171
CXUS53 KGRR 012041
CLMMKG

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
441 PM EDT MON JUN 01 2026

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

...THE MUSKEGON CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1896 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             96   05/29/2018
 LOW              22   05/10/1947
HIGHEST           84   05/27         83       1       88  05/15
LOWEST            29   05/02         31      -2       32  05/09
AVG. MAXIMUM    66.4               68.4    -2.0     65.9
AVG. MINIMUM    44.5               47.5    -3.0     44.6
MEAN            55.4               57.9    -2.5     55.2
DAYS MAX >= 90     0                0.2    -0.2        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     4                1.4     2.6        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.59   2004
 MINIMUM        0.23   1936
TOTALS          1.79               3.38   -1.59     3.49
DAILY AVG.      0.06               0.11   -0.05     0.11
DAYS >= .01        6               11.3    -5.3       12
DAYS >= .10        4                6.8    -2.8        6
DAYS >= .50        1                2.2    -1.2        4
DAYS >= 1.00       1                0.8     0.2        0
GREATEST
 24 HR. TOTAL   1.01   05/24 TO 05/24

SNOWFALL (INCHES)
RECORDS
 TOTAL           5.0   1923
 SNOW DEPTH        2   05/10/1902
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1      108.5               87.2    21.3       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    309                252      57      317
 SINCE 7/1      6307               6247      60       MM
COOLING TOTAL     20                 33     -13       23
 SINCE 1/1        20                 36     -16       MM

FREEZE DATES
RECORD
 EARLIEST     09/22/1976
 LATEST       06/22/1992
EARLIEST                        10/24
LATEST                          05/09
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
RESULTANT WIND SPEED/DIRECTION   3/210
HIGHEST WIND SPEED/DIRECTION    29/190    DATE  05/04
                                29/200          05/12
HIGHEST GUST SPEED/DIRECTION    47/310    DATE  05/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                2     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                       7     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

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

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