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

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630
CDUS44 KMRX 010841
CLITRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
441 AM EDT MON SEP 01 2025

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR AUGUST 31 2025...

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)
 YESTERDAY
  MAXIMUM         82   2:55 PM  98    1953  85     -3       92
  MINIMUM         53   6:27 AM  47    1946  61     -8       65
  AVERAGE         68                        73     -5       79

PRECIPITATION (IN)
  YESTERDAY        0.19          2.07 2006   0.09   0.10     0.62
  MONTH TO DATE    5.25                      3.76   1.49     5.24
  SINCE JUN 1     17.73                     12.68   5.05    11.22
  SINCE JAN 1     34.62                     31.71   2.91    30.42

SNOWFALL (IN)
  YESTERDAY        0.0                       0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 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                         0      0        0
  MONTH TO DATE    7                         0      7        1
  SINCE JUN 1      9                         7      2        2
  SINCE JUL 1      7                         0      7        1

 COOLING
  YESTERDAY        3                         8     -5       14
  MONTH TO DATE  244                       295    -51      315
  SINCE JUN 1    932                       847     85     1002
  SINCE JAN 1   1047                       942    105     1128
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     2.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           4:00 AM
 LOWEST     41           3:00 PM
 AVERAGE    71

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


THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        98      1953
 MINIMUM TEMPERATURE (F)   61        47      1999


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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