049
CDUS44 KMRX 182217
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
517 PM EST THU DEC 18 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 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 57 3:59 PM 73 1990 49 8 59
MINIMUM 28 8:06 AM 4 1953 29 -1 44
AVERAGE 43 39 4 52
PRECIPITATION (IN)
TODAY T 1.27 2009 0.12 -0.12 0.33
MONTH TO DATE 1.49 2.30 -0.81 1.82
SINCE DEC 1 1.49 2.30 -0.81 1.82
SINCE JAN 1 43.93 42.51 1.42 41.79
SNOWFALL (IN)
TODAY 0.0 0.1 -0.1 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 22 26 -4 13
MONTH TO DATE 535 442 93 446
SINCE DEC 1 535 442 93 446
SINCE JUL 1 1345 1295 50 1073
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 12 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 1.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 8:00 AM
LOWEST 50 12:00 PM
AVERAGE 69
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 68 1939
MINIMUM TEMPERATURE (F) 29 4 1963
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 7:36 AM EST SUNSET 5:17 PM EST
DECEMBER 19 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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