128
CDUS44 KMRX 092220
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
520 PM EST TUE DEC 09 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 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 45 3:59 PM 73 1966 51 -6 55
MINIMUM 30 8:06 AM 8 2006 30 0 47
AVERAGE 38 40 -2 51
PRECIPITATION (IN)
TODAY 0.00 1.72 1978 0.14 -0.14 0.63
MONTH TO DATE 1.11 1.15 -0.04 0.67
SINCE DEC 1 1.11 1.15 -0.04 0.67
SINCE JAN 1 43.55 41.36 2.19 40.64
SNOWFALL (IN)
TODAY 0.0 0.1 -0.1 0.0
MONTH TO DATE T 0.4 -0.4 1.1
SINCE DEC 1 T 0.4 -0.4 1.1
SINCE JUL 1 0.5 0.7 -0.2 1.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 27 24 3 14
MONTH TO DATE 259 213 46 282
SINCE DEC 1 259 213 46 282
SINCE JUL 1 1069 1066 3 909
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 13 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 2.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 7:00 AM
LOWEST 43 4:00 PM
AVERAGE 68
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 51 76 1971
MINIMUM TEMPERATURE (F) 30 6 1937
SUNRISE AND SUNSET
DECEMBER 9 2025......SUNRISE 7:30 AM EST SUNSET 5:14 PM EST
DECEMBER 10 2025......SUNRISE 7:31 AM EST SUNSET 5:14 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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