181
CXUS54 KMRX 021348
CLMTRI

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

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1937 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           87   09/20
LOWEST            45   09/08
AVG. MAXIMUM    79.2               80.7    -1.5
AVG. MINIMUM    55.6               56.4    -0.8
MEAN            67.4               68.6    -1.2
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.66   2024
 MINIMUM        0.50   1985
TOTALS          4.15               2.84    1.31
DAYS >= .01       11
DAYS >= .10        8
DAYS >= .50        4
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.89   09/21 TO 09/22

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     17                 36     -19
 SINCE 7/1        24                 35     -11
COOLING TOTAL     97                142     -45
 SINCE 1/1      1144               1084      60
................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     RAIN                       4
SNOW                      0     FOG                       27
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.

$$