982
CDUS44 KMRX 170930
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
430 AM EST WED DEC 17 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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 48 2:55 PM 72 2015 49 -1 58
MINIMUM 15 7:05 AM 3 1989 29 -14 46
AVERAGE 32 39 -7 52
PRECIPITATION (IN)
YESTERDAY 0.00 1.37 2010 0.12 -0.12 0.07
MONTH TO DATE 1.49 2.06 -0.57 1.46
SINCE DEC 1 1.49 2.06 -0.57 1.46
SINCE JAN 1 43.93 42.27 1.66 41.43
SNOWFALL (IN)
YESTERDAY 0.0 0.1 -0.1 0.0
MONTH TO DATE 0.9 0.8 0.1 1.1
SINCE DEC 1 0.9 0.8 0.1 1.1
SINCE JUL 1 1.4 1.1 0.3 1.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 26 7 13
MONTH TO DATE 486 390 96 423
SINCE DEC 1 486 390 96 423
SINCE JUL 1 1296 1243 53 1050
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 1.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 4:00 AM
LOWEST 18 2:00 PM
AVERAGE 53
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 69 2001
MINIMUM TEMPERATURE (F) 29 6 1943
1989
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 7:36 AM EST SUNSET 5:16 PM EST
DECEMBER 18 2025......SUNRISE 7:36 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page