Climatological Report (Daily)
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000
CDUS43 KGRR 160519
CLILAN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1219 AM EST SAT DEC 16 2017


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

...THE LANSING MI CLIMATE SUMMARY FOR DECEMBER 15 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         25    452 PM  64    1971  34     -9       17
  MINIMUM         19    602 AM -13    1917  22     -3        3
                                      1868
  AVERAGE         22                        28     -6       10

PRECIPITATION (IN)
  YESTERDAY        0.03          1.17 1971   0.06  -0.03      T
  MONTH TO DATE    0.76                      0.97  -0.21     1.12
  SINCE DEC 1      0.76                      0.97  -0.21     1.12
  SINCE JAN 1     39.06                     30.87   8.19    34.31

SNOWFALL (IN)
  YESTERDAY        0.9          10.0  1884   0.4    0.5       T
  MONTH TO DATE   10.1                       5.6    4.5     13.8
  SINCE DEC 1     10.1                       5.6    4.5     13.8
  SINCE JUL 1     10.5                       9.4    1.1     13.8
  SNOW DEPTH       7

DEGREE DAYS
 HEATING
  YESTERDAY       43                        37      6       55
  MONTH TO DATE  535                       515     20      553
  SINCE DEC 1    535                       515     20      553
  SINCE JUL 1   1791                      1929   -138     1528

 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   9   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     9.8


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1200 PM
 LOWEST     68           800 PM
 AVERAGE    80

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


THE LANSING MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        61      1984
 MINIMUM TEMPERATURE (F)   22       -11      1876


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   803 AM EST   SUNSET   506 PM EST
DECEMBER 17 2017......SUNRISE   803 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.




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