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

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505
CDUS43 KGRR 210623
CLIGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
223 AM EDT THU AUG 21 2025

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR AUGUST 20 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         77   5:32 PM  97    1947  81     -4       71
  MINIMUM         62  11:59 PM  43    1992  61      1       50
  AVERAGE         70                        71     -1       61

PRECIPITATION (IN)
  YESTERDAY        0.01          2.34 2007   0.12  -0.11     0.00
  MONTH TO DATE    1.60                      2.34  -0.74     1.78
  SINCE JUN 1      6.80                     10.14  -3.34    12.34
  SINCE JAN 1     18.90                     25.16  -6.26    27.27

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        4
  MONTH TO DATE    0                         0      0        6
  SINCE JUN 1     22                        43    -21       31
  SINCE JUL 1      0                         5     -5       11

 COOLING
  YESTERDAY        5                         6     -1        0
  MONTH TO DATE  187                       140     47      118
  SINCE JUN 1    718                       541    177      525
  SINCE JAN 1    738                       592    146      557
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  NE (40)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     7.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           1:00 AM
 LOWEST     55           5:00 PM
 AVERAGE    78

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


THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        97      1916
                                             1955
 MINIMUM TEMPERATURE (F)   61        44      1956


SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE   6:55 AM EDT   SUNSET   8:34 PM EDT
AUGUST 22 2025........SUNRISE   6:56 AM EDT   SUNSET   8:33 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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