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

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882
CXUS54 KMRX 012253
CLATYS

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

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

...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2025...

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

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            105   07/01/2012
                       06/30/2012
 LOW             -24   01/21/1985
HIGHEST           96   06/24         69      27
                       06/25
LOWEST             8   01/22         49     -41
AVG. MAXIMUM    70.7
AVG. MINIMUM    50.5
MEAN            60.6               59.6     1.0
DAYS MAX >= 90    45
DAYS MAX <= 32     6
DAYS MIN <= 32    66
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       73.77   1875
 MINIMUM       32.48   1986
TOTALS         46.75              51.93   -5.18
DAILY AVG.      0.13
DAYS >= .01      123
DAYS >= .10       88
DAYS >= .50       37
DAYS >= 1.00      11
GREATEST
 24 HR. TOTAL   2.12   08/23 TO 08/24

SNOWFALL (INCHES)
TOTALS           6.9                4.6     2.3
SINCE 7/1        0.1
SNOWDEPTH AVG.     0
DAYS >= TRACE     10
DAYS >= 1.0        1
GREATEST
 SNOW DEPTH        3   01/11
                       01/12
 24 HR TOTAL     4.9   01/10 TO 01/10

DEGREE DAYS
HEATING TOTAL   3260               3528    -268
 SINCE 7/1      1224               1401    -177
COOLING TOTAL   1778               1574     204
 SINCE 1/1      1778               1572     206
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    41/270    DATE  03/05
HIGHEST GUST SPEED/DIRECTION    62/270    DATE  12/18

SKY COVER
AVERAGE SKY COVER           0.59


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             74     MIXED PRECIP               0
HEAVY RAIN               49     RAIN                      62
LIGHT RAIN              138     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       3
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               16     SLEET                      5
FOG                     143     FOG W/VIS <= 1/4 MILE     22
HAZE                     37

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

$$