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

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772
CDUS44 KMRX 180900
CLITRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
500 AM EDT TUE AUG 18 2026

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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         92   3:41 PM 100    1988  86      6       88
  MINIMUM         66   6:08 AM  49    1979  63      3       65
  AVERAGE         79                        75      4       77

PRECIPITATION (IN)
  YESTERDAY        0.66          2.56 2021   0.11   0.55     0.00
  MONTH TO DATE    3.62                      2.28   1.34     3.76
  SINCE JUN 1     14.27                     11.20   3.07    16.24
  SINCE JAN 1     28.19                     30.23  -2.04    33.13

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    0                         0      0        0
  SINCE JUN 1      3                         7     -4        2
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       14                        10      4       12
  MONTH TO DATE  211                       170     41      155
  SINCE JUN 1    832                       722    110      843
  SINCE JAN 1    981                       817    164      958
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     3.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           3:00 AM
 LOWEST     52           3:00 PM
 AVERAGE    76

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


THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86       101      1988
 MINIMUM TEMPERATURE (F)   63        53      1943


SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE   6:50 AM EDT   SUNSET   8:16 PM EDT
AUGUST 19 2026........SUNRISE   6:51 AM EDT   SUNSET   8:15 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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