260
CXUS54 KMRX 021348
CLMTYS

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
948 AM EDT THU OCT 02 2025

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

...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           89   09/21
LOWEST            54   09/10
AVG. MAXIMUM    82.3               82.5    -0.2
AVG. MINIMUM    61.7               61.1     0.6
MEAN            72.0               71.8     0.2
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.19   1989
 MINIMUM        0.03   2019
TOTALS          2.92               3.49   -0.57
DAYS >= .01        8
DAYS >= .10        6
DAYS >= .50        1
DAYS >= 1.00       1
GREATEST
 24 HR. TOTAL   1.42   09/03 TO 09/04

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      0                 17     -17
 SINCE 7/1         0                 14     -14
COOLING TOTAL    217                220      -3
 SINCE 1/1      1729               1527     202
................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     RAIN                       4
SNOW                      0     FOG                       18
FOG W/VIS <= 1/4 MILE     6

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$