663
CXUS54 KMRX 011215
CLMTYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
815 AM EDT THU OCT 01 2026
...............................
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
............................................
TEMPERATURE (F)
HIGHEST 98 09/04
LOWEST 50 09/27
AVG. MAXIMUM 88.8 82.5 6.3
AVG. MINIMUM 66.4 61.1 5.3
MEAN 77.6 71.8 5.8
DAYS MAX >= 90 17
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.19 1989
MINIMUM 0.03 2019
TOTALS 1.99 3.49 -1.50
DAYS >= .01 7
DAYS >= .10 4
DAYS >= .50 1
DAYS >= 1.00 1
GREATEST
24 HR. TOTAL 1.18 09/23 TO 09/23
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 0.0
SNOWDEPTH AVG. 0
DAYS >= TRACE 0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
HEATING TOTAL 1 17 -16
SINCE 7/1 1 14 -13
COOLING TOTAL 387 220 167
SINCE 1/1 1979 1527 452
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WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 RAIN 4
SNOW 0 FOG 16
FOG W/VIS <= 1/4 MILE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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