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

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066
CDUS44 KMRX 140820
CLITRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
420 AM EDT MON SEP 14 2026

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 13 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1937 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         88   3:50 PM  96    2019  82      6       82
  MINIMUM         65  11:59 PM  38    1940  58      7       51
  AVERAGE         77                        70      7       67

PRECIPITATION (IN)
  YESTERDAY        0.00          1.83 1947   0.10  -0.10     0.00
  MONTH TO DATE    0.40                      1.21  -0.81     2.22
  SINCE SEP 1      0.40                      1.21  -0.81     2.22
  SINCE JAN 1     29.91                     32.92  -3.01    36.84

SNOWFALL (IN)
  YESTERDAY        0.0                       0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    0                         1     -1       17
  SINCE SEP 1      0                         1     -1       17
  SINCE JUL 1      0                         2     -2       24

 COOLING
  YESTERDAY       12                         5      7        2
  MONTH TO DATE  160                        85     75       13
  SINCE SEP 1    160                        85     75       13
  SINCE JAN 1   1284                      1027    257     1060
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     3.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM
 LOWEST     48           4:00 PM
 AVERAGE    74

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


THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        97      1998
 MINIMUM TEMPERATURE (F)   57        41      1985


SUNRISE AND SUNSET
SEPTEMBER 14 2026.....SUNRISE   7:11 AM EDT   SUNSET   7:38 PM EDT
SEPTEMBER 15 2026.....SUNRISE   7:12 AM EDT   SUNSET   7:37 PM EDT


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




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