671
CDUS44 KMRX 302118
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
518 PM EDT TUE SEP 30 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 78 2:34 PM 90 1941 76 2 77
MINIMUM 62 3:34 AM 34 1967 51 11 61
AVERAGE 70 64 6 69
PRECIPITATION (IN)
TODAY T 1.28 1954 0.10 -0.10 0.00
MONTH TO DATE 4.15 2.84 1.31 7.66
SINCE SEP 1 4.15 2.84 1.31 7.66
SINCE JAN 1 38.77 34.55 4.22 38.08
SNOWFALL (IN)
TODAY 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
TODAY 0 4 -4 0
MONTH TO DATE 17 34 -17 8
SINCE SEP 1 17 34 -17 8
SINCE JUL 1 24 35 -11 9
COOLING
TODAY 5 2 3 4
MONTH TO DATE 97 142 -45 178
SINCE SEP 1 97 142 -45 178
SINCE JAN 1 1144 1084 60 1306
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 60 2:00 PM
AVERAGE 79
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 2019
MINIMUM TEMPERATURE (F) 51 31 1947
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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