518
CDUS43 KGRR 182222
CLIMKG
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
622 PM EDT FRI SEP 18 2026
...............................
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 18 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1896 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 71 11:51 AM 86 1906 73 -2 82
MINIMUM 55 7:02 AM 34 1959 53 2 56
1973
1995
AVERAGE 63 63 0 69
PRECIPITATION (IN)
TODAY 0.00 2.67 1983 0.11 -0.11 0.00
MONTH TO DATE 2.01 1.91 0.10 0.41
SINCE SEP 1 2.01 1.91 0.10 0.41
SINCE JAN 1 32.37 24.59 7.78 19.40
SNOWFALL (IN)
TODAY MM T 1952 0.0 MM 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
TODAY 2 4 -2 0
MONTH TO DATE 15 44 -29 60
SINCE SEP 1 15 44 -29 60
SINCE JUL 1 25 66 -41 100
COOLING
TODAY 0 2 -2 4
MONTH TO DATE 77 54 23 27
SINCE SEP 1 77 54 23 27
SINCE JAN 1 652 627 25 704
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 54 11:00 AM
AVERAGE 76
......................................................
THE MUSKEGON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 93 1932
MINIMUM TEMPERATURE (F) 52 36 1979
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 7:28 AM EDT SUNSET 7:49 PM EDT
SEPTEMBER 19 2026.....SUNRISE 7:29 AM EDT SUNSET 7:48 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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