861
CDUS44 KMRX 152202
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
502 PM EST MON DEC 15 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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 35 3:55 PM 75 1971 49 -14 52
MINIMUM 8 7:46 AM 5 2010 29 -21 44
AVERAGE 22 39 -17 48
PRECIPITATION (IN)
TODAY 0.00 0.82 1972 0.13 -0.13 0.17
MONTH TO DATE 1.49 1.94 -0.45 1.39
SINCE DEC 1 1.49 1.94 -0.45 1.39
SINCE JAN 1 43.93 42.15 1.78 41.36
SNOWFALL (IN)
TODAY 0.0 0.0 0.0 0.0
MONTH TO DATE 0.9 0.7 0.2 1.1
SINCE DEC 1 0.9 0.7 0.2 1.1
SINCE JUL 1 1.4 1.0 0.4 1.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 43 26 17 17
MONTH TO DATE 453 364 89 410
SINCE DEC 1 453 364 89 410
SINCE JUL 1 1263 1217 46 1037
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 7 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 0.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 4:00 AM
LOWEST 36 4:00 PM
AVERAGE 56
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 72 2015
MINIMUM TEMPERATURE (F) 29 3 1989
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 7:34 AM EST SUNSET 5:15 PM EST
DECEMBER 16 2025......SUNRISE 7:35 AM EST SUNSET 5:16 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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