897
CDUS44 KMRX 212116
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
516 PM EDT SUN SEP 21 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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 83 3:47 PM 93 1955 79 4 87
MINIMUM 55 5:48 AM 39 1938 55 0 58
1956
2006
AVERAGE 69 67 2 73
PRECIPITATION (IN)
TODAY T 1.00 1967 0.09 -0.09 0.00
1974
MONTH TO DATE 2.65 1.98 0.67 0.99
SINCE SEP 1 2.65 1.98 0.67 0.99
SINCE JAN 1 37.27 33.69 3.58 31.41
SNOWFALL (IN)
TODAY 0.0 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 17 10 7 8
SINCE SEP 1 17 10 7 8
SINCE JUL 1 24 11 13 9
COOLING
TODAY 4 4 0 8
MONTH TO DATE 45 120 -75 111
SINCE SEP 1 45 120 -75 111
SINCE JAN 1 1092 1062 30 1239
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 1.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 44 3:00 PM
AVERAGE 72
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 90 2005
2007
2024
MINIMUM TEMPERATURE (F) 54 39 1983
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 7:17 AM EDT SUNSET 7:27 PM EDT
SEPTEMBER 22 2025.....SUNRISE 7:18 AM EDT SUNSET 7:26 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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