745
CDUS43 KGRR 270720
CLIMKG
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
320 AM EDT SAT SEP 27 2025
...............................
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 26 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1896 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 74 2:15 PM 88 2017 69 5 79
MINIMUM 55 2:09 AM 28 1947 50 5 51
AVERAGE 65 60 5 65
PRECIPITATION (IN)
YESTERDAY 0.00 1.55 1915 0.11 -0.11 0.00
MONTH TO DATE 0.85 2.82 -1.97 4.89
SINCE SEP 1 0.85 2.82 -1.97 4.89
SINCE JAN 1 19.84 25.50 -5.66 28.38
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 0
MONTH TO DATE 61 87 -26 37
SINCE SEP 1 61 87 -26 37
SINCE JUL 1 101 109 -8 51
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 55 65 -10 85
SINCE SEP 1 55 65 -10 85
SINCE JAN 1 732 638 94 732
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 61 11:00 AM
AVERAGE 81
......................................................
THE MUSKEGON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 81 1946
MINIMUM TEMPERATURE (F) 49 27 1989
SUNRISE AND SUNSET
SEPTEMBER 27 2025.....SUNRISE 7:38 AM EDT SUNSET 7:33 PM EDT
SEPTEMBER 28 2025.....SUNRISE 7:39 AM EDT SUNSET 7:31 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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