691
CDUS43 KGRR 110630
CLIMKG
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
230 AM EDT THU SEP 11 2025
...............................
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 10 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 78 2:10 PM 88 1912 76 2 78
1961
1983
MINIMUM 51 3:56 AM 39 1995 56 -5 53
AVERAGE 65 66 -1 66
PRECIPITATION (IN)
YESTERDAY 0.00 4.06 1986 0.10 -0.10 0.00
MONTH TO DATE 0.28 1.05 -0.77 0.08
SINCE SEP 1 0.28 1.05 -0.77 0.08
SINCE JAN 1 19.27 23.73 -4.46 23.57
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 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 60 16 44 29
SINCE SEP 1 60 16 44 29
SINCE JUL 1 100 38 62 43
COOLING
YESTERDAY 0 3 -3 1
MONTH TO DATE 0 36 -36 7
SINCE SEP 1 0 36 -36 7
SINCE JAN 1 677 609 68 654
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 2.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 3:00 AM
LOWEST 40 4:00 PM
AVERAGE 63
......................................................
THE MUSKEGON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 88 1952
MINIMUM TEMPERATURE (F) 55 34 1943
SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE 7:20 AM EDT SUNSET 8:02 PM EDT
SEPTEMBER 12 2025.....SUNRISE 7:22 AM EDT SUNSET 8:00 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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