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

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CDUS44 KMRX 160925
CLITRI


CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
425 AM EST SAT DEC 16 2017


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

...THE TRI-CITIES      ASOS CLIMATE SUMMARY FOR DECEMBER 15 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         35    353 PM  75    1971  48    -13       37
  MINIMUM         20    712 AM   5    2010  28     -8       17
  AVERAGE         28                        38    -10       27

PRECIPITATION (IN)
  YESTERDAY        0.00          0.82 1972   0.11  -0.11     0.00
  MONTH TO DATE    0.59                      1.71  -1.12     2.92
  SINCE DEC 1      0.59                      1.71  -1.12     2.92
  SINCE JAN 1     41.94                     39.35   2.59    33.44

SNOWFALL (IN)
  YESTERDAY        0.0                       0.1   -0.1      0.0
  MONTH TO DATE    1.5                       0.9    0.6       T
  SINCE DEC 1      1.5                       0.9    0.6       T
  SINCE JUL 1      1.5                       1.2    0.3       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       37                        27     10       38
  MONTH TO DATE  382                       384     -2      400
  SINCE DEC 1    382                       384     -2      400
  SINCE JUL 1   1161                      1270   -109     1019

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1142                       981    161     1492
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     4.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     59           400 PM
 AVERAGE    80

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


THE TRI-CITIES      ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   48        72      2015
 MINIMUM TEMPERATURE (F)   27         3      1989


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   735 AM EST   SUNSET   516 PM EST
DECEMBER 17 2017......SUNRISE   736 AM EST   SUNSET   516 PM EST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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