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

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584
CXUS54 KMRX 021746
CLACHA

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
1246 PM EST THU JAN 02 2025

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

...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1879 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            107   07/01/2012
                       06/30/2012
 LOW             -10   01/21/1985
                       01/31/1966
                       02/13/1899
HIGHEST          101   07/13         71      30
                       08/29
LOWEST            11   01/17         49     -38
AVG. MAXIMUM    75.1
AVG. MINIMUM    54.0
MEAN            64.5               61.9     2.6
DAYS MAX >= 90    74
DAYS MAX <= 32     3
DAYS MIN <= 32    48
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       73.70   1994
 MINIMUM       32.68   1904
TOTALS         41.46              55.00  -13.54
DAILY AVG.      0.11
DAYS >= .01      114
DAYS >= .10       67
DAYS >= .50       31
DAYS >= 1.00      11
GREATEST
 24 HR. TOTAL   4.62   09/26 TO 09/27

SNOWFALL (INCHES)
TOTALS           2.1                3.6    -1.5
SINCE 7/1          T
SNOWDEPTH AVG.     T
DAYS >= TRACE      6
DAYS >= 1.0        1
GREATEST
 SNOW DEPTH       MM
 24 HR TOTAL     2.1   01/14 TO 01/15

DEGREE DAYS
HEATING TOTAL   2451               3029    -578
 SINCE 7/1       908               1207    -299
COOLING TOTAL   2376               1921     455
 SINCE 1/1      2376               1920     456
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    46/350    DATE  07/30
HIGHEST GUST SPEED/DIRECTION    62/360    DATE  07/30

SKY COVER
AVERAGE SKY COVER           0.52


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             52     MIXED PRECIP               1
HEAVY RAIN               41     RAIN                      60
LIGHT RAIN              139     FREEZING RAIN              1
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                7     SLEET                      1
FOG                     128     FOG W/VIS <= 1/4 MILE     15
HAZE                     38

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

$$