Climatological Report (Daily)
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CDUS43 KDTX 170541
CLIMBS


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1241 AM EST SUN DEC 17 2017


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

...THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 16 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2017


WEATHER ITEM   OBSERVED TIME   NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE  FROM      YEAR
                                      NORMAL
......................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         25    647 PM  33     -8       19
  MINIMUM         20   1240 AM  21     -1        2
  AVERAGE         23            27     -4

PRECIPITATION (IN)
  YESTERDAY        0.04          0.06  -0.02
  MONTH TO DATE    0.72          1.02  -0.30
  SINCE DEC 1      0.72          1.02  -0.30
  SINCE JAN 1     37.44         30.70   6.74

SNOWFALL (IN)
  YESTERDAY        1.2
  MONTH TO DATE    9.6
  SINCE DEC 1      9.6
  SINCE JUL 1      9.6
  SNOW DEPTH       6

DEGREE DAYS
 HEATING
  YESTERDAY       42                    4
  MONTH TO DATE  589                   21
  SINCE DEC 1    589                   21
  SINCE JUL 1   1820                 -221

 COOLING
  YESTERDAY        0                    0
  MONTH TO DATE    0                    0
  SINCE DEC 1      0                    0
  SINCE JAN 1    665                  108
......................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     6.5



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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100
 LOWEST     81
 AVERAGE    91

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


THE TRI CITIES MI CLIMATE NORMALS FOR TODAY
                         NORMAL
 MAXIMUM TEMPERATURE (F)   33
 MINIMUM TEMPERATURE (F)   21


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   804 AM EST   SUNSET   501 PM EST
DECEMBER 18 2017......SUNRISE   805 AM EST   SUNSET   502 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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