796
CDUS44 KMRX 170823
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
423 AM EDT WED SEP 17 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 77 MM 92 1955 81 -4 76
2019
MINIMUM 59 MM 42 1985 57 2 58
2000
2001
AVERAGE 68 69 -1 67
PRECIPITATION (IN)
YESTERDAY 0.00 2.31 1962 0.10 -0.10 0.21
MONTH TO DATE 2.22 1.51 0.71 0.34
SINCE SEP 1 2.22 1.51 0.71 0.34
SINCE JAN 1 36.84 33.22 3.62 30.76
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 4 13 8
SINCE SEP 1 17 4 13 8
SINCE JUL 1 24 5 19 9
COOLING
YESTERDAY 3 5 -2 2
MONTH TO DATE 24 100 -76 76
SINCE SEP 1 24 100 -76 76
SINCE JAN 1 1071 1042 29 1204
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WIND (MPH)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 1.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 58 1:00 PM
AVERAGE 78
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THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 92 1954
MINIMUM TEMPERATURE (F) 56 37 2000
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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