954
CDUS44 KMRX 172118
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
518 PM EDT WED SEP 17 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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 80 3:35 PM 92 1954 81 -1 75
MINIMUM 53 6:21 AM 37 2000 56 -3 58
AVERAGE 67 68 -1 67
PRECIPITATION (IN)
TODAY 0.00 2.37 2004 0.10 -0.10 0.57
MONTH TO DATE 2.22 1.61 0.61 0.91
SINCE SEP 1 2.22 1.61 0.61 0.91
SINCE JAN 1 36.84 33.32 3.52 31.33
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 1 -1 0
MONTH TO DATE 17 5 12 8
SINCE SEP 1 17 5 12 8
SINCE JUL 1 24 6 18 9
COOLING
TODAY 2 4 -2 2
MONTH TO DATE 26 104 -78 78
SINCE SEP 1 26 104 -78 78
SINCE JAN 1 1073 1046 27 1206
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 2.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 42 3:00 PM
AVERAGE 71
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 93 1954
MINIMUM TEMPERATURE (F) 56 39 1943
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 7:14 AM EDT SUNSET 7:33 PM EDT
SEPTEMBER 18 2025.....SUNRISE 7:15 AM EDT SUNSET 7:32 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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