145
CDUS44 KMRX 180840
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
440 AM EDT FRI SEP 18 2026
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1937 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 94R MM 92 1954 81 13 80
MINIMUM 63 MM 37 2000 56 7 53
AVERAGE 79 68 11 67
PRECIPITATION (IN)
YESTERDAY 0.00 2.37 2004 0.10 -0.10 0.00
MONTH TO DATE 0.40 1.61 -1.21 2.22
SINCE SEP 1 0.40 1.61 -1.21 2.22
SINCE JAN 1 29.91 33.32 -3.41 36.84
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 0 5 -5 17
SINCE SEP 1 0 5 -5 17
SINCE JUL 1 0 6 -6 24
COOLING
YESTERDAY 14 4 10 2
MONTH TO DATE 206 104 102 26
SINCE SEP 1 206 104 102 26
SINCE JAN 1 1330 1046 284 1073
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WIND (MPH)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 0.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 42 3:00 PM
AVERAGE 71
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THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 93 1954
MINIMUM TEMPERATURE (F) 56 39 1943
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 7:14 AM EDT SUNSET 7:32 PM EDT
SEPTEMBER 19 2026.....SUNRISE 7:15 AM EDT SUNSET 7:31 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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