Climatological Report (Daily)
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000
CDUS43 KGRR 180522
CLILAN


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


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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1864 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         33   1159 PM  53    1921  34     -1       26
  MINIMUM         15    116 AM -14    1884  22     -7       16
  AVERAGE         24                        28     -4       21

PRECIPITATION (IN)
  YESTERDAY        0.00          1.65 1895   0.06  -0.06     0.06
  MONTH TO DATE    0.90                      1.08  -0.18     1.38
  SINCE DEC 1      0.90                      1.08  -0.18     1.38
  SINCE JAN 1     39.20                     30.98   8.22    34.57

SNOWFALL (IN)
  YESTERDAY        0.0           6.0  1876   0.4   -0.4      0.6
  MONTH TO DATE   11.6                       6.5    5.1     16.0
  SINCE DEC 1     11.6                       6.5    5.1     16.0
  SINCE JUL 1     12.0                      10.3    1.7     16.0
  SNOW DEPTH       6

DEGREE DAYS
 HEATING
  YESTERDAY       41                        37      4       44
  MONTH TO DATE  619                       589     30      649
  SINCE DEC 1    619                       589     30      649
  SINCE JUL 1   1875                      2003   -128     1624

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    782                       625    157      869
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   E (110)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     7.3


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           900 PM
 LOWEST     84           400 AM
 AVERAGE    92

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


THE LANSING MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        55      1895
 MINIMUM TEMPERATURE (F)   21       -25      1884


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   804 AM EST   SUNSET   506 PM EST
DECEMBER 19 2017......SUNRISE   805 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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