Climatological Report (Daily)
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727
CDUS43 KGRR 180522
CLIJXN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1222 AM EST MON DEC 18 2017


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

...THE JACKSON MI CLIMATE SUMMARY FOR DECEMBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1944 TO 9999


WEATHER ITEM   OBSERVED TIME   NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE  FROM      YEAR
                                      NORMAL
......................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         38   1159 PM  34      4       27
  MINIMUM         24   1253 AM  21      3       16
  AVERAGE         31            27      4       22

PRECIPITATION (IN)
  YESTERDAY        0.00          0.05  -0.05     0.01
  MONTH TO DATE    0.47          1.05  -0.58     0.47
  SINCE DEC 1      0.47          1.05  -0.58     0.47
  SINCE JAN 1     36.40         30.68   5.72    36.56

DEGREE DAYS
 HEATING
  YESTERDAY       34            38     -4       43
  MONTH TO DATE  591           593     -2      665
  SINCE DEC 1    591           593     -2      665
  SINCE JUL 1   1833          1997   -164     1635

 COOLING
  YESTERDAY        0             0      0        0
  MONTH TO DATE    0             0      0        0
  SINCE DEC 1      0             0      0        0
  SINCE JAN 1    657           592     65      829
......................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   E (100)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     7.7


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1100 PM
 LOWEST     81          1200 AM
 AVERAGE    85

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


THE JACKSON MI CLIMATE NORMALS FOR TODAY
                         NORMAL
 MAXIMUM TEMPERATURE (F)   34
 MINIMUM TEMPERATURE (F)   21


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   802 AM EST   SUNSET   507 PM EST
DECEMBER 19 2017......SUNRISE   802 AM EST   SUNSET   508 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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