Climatological Report (Annual)
Issued by NWS Knoxville/Tri Cities, TN

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881
CXUS54 KMRX 012253
CLATRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
553 PM EST THU JAN 01 2026

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2025...

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

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            103   06/30/2012
 LOW             -21   01/21/1985
HIGHEST           94   06/24         67      27
LOWEST             4   01/22         45     -41
AVG. MAXIMUM    68.6
AVG. MINIMUM    45.1
MEAN            56.9               56.6     0.3
DAYS MAX >= 90    16
DAYS MAX <= 32     9
DAYS MIN <= 32   103
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       65.64   2003
 MINIMUM       22.39   2007
TOTALS         44.41              43.97    0.44
DAILY AVG.      0.12
DAYS >= .01      139
DAYS >= .10       94
DAYS >= .50       39
DAYS >= 1.00       8
GREATEST
 24 HR. TOTAL   1.71

SNOWFALL (INCHES)
TOTALS           7.8                9.2    -1.4
SINCE 7/1        1.4
SNOWDEPTH AVG.     T
DAYS >= TRACE     30
DAYS >= 1.0        3
GREATEST
 SNOW DEPTH        2   01/11
                       02/20
 24 HR TOTAL     1.5   01/10 TO 01/10
                       02/20 TO 02/20

DEGREE DAYS
HEATING TOTAL   4013               4150    -137
 SINCE 7/1      1576               1648     -72
COOLING TOTAL   1154               1104      50
 SINCE 1/1      1154               1104      50
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    39/230    DATE  06/17
HIGHEST GUST SPEED/DIRECTION    56/240    DATE  02/16

SKY COVER
AVERAGE SKY COVER           0.60


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             62     MIXED PRECIP               0
HEAVY RAIN               56     RAIN                      67
LIGHT RAIN              137     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW               30     SLEET                      7
FOG                     218     FOG W/VIS <= 1/4 MILE     37
HAZE                     23

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

$$