Climatological Report (Daily)
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000
CDUS43 KGRR 171427
CLILAN


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


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

...THE LANSING MI CLIMATE SUMMARY FOR DECEMBER 17 2017...
VALID AS OF 0900 AM LOCAL TIME.

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)
 TODAY
  MAXIMUM         24    859 AM  53    1921  34    -10       26
  MINIMUM         15    116 AM -14    1884  22     -7       16
  AVERAGE         20                        28     -8       21

PRECIPITATION (IN)
  TODAY            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)
  TODAY            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       7

DEGREE DAYS
 HEATING
  TODAY           45                        37      8       44
  MONTH TO DATE  623                       589     34      649
  SINCE DEC 1    623                       589     34      649
  SINCE JUL 1   1879                      2003   -124     1624

 COOLING
  TODAY            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   7   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1200 AM
 LOWEST     84           400 AM
 AVERAGE    88

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


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


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   803 AM EST   SUNSET   506 PM EST
DECEMBER 18 2017......SUNRISE   804 AM EST   SUNSET   506 PM EST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$

jam



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