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
................................................


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.

$$