National Weather Service Text Product Display

Climatological Report (Annual)
Issued by NWS Knoxville/Tri Cities, TN
Versions: 1 2 3 4 5 6 7 8 9
104
CXUS54 KMRX 041617
CLACHA

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
1117 AM EST MON JAN 04 2021

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

...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1879 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            107   07/01/2012
                       06/30/2012
 LOW             -10   01/21/1985
                       01/31/1966
                       02/13/1899
HIGHEST           98   07/18         71      27      103  09/13
LOWEST            19   12/26         49     -30       19  01/21
AVG. MAXIMUM    73.5               71.7     1.8     74.6
AVG. MINIMUM    53.7               50.1     3.6     53.5
MEAN            63.6               60.9     2.7     64.1
DAYS MAX >= 90    65               47.7    17.3       95
DAYS MAX <= 32     1                2.6    -1.6        0
DAYS MIN <= 32    35               58.3   -23.3       35
DAYS MIN <= 0      0                0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       73.70   1994
 MINIMUM       32.68   1904
TOTALS         72.67              52.48   20.19    63.16
DAILY AVG.      0.20               0.14    0.06     0.17
DAYS >= .01      140              119.6    20.4      129
DAYS >= .10       96               81.7    14.3       91
DAYS >= .50       46               36.5     9.5       39
DAYS >= 1.00      22               15.7     6.3       20
GREATEST
 24 HR. TOTAL   4.12   0MM24 TO 09/25               3.27
 STORM TOTAL    3.91                                  MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
TOTALS           2.7                3.9    -1.2
SINCE 7/1          T
SNOWDEPTH AVG.     T
DAYS >= TRACE      9
DAYS >= 1.0        1
GREATEST
 SNOW DEPTH        1   02/08
 24 HR TOTAL     2.7

DEGREE DAYS
HEATING TOTAL   2513               3239    -726
 SINCE 7/1      1011               1285    -274
................................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    46/290    DATE  04/12
HIGHEST GUST SPEED/DIRECTION    62/280    DATE  04/12

SKY COVER
AVERAGE SKY COVER           0.55


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             71     MIXED PRECIP               0
HEAVY RAIN               62     RAIN                      83
LIGHT RAIN              163     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                8     SLEET                      1
FOG                     188     FOG W/VIS <= 1/4 MILE     15
HAZE                     46

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

$$
National Weather Service National Headquarters
