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

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133
CDUS44 KMRX 200807
CLITRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
407 AM EDT SUN APR 20 2025

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR APRIL 19 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         85   3:21 PM  90    1941  71     14       78
  MINIMUM         49   5:44 AM  25    1983  44      5       54
  AVERAGE         67                        58      9       66

PRECIPITATION (IN)
  YESTERDAY        0.00          2.89 2019   0.12  -0.12     0.08
  MONTH TO DATE    2.04                      2.43  -0.39     2.20
  SINCE MAR 1      4.71                      6.39  -1.68     5.75
  SINCE JAN 1     11.34                     13.85  -2.51    13.69

SNOWFALL (IN)
  YESTERDAY        0.0                       0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE MAR 1      T                         1.2   -1.2      0.0
  SINCE JUL 1      7.9                       9.2   -1.3      3.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         8     -8        0
  MONTH TO DATE  185                       199    -14      138
  SINCE MAR 1    665                       745    -80      550
  SINCE JUL 1   3711                      3978   -267     3437

 COOLING
  YESTERDAY        2                         0      2        1
  MONTH TO DATE   34                         0     34       18
  SINCE MAR 1     34                         1     33       18
  SINCE JAN 1     34                         1     33       18
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     4.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           5:00 AM
 LOWEST     24           4:00 PM
 AVERAGE    57

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


THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        85      2002
                                             2016
                                             2023
 MINIMUM TEMPERATURE (F)   45        24      1983


SUNRISE AND SUNSET
APRIL 20 2025.........SUNRISE   6:49 AM EDT   SUNSET   8:08 PM EDT
APRIL 21 2025.........SUNRISE   6:48 AM EDT   SUNSET   8:09 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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