017
CDUS44 KMRX 130807
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
407 AM EDT SAT SEP 13 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 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 80 4:40 PM 94 2019 82 -2 78
MINIMUM 49 5:04 AM 42 1940 58 -9 57
1993
AVERAGE 65 70 -5 68
PRECIPITATION (IN)
YESTERDAY 0.00 1.10 1950 0.10 -0.10 T
MONTH TO DATE 2.22 1.11 1.11 0.02
SINCE SEP 1 2.22 1.11 1.11 0.02
SINCE JAN 1 36.84 32.82 4.02 30.44
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 0 0 0
MONTH TO DATE 17 0 17 8
SINCE SEP 1 17 0 17 8
SINCE JUL 1 24 1 23 9
COOLING
YESTERDAY 0 5 -5 3
MONTH TO DATE 11 80 -69 50
SINCE SEP 1 11 80 -69 50
SINCE JAN 1 1058 1022 36 1178
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 1.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 36 3:00 PM
AVERAGE 68
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THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 96 2019
MINIMUM TEMPERATURE (F) 58 38 1940
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 7:11 AM EDT SUNSET 7:39 PM EDT
SEPTEMBER 14 2025.....SUNRISE 7:11 AM EDT SUNSET 7:38 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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