661
CXUS54 KMRX 011215
CLMTRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
815 AM EDT THU OCT 01 2026

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1937 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           97   09/04
LOWEST            45   09/28
AVG. MAXIMUM    86.3               80.7     5.6
AVG. MINIMUM    60.3               56.4     3.9
MEAN            73.3               68.6     4.7
DAYS MAX >= 90    12
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.66   2024
 MINIMUM        0.50   1985
TOTALS          1.71               2.84   -1.13
DAYS >= .01        7
DAYS >= .10        6
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.80   09/23 TO 09/24

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     16                 36     -20
 SINCE 7/1        16                 35     -19
COOLING TOTAL    272                142     130
 SINCE 1/1      1396               1084     312
................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     RAIN                       2
SNOW                      0     FOG                       25
FOG W/VIS <= 1/4 MILE     9

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

$$