000
CDUS43 KGRR 180553
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
153 AM EDT SAT MAY 18 2013


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR MAY 17 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         71    338 PM  91    1962  70      1       70
  MINIMUM         50    554 AM  30    1973  48      2       40
  AVERAGE         61                        59      2       55

PRECIPITATION (IN)
  YESTERDAY        0.00          1.16 1980   0.13  -0.13     0.00
  MONTH TO DATE    0.58                      2.14  -1.56     1.56
  SINCE MAR 1     12.62                      7.86   4.76     7.79
  SINCE JAN 1     19.68                     11.74   7.94    12.99

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2004   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        4                         7     -3       10
  MONTH TO DATE   89                       159    -70      102
  SINCE MAR 1   1726                      1587    139     1059
  SINCE JUL 1   6211                      6364   -153     5196

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   22                        13      9       17
  SINCE MAR 1     25                        21      4       44
  SINCE JAN 1     25                        21      4       44
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED    11.8


SKY COVER
  POSSIBLE SUNSHINE  37 PERCENT
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    66           600 AM
 LOWEST     40           400 PM
 AVERAGE    53

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        90      1962
 MINIMUM TEMPERATURE (F)   48        28      1973


SUNRISE AND SUNSET
MAY 18 2013...........SUNRISE   616 AM EDT   SUNSET   902 PM EDT
MAY 19 2013...........SUNRISE   615 AM EDT   SUNSET   903 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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