Climatological Report (Daily)
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000
CDUS43 KGRR 170522
CLIJXN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1222 AM EST SUN DEC 17 2017


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

...THE JACKSON MI CLIMATE SUMMARY FOR DECEMBER 16 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         41    306 PM  34      7       16
  MINIMUM         24   1137 PM  21      3        2
  AVERAGE         33            28      5        9

PRECIPITATION (IN)
  YESTERDAY        T             0.06  -0.06     0.04
  MONTH TO DATE    0.47          1.00  -0.53     0.46
  SINCE DEC 1      0.47          1.00  -0.53     0.46
  SINCE JAN 1     36.40         30.63   5.77    36.55

DEGREE DAYS
 HEATING
  YESTERDAY       32            37     -5       56
  MONTH TO DATE  557           555      2      622
  SINCE DEC 1    557           555      2      622
  SINCE JUL 1   1799          1959   -160     1592

 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   4   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     9.6


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           200 AM
 LOWEST     59           100 PM
 AVERAGE    72

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


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


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   801 AM EST   SUNSET   507 PM EST
DECEMBER 18 2017......SUNRISE   802 AM EST   SUNSET   507 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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