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

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CDUS44 KMRX 180934
CLITRI


CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
434 AM EST MON DEC 18 2017


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

...THE TRI-CITIES      ASOS CLIMATE SUMMARY FOR DECEMBER 17 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         42    600 PM  69    2001  47     -5       47
  MINIMUM         25    109 AM   6    1989  27     -2       34
                                      1943
  AVERAGE         34                        37     -3       41

PRECIPITATION (IN)
  YESTERDAY        T             1.11 1961   0.11  -0.11     0.06
  MONTH TO DATE    0.59                      1.92  -1.33     2.98
  SINCE DEC 1      0.59                      1.92  -1.33     2.98
  SINCE JAN 1     41.94                     39.56   2.38    33.50

SNOWFALL (IN)
  YESTERDAY        0.0                       0.1   -0.1      0.0
  MONTH TO DATE    1.5                       1.1    0.4       T
  SINCE DEC 1      1.5                       1.1    0.4       T
  SINCE JUL 1      1.5                       1.4    0.1       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       31                        28      3       24
  MONTH TO DATE  444                       440      4      461
  SINCE DEC 1    444                       440      4      461
  SINCE JUL 1   1223                      1326   -103     1080

 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     6   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     0.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1000 PM
 LOWEST     70           100 PM
 AVERAGE    85

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


THE TRI-CITIES      ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        73      1990
 MINIMUM TEMPERATURE (F)   27         4      1953


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   736 AM EST   SUNSET   517 PM EST
DECEMBER 19 2017......SUNRISE   737 AM EST   SUNSET   517 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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