883  
CDUS44 KMRX 152219  
CLITRI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
518 PM EST FRI DEC 15 2017  
 
   
...............................
 
 
   
..THE TRI-CITIES ASOS CLIMATE SUMMARY FOR DECEMBER 15 2017
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1934 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 35 353 PM 75 1971 48 -13 37  
MINIMUM 20 712 AM 5 2010 28 -8 17  
AVERAGE 28 38 -10 27  
 
PRECIPITATION (IN)  
TODAY 0.00 0.82 1972 0.11 -0.11 0.00  
MONTH TO DATE 0.59 1.71 -1.12 2.92  
SINCE DEC 1 0.59 1.71 -1.12 2.92  
SINCE JAN 1 41.94 39.35 2.59 33.44  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 -0.1 0.0  
MONTH TO DATE 1.5 0.9 0.6 T  
SINCE DEC 1 1.5 0.9 0.6 T  
SINCE JUL 1 1.5 1.2 0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 37 27 10 38  
MONTH TO DATE 382 384 -2 400  
SINCE DEC 1 382 384 -2 400  
SINCE JUL 1 1161 1270 -109 1019  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1142 981 161 1492    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 59 400 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE TRI-CITIES ASOS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 72 2015  
MINIMUM TEMPERATURE (F) 27 3 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 15 2017......SUNRISE 734 AM EST SUNSET 515 PM EST  
DECEMBER 16 2017......SUNRISE 735 AM EST SUNSET 516 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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