210
CDUS44 KMRX 150844
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
444 AM EDT MON SEP 15 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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 82 3:23 PM 97 1998 81 1 83
MINIMUM 55 5:58 AM 41 1985 57 -2 62
AVERAGE 69 69 0 73
PRECIPITATION (IN)
YESTERDAY 0.00 3.15 1982 0.10 -0.10 T
MONTH TO DATE 2.22 1.31 0.91 0.13
SINCE SEP 1 2.22 1.31 0.91 0.13
SINCE JAN 1 36.84 33.02 3.82 30.55
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 2 15 8
SINCE SEP 1 17 2 15 8
SINCE JUL 1 24 3 21 9
COOLING
YESTERDAY 4 5 -1 8
MONTH TO DATE 17 90 -73 67
SINCE SEP 1 17 90 -73 67
SINCE JAN 1 1064 1032 32 1195
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WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 1.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 45 3:00 PM
AVERAGE 73
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THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 92 2016
MINIMUM TEMPERATURE (F) 57 40 1985
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 7:12 AM EDT SUNSET 7:36 PM EDT
SEPTEMBER 16 2025.....SUNRISE 7:13 AM EDT SUNSET 7:35 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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