000
CDUS43 KGRR 110552
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
149 AM EDT SAT MAY 11 2013


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR MAY 10 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         61   1202 AM  89    1896  68     -7       67
  MINIMUM         45    136 PM  22    1966  46     -1       40
  AVERAGE         53                        57     -4       54

PRECIPITATION (IN)
  YESTERDAY        0.37          3.53 1981   0.13   0.24     0.00
  MONTH TO DATE    0.46                      1.25  -0.79     1.17
  SINCE MAR 1     12.50                      6.97   5.53     7.40
  SINCE JAN 1     19.56                     10.85   8.71    12.60

SNOWFALL (IN)
  YESTERDAY        0.0           5.5  1902   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0       T
  SINCE MAR 1      8.4                      10.1   -1.7      2.8
  SINCE JUL 1     66.0                      74.9   -8.9     51.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       12                         9      3       11
  MONTH TO DATE   17                       103    -86       62
  SINCE MAR 1   1654                      1531    123     1019
  SINCE JUL 1   6139                      6308   -169     5156

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   20                         6     14       17
  SINCE MAR 1     23                        14      9       44
  SINCE JAN 1     23                        14      9       44
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  NE (50)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     9.2


SKY COVER
  POSSIBLE SUNSHINE   0 PERCENT
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM
 LOWEST     82          1000 PM
 AVERAGE    88

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        89      1922
                                             1896
 MINIMUM TEMPERATURE (F)   46        28      1907


SUNRISE AND SUNSET
MAY 11 2013...........SUNRISE   623 AM EDT   SUNSET   854 PM EDT
MAY 12 2013...........SUNRISE   622 AM EDT   SUNSET   855 PM EDT


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




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