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

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CDUS43 KGRR 180639
CLIGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
239 AM EDT MON AUG 18 2025

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR AUGUST 17 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         85   3:34 PM  98    1988  81      4       79
  MINIMUM         63  11:59 PM  45    1894  61      2       67
                                      1976
  AVERAGE         74                        71      3       73

PRECIPITATION (IN)
  YESTERDAY        0.00          1.94 1995   0.11  -0.11     0.14
  MONTH TO DATE    0.50                      2.00  -1.50     1.67
  SINCE JUN 1      5.70                      9.80  -4.10    12.23
  SINCE JAN 1     17.80                     24.82  -7.02    27.16

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        2
  SINCE JUN 1     22                        43    -21       27
  SINCE JUL 1      0                         5     -5        7

 COOLING
  YESTERDAY        9                         6      3        8
  MONTH TO DATE  169                       122     47      111
  SINCE JUN 1    700                       523    177      518
  SINCE JAN 1    720                       574    146      550
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  NE (50)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     9.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88          12:00 AM
 LOWEST     49           3:00 PM
 AVERAGE    69

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


THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        97      1947
 MINIMUM TEMPERATURE (F)   61        41      1943


SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE   6:52 AM EDT   SUNSET   8:39 PM EDT
AUGUST 19 2025........SUNRISE   6:53 AM EDT   SUNSET   8:37 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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