642
CDUS44 KMRX 180955
CLITYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
455 AM EST THU DEC 18 2025
...............................
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 55 1:33 PM 74 1924 51 4 62
MINIMUM 26 7:04 AM 10 1882 33 -7 53
AVERAGE 41 42 -1 58
PRECIPITATION (IN)
YESTERDAY 0.00 2.16 1961 0.16 -0.16 0.01
MONTH TO DATE 1.73 2.90 -1.17 3.63
SINCE DEC 1 1.73 2.90 -1.17 3.63
SINCE JAN 1 46.21 49.83 -3.62 54.01
SNOWFALL (IN)
YESTERDAY 0.0 0.0 0.0 0.0
MONTH TO DATE T 0.2 -0.2 0.7
SINCE DEC 1 T 0.2 -0.2 0.7
SINCE JUL 1 0.1 0.3 -0.2 0.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 24 23 1 7
MONTH TO DATE 455 371 84 387
SINCE DEC 1 455 371 84 387
SINCE JUL 1 1027 1058 -31 821
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1777 1572 205 1814
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 2.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 9:00 AM
LOWEST 34 2:00 PM
AVERAGE 53
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THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 50 73 1924
MINIMUM TEMPERATURE (F) 33 7 1875
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 7:41 AM EST SUNSET 5:25 PM EST
DECEMBER 19 2025......SUNRISE 7:41 AM EST SUNSET 5:25 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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