 PM EDT  
OCTOBER 21 2021.......SUNRISE 7:43 AM EDT SUNSET 6:45 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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