Climatological Report (Daily)
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
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CDUS44 KMRX 120807
CLICHA
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
407 AM EDT FRI SEP 12 2025
...................................
...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1879 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 88 2:54 PM 96 1925 86 2 88
2010
MINIMUM 62 6:50 AM 46 1940 65 -3 62
AVERAGE 75 76 -1 75
PRECIPITATION (IN)
YESTERDAY 0.00 1.83 2017 0.15 -0.15 0.00
MONTH TO DATE 0.73 1.43 -0.70 0.02
SINCE SEP 1 0.73 1.43 -0.70 0.02
SINCE JAN 1 46.56 38.56 8.00 28.95
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 MM
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 10 10 0 10
MONTH TO DATE 100 129 -29 130
SINCE SEP 1 100 129 -29 130
SINCE JAN 1 1745 1702 43 2024
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 1.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 42 3:00 PM
AVERAGE 68
..........................................................
THE CHATTANOOGA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 98 2019
MINIMUM TEMPERATURE (F) 65 40 1940
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 7:22 AM EDT SUNSET 7:52 PM EDT
SEPTEMBER 13 2025.....SUNRISE 7:22 AM EDT SUNSET 7:50 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$