Climatological Report (Daily)
Issued by NWS Grand Rapids, MI

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578
CDUS43 KGRR 170532
CLIGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
132 AM EDT SAT MAY 17 2025

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR MAY 16 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         83   4:24 PM  89    1962  70     13       74
                                      1977
  MINIMUM         56   6:01 AM  29    1997  49      7       46
  AVERAGE         70                        59     11       60

PRECIPITATION (IN)
  YESTERDAY        0.30          1.97 1974   0.12   0.18     0.44
  MONTH TO DATE    2.21                      2.09   0.12     2.18
  SINCE MAR 1      8.85                      8.47   0.38     8.59
  SINCE JAN 1     10.96                     13.11  -2.15    13.95

SNOWFALL (IN)
  YESTERDAY        0.0           T    1997   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      1.7                       9.6   -7.9      7.2
  SINCE JUL 1     63.8                      77.6  -13.8     47.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         7     -7        5
  MONTH TO DATE  106                       148    -42       83
  SINCE MAR 1   1355                      1586   -231     1252
  SINCE JUL 1   5825                      6292   -467     5338

 COOLING
  YESTERDAY        5                         1      4        0
  MONTH TO DATE   20                        12      8        5
  SINCE MAR 1     20                        18      2        8
  SINCE JAN 1     20                        18      2        8
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    33   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    57   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    14.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87          12:00 AM
 LOWEST     31           2:00 PM
 AVERAGE    59

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


THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        91      1962
 MINIMUM TEMPERATURE (F)   49        30      1973


SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE   6:17 AM EDT   SUNSET   9:01 PM EDT
MAY 18 2025...........SUNRISE   6:16 AM EDT   SUNSET   9:02 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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