618
CXUS54 KMRX 020850
CLSTRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
350 AM EST TUE DEC 02 2025

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2025 TO 11/30/2025...

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

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH            100   09/07/1954
                       09/06/1954
 LOW               5   11/25/1950
HIGHEST           87   09/20
LOWEST            18   11/29
AVG. MAXIMUM    69.5
AVG. MINIMUM    44.7
MEAN            57.1               57.4    -0.3
DAYS MAX >= 90     0
DAYS MIN <= 32    17

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       14.51   1972
 MINIMUM        2.70   1939
TOTALS          7.82               8.50   -0.68
DAILY AVG.      0.09
DAYS >= .01       31
DAYS >= .10       18
DAYS >= .50        6
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.89   09/21 TO 09/22

SNOWFALL (INCHES)
TOTALS           0.5
SINCE 7/1        0.5
SNOWDEPTH AVG.     0
DAYS >= TRACE      1
DAYS >= 1.0        0
GREATEST
 SNOW DEPTH        1   11/10
                       11/11

DEGREE DAYS
HEATING TOTAL    803                852     -49
COOLING TOTAL    107                162     -55
................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    31/290    DATE  10/19
HIGHEST GUST SPEED/DIRECTION    44/290    DATE  10/19

SKY COVER
AVERAGE SKY COVER           0.54


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN               12     RAIN                      14
LIGHT RAIN               33     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      60     FOG W/VIS <= 1/4 MILE     18
HAZE                      5

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

$$