468
CDUS44 KMRX 300813
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
413 AM EDT TUE SEP 30 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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 2:11 PM 93 2019 76 4 75
MINIMUM 57 7:16 AM 33 1942 51 6 64
AVERAGE 69 64 5 70
PRECIPITATION (IN)
YESTERDAY T 3.21 1944 0.10 -0.10 0.01
MONTH TO DATE 4.15 2.74 1.41 7.66
SINCE SEP 1 4.15 2.74 1.41 7.66
SINCE JAN 1 38.77 34.45 4.32 38.08
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 3 -3 0
MONTH TO DATE 17 30 -13 8
SINCE SEP 1 17 30 -13 8
SINCE JUL 1 24 31 -7 9
COOLING
YESTERDAY 4 2 2 5
MONTH TO DATE 92 141 -49 174
SINCE SEP 1 92 141 -49 174
SINCE JAN 1 1139 1083 56 1302
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 2.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 54 1:00 PM
AVERAGE 77
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THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 90 1941
MINIMUM TEMPERATURE (F) 51 34 1967
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 7:24 AM EDT SUNSET 7:14 PM EDT
OCTOBER 1 2025.......SUNRISE 7:25 AM EDT SUNSET 7:13 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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