250
CDUS44 KMRX 200810
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
410 AM EDT SAT SEP 20 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 2025
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)
YESTERDAY
MAXIMUM 86 3:05 PM 92 1954 80 6 87
MINIMUM 54 6:28 AM 41 1984 55 -1 60
AVERAGE 70 68 2 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.12 1953 0.10 -0.10 0.08
MONTH TO DATE 2.22 1.80 0.42 0.99
SINCE SEP 1 2.22 1.80 0.42 0.99
SINCE JAN 1 36.84 33.51 3.33 31.41
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 1 -1 0
MONTH TO DATE 17 7 10 8
SINCE SEP 1 17 7 10 8
SINCE JUL 1 24 8 16 9
COOLING
YESTERDAY 5 4 1 9
MONTH TO DATE 34 112 -78 94
SINCE SEP 1 34 112 -78 94
SINCE JAN 1 1081 1054 27 1222
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 0.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 37 4:00 PM
AVERAGE 69
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THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 91 1955
1965
MINIMUM TEMPERATURE (F) 55 42 1981
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 7:16 AM EDT SUNSET 7:29 PM EDT
SEPTEMBER 21 2025.....SUNRISE 7:17 AM EDT SUNSET 7:27 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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