194
CDUS44 KMRX 140817
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
317 AM EST SUN DEC 14 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1937 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 55 3:25 PM 72 2015 50 5 48
MINIMUM 24 6:55 AM -9 1962 30 -6 21
AVERAGE 40 40 0 35
PRECIPITATION (IN)
YESTERDAY T 1.18 1998 0.13 -0.13 0.00
MONTH TO DATE 1.28 1.68 -0.40 1.22
SINCE DEC 1 1.28 1.68 -0.40 1.22
SINCE JAN 1 43.72 41.89 1.83 41.19
SNOWFALL (IN)
YESTERDAY 0.0 0.0 0.0 0.0
MONTH TO DATE 0.5 0.6 -0.1 1.1
SINCE DEC 1 0.5 0.6 -0.1 1.1
SINCE JUL 1 1.0 0.9 0.1 1.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 25 25 0 30
MONTH TO DATE 372 313 59 370
SINCE DEC 1 372 313 59 370
SINCE JUL 1 1182 1166 16 997
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1154 1104 50 1348
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 2.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 53 3:00 PM
AVERAGE 77
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THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 50 71 2015
MINIMUM TEMPERATURE (F) 30 9 1942
SUNRISE AND SUNSET
DECEMBER 14 2025......SUNRISE 7:34 AM EST SUNSET 5:15 PM EST
DECEMBER 15 2025......SUNRISE 7:34 AM EST SUNSET 5:15 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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