096
CDUS44 KMRX 212209
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
509 PM EST SUN DEC 21 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 55 1:54 PM 74 2013 48 7 38
MINIMUM 28 2:29 AM 7 1963 29 -1 25
1996
AVERAGE 42 38 4 32
PRECIPITATION (IN)
TODAY 0.00 1.59 2018 0.11 -0.11 0.01
MONTH TO DATE 1.84 2.64 -0.80 1.86
SINCE DEC 1 1.84 2.64 -0.80 1.86
SINCE JAN 1 44.28 42.85 1.43 41.83
SNOWFALL (IN)
TODAY 0.0 0.0 0.0 T
MONTH TO DATE 0.9 1.0 -0.1 1.1
SINCE DEC 1 0.9 1.0 -0.1 1.1
SINCE JUL 1 1.4 1.3 0.1 1.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 23 27 -4 33
MONTH TO DATE 601 521 80 530
SINCE DEC 1 601 521 80 530
SINCE JUL 1 1411 1374 37 1157
COOLING
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 2.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1:00 AM
LOWEST 10 3:00 PM
AVERAGE 50
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 73 2013
MINIMUM TEMPERATURE (F) 28 1 1989
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 7:38 AM EST SUNSET 5:18 PM EST
DECEMBER 22 2025......SUNRISE 7:38 AM EST SUNSET 5:18 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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