248
CDUS43 KGRR 220626
CLIMKG
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
226 AM EDT MON SEP 22 2025
...............................
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 21 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 76 3:42 PM 86 1941 72 4 85
2017
MINIMUM 61 8:25 AM 31 1962 52 9 58
AVERAGE 69 62 7 72
PRECIPITATION (IN)
YESTERDAY 0.17 3.46 1947 0.11 0.06 0.00
MONTH TO DATE 0.66 2.26 -1.60 0.08
SINCE SEP 1 0.66 2.26 -1.60 0.08
SINCE JAN 1 19.65 24.94 -5.29 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 5 -5 0
MONTH TO DATE 60 58 2 29
SINCE SEP 1 60 58 2 29
SINCE JUL 1 100 80 20 43
COOLING
YESTERDAY 4 2 2 7
MONTH TO DATE 45 60 -15 84
SINCE SEP 1 45 60 -15 84
SINCE JAN 1 722 633 89 731
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SE (140)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 66 4:00 PM
AVERAGE 82
......................................................
THE MUSKEGON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 90 2017
MINIMUM TEMPERATURE (F) 51 31 1976
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 7:33 AM EDT SUNSET 7:42 PM EDT
SEPTEMBER 23 2025.....SUNRISE 7:34 AM EDT SUNSET 7:40 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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