927
CXUS53 KGRR 012147
CLMMKG

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

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

...THE MUSKEGON CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1896 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   08/03/1964
 LOW              36   08/16/1979
HIGHEST           91   08/08         88       3       91  08/02
                       08/09
LOWEST            43   08/30         46      -3       50  08/21
                                                          08/22
AVG. MAXIMUM    80.0               80.2    -0.2     81.0
AVG. MINIMUM    60.0               61.3    -1.3     62.7
MEAN            70.0               70.8    -0.8     71.9
DAYS MAX >= 90     2                0.4     1.6        1
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        4.51   2021
 MINIMUM        0.18   2020
TOTALS          3.78               3.10    0.68     3.55
DAILY AVG.      0.12               0.10    0.02     0.11
DAYS >= .01       10                9.1     0.9        8
DAYS >= .10        6                5.7     0.3        6
DAYS >= .50        2                2.1    -0.1        2
DAYS >= 1.00       2                0.7     1.3        1
GREATEST
 24 HR. TOTAL   2.25   08/18 TO 08/19

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
 SNOW DEPTH       MM   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     40                 13      27        8
 SINCE 7/1        40                 16      24       MM
COOLING TOTAL    203                191      12      227
 SINCE 1/1       677                573     104       MM

FREEZE DATES
RECORD
 EARLIEST     09/22/1976
 LATEST       06/22/1992
EARLIEST                        MM
LATEST                          05/09
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.1
RESULTANT WIND SPEED/DIRECTION   1/260
HIGHEST WIND SPEED/DIRECTION    25/190    DATE  08/09
HIGHEST GUST SPEED/DIRECTION    35/200    DATE  08/09
                                35/270          08/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.44
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       3
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      1
HAZE                      7

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

$$