477
CDUS43 KGRR 130624
CLIMKG
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
224 AM EDT SAT SEP 13 2025
...............................
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 12 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 3:00 PM 92 1952 75 3 89
MINIMUM 51 6:58 AM 38 1943 55 -4 54
1955
1958
AVERAGE 65 65 0 72
PRECIPITATION (IN)
YESTERDAY 0.00 1.33 1951 0.10 -0.10 0.00
MONTH TO DATE 0.28 1.26 -0.98 0.08
SINCE SEP 1 0.28 1.26 -0.98 0.08
SINCE JAN 1 19.27 23.94 -4.67 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 3 -3 0
MONTH TO DATE 60 22 38 29
SINCE SEP 1 60 22 38 29
SINCE JUL 1 100 44 56 43
COOLING
YESTERDAY 0 3 -3 7
MONTH TO DATE 1 42 -41 17
SINCE SEP 1 1 42 -41 17
SINCE JAN 1 678 615 63 664
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 3.0
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 7:00 AM
LOWEST 47 3:00 PM
AVERAGE 74
......................................................
THE MUSKEGON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1952
MINIMUM TEMPERATURE (F) 55 36 1946
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 7:23 AM EDT SUNSET 7:58 PM EDT
SEPTEMBER 14 2025.....SUNRISE 7:24 AM EDT SUNSET 7:56 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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