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

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520
CDUS44 KMRX 012140
CLITRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
540 PM EDT MON SEP 01 2025

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         79   3:59 PM  98    1953  85     -6       83
  MINIMUM         54   5:28 AM  47    1999  61     -7       69
  AVERAGE         67                        73     -6       76

PRECIPITATION (IN)
  TODAY            0.00          1.80 1982   0.10  -0.10      T
  MONTH TO DATE    0.00                      0.10  -0.10      T
  SINCE SEP 1      0.00                      0.10  -0.10      T
  SINCE JAN 1     34.62                     31.81   2.81    30.42

SNOWFALL (IN)
  TODAY            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
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      7                         1      6        1

 COOLING
  TODAY            2                         8     -6       11
  MONTH TO DATE    2                         8     -6       11
  SINCE SEP 1      2                         8     -6       11
  SINCE JAN 1   1049                       950     99     1139
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     1.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           1:00 AM
 LOWEST     42           4:00 PM
 AVERAGE    71

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


THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        96      1943
 MINIMUM TEMPERATURE (F)   61        45      1967


SUNRISE AND SUNSET
SEPTEMBER  1 2025.....SUNRISE   7:01 AM EDT   SUNSET   7:57 PM EDT
SEPTEMBER  2 2025.....SUNRISE   7:02 AM EDT   SUNSET   7:56 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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