700
CDUS44 KMRX 110812
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
412 AM EDT THU SEP 11 2025
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 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 4:29 PM 96 2019 83 -6 86
MINIMUM 47 6:31 AM 42 1998 59 -12 46
AVERAGE 62 70 -8 66
PRECIPITATION (IN)
YESTERDAY 0.00 1.69 1946 0.09 -0.09 0.00
MONTH TO DATE 2.22 0.92 1.30 0.02
SINCE SEP 1 2.22 0.92 1.30 0.02
SINCE JAN 1 36.84 32.63 4.21 30.44
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 3 0 3 0
MONTH TO DATE 17 0 17 8
SINCE SEP 1 17 0 17 8
SINCE JUL 1 24 1 23 9
COOLING
YESTERDAY 0 6 -6 1
MONTH TO DATE 11 69 -58 43
SINCE SEP 1 11 69 -58 43
SINCE JAN 1 1058 1011 47 1171
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 1.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 45 3:00 PM
AVERAGE 73
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 93 2019
MINIMUM TEMPERATURE (F) 58 42 1969
1993
SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE 7:09 AM EDT SUNSET 7:42 PM EDT
SEPTEMBER 12 2025.....SUNRISE 7:10 AM EDT SUNSET 7:41 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page