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

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838
CDUS44 KMRX 180821
CLITRI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
421 AM EDT FRI APR 18 2025

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR APRIL 17 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         70   4:30 PM  85    2002  70      0       76
  MINIMUM         32   5:57 AM  24    1949  44    -12       58
  AVERAGE         51                        57     -6       67

PRECIPITATION (IN)
  YESTERDAY        T             1.30 2003   0.13  -0.13      T
  MONTH TO DATE    2.04                      2.19  -0.15     2.12
  SINCE MAR 1      4.71                      6.15  -1.44     5.67
  SINCE JAN 1     11.34                     13.61  -2.27    13.61

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       14                         8      6        0
  MONTH TO DATE  184                       183      1      138
  SINCE MAR 1    664                       729    -65      550
  SINCE JUL 1   3710                      3962   -252     3437

 COOLING
  YESTERDAY        0                         0      0        2
  MONTH TO DATE   32                         0     32       12
  SINCE MAR 1     32                         1     31       12
  SINCE JAN 1     32                         1     31       12
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     0.7


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    92           6:00 AM
 LOWEST     20           4:00 PM
 AVERAGE    56

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


THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        87      2002
 MINIMUM TEMPERATURE (F)   44        29      1951


SUNRISE AND SUNSET
APRIL 18 2025.........SUNRISE   6:52 AM EDT   SUNSET   8:07 PM EDT
APRIL 19 2025.........SUNRISE   6:50 AM EDT   SUNSET   8:08 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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