800
CDUS44 KMRX 192229
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
529 PM EST FRI DEC 19 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 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 63 12:46 AM 68 1939 49 14 44
MINIMUM 40 10:12 AM 4 1963 29 11 37
AVERAGE 52 39 13 41
PRECIPITATION (IN)
TODAY 0.35 0.79 1967 0.11 0.24 0.00
MONTH TO DATE 1.84 2.41 -0.57 1.82
SINCE DEC 1 1.84 2.41 -0.57 1.82
SINCE JAN 1 44.28 42.62 1.66 41.79
SNOWFALL (IN)
TODAY 0.0 0.0 0.0 0.0
MONTH TO DATE 0.9 0.9 -0.0 1.1
SINCE DEC 1 0.9 0.9 -0.0 1.1
SINCE JUL 1 1.4 1.2 0.2 1.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 13 26 -13 24
MONTH TO DATE 546 468 78 470
SINCE DEC 1 546 468 78 470
SINCE JUL 1 1356 1321 35 1097
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 31 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 16.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 35 4:00 PM
AVERAGE 64
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 66 1978
1987
MINIMUM TEMPERATURE (F) 29 5 2004
SUNRISE AND SUNSET
DECEMBER 19 2025......SUNRISE 7:37 AM EST SUNSET 5:17 PM EST
DECEMBER 20 2025......SUNRISE 7:37 AM EST SUNSET 5:17 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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