922
CXUS53 KGRR 012147
CLMGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
547 PM EDT MON SEP 01 2025

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...

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

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            102   08/06/1918
 LOW              39   08/30/1976
HIGHEST           92   08/09         90       2       93  08/27
LOWEST            44   08/27         45      -1       49  08/21
                       08/30
AVG. MAXIMUM    81.1               80.9     0.2     81.2
AVG. MINIMUM    59.3               61.2    -1.9     61.4
MEAN            70.2               71.1    -0.9     71.3
DAYS MAX >= 90     4                1.9     2.1        3
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.46   1987
 MINIMUM        0.13   1899
TOTALS          1.63               3.55   -1.92     2.27
DAILY AVG.      0.05               0.11   -0.06     0.07
DAYS >= .01        6                9.9    -3.9        8
DAYS >= .10        3                6.1    -3.1        6
DAYS >= .50        1                2.6    -1.6        1
DAYS >= 1.00       0                0.9    -0.9        0
GREATEST
 24 HR. TOTAL   1.09   08/18 TO 08/19

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   1993
 SNOW DEPTH        T   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL     31                 12      19       10
 SINCE 7/1        31                 11      20       MM
COOLING TOTAL    202                200       2      215
 SINCE 1/1       753                652     101       MM

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        MM
LATEST                          04/17
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
RESULTANT WIND SPEED/DIRECTION   1/180
HIGHEST WIND SPEED/DIRECTION    28/240    DATE  08/10
                                28/140          08/16
HIGHEST GUST SPEED/DIRECTION    38/240    DATE  08/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.46
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             21
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       3
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

$$