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

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184
CDUS44 KMRX 280809
CLITRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
409 AM EDT THU AUG 28 2025

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR AUGUST 27 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         74   5:14 PM  95    1943  85    -11       91
                                      1954
                                      2016
  MINIMUM         47   6:20 AM  46    1945  62    -15       61
  AVERAGE         61                        74    -13       76

PRECIPITATION (IN)
  YESTERDAY        0.00          1.17 1983   0.11  -0.11     0.00
  MONTH TO DATE    5.06                      3.38   1.68     4.58
  SINCE JUN 1     17.54                     12.30   5.24    10.56
  SINCE JAN 1     34.43                     31.33   3.10    29.76

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        4                         0      4        0
  MONTH TO DATE    6                         0      6        1
  SINCE JUN 1      8                         7      1        2
  SINCE JUL 1      6                         0      6        1

 COOLING
  YESTERDAY        0                         9     -9       11
  MONTH TO DATE  238                       262    -24      258
  SINCE JUN 1    926                       814    112      945
  SINCE JAN 1   1041                       909    132     1071
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     1.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           4:00 AM
 LOWEST     33           4:00 PM
 AVERAGE    67

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


THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        94      1948
                                             1953
 MINIMUM TEMPERATURE (F)   62        48      1968
                                             1986


SUNRISE AND SUNSET
AUGUST 28 2025........SUNRISE   6:58 AM EDT   SUNSET   8:03 PM EDT
AUGUST 29 2025........SUNRISE   6:59 AM EDT   SUNSET   8:01 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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