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

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547
CDUS44 KMRX 172118
CLITYS

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
518 PM EDT SUN MAY 17 2026

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

...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR MAY 17 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         90   3:56 PM  92    1962  79     11       84
  MINIMUM         60   6:04 AM  39    1984  57      3       63
  AVERAGE         75                        68      7       74

PRECIPITATION (IN)
  TODAY            0.00          1.64 1980   0.13  -0.13     0.77
  MONTH TO DATE    1.09                      2.36  -1.27     4.86
  SINCE MAR 1      7.36                     11.96  -4.60    14.69
  SINCE JAN 1     14.97                     21.53  -6.56    22.10

SNOWFALL (IN)
  TODAY            0.0                       0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      0.1                       0.9   -0.8       T
  SINCE JUL 1      3.6                       4.6   -1.0      7.5
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            0                         2     -2        0
  MONTH TO DATE   52                        40     12       33
  SINCE MAR 1    346                       690   -344      505
  SINCE JUL 1   2969                      3514   -545     3121

 COOLING
  TODAY           10                         5      5        9
  MONTH TO DATE   25                        61    -36       62
  SINCE MAR 1    143                       102     41      170
  SINCE JAN 1    144                       102     42      171
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     3.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           6:00 AM
 LOWEST     34           4:00 PM
 AVERAGE    60

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


THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        94      1877
                                             1962
 MINIMUM TEMPERATURE (F)   58        38      1973


SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE   6:29 AM EDT   SUNSET   8:36 PM EDT
MAY 18 2026...........SUNRISE   6:28 AM EDT   SUNSET   8:37 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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