327
CDUS43 KGRR 170545
CLIMKG
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1245 AM EST WED DEC 17 2025
...............................
..THE MUSKEGON CLIMATE SUMMARY FOR DECEMBER 16 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 40 11:59 PM 62 2021 37 3 49
MINIMUM 23 7:08 AM 2 1943 26 -3 42
AVERAGE 32 32 0 46
PRECIPITATION (IN)
YESTERDAY 0.00 0.60 1911 0.08 -0.08 0.11
MONTH TO DATE 2.21 1.32 0.89 1.13
SINCE DEC 1 2.21 1.32 0.89 1.13
SINCE JAN 1 26.39 33.98 -7.59 34.28
SNOWFALL (IN)
YESTERDAY 0.0 11.7 1963 0.7 -0.7 0.0
MONTH TO DATE 22.5 10.5 12.0 15.2
SINCE DEC 1 22.5 10.5 12.0 15.2
SINCE JUL 1 39.9 17.0 22.9 16.3
SNOW DEPTH 9
DEGREE DAYS
HEATING
YESTERDAY 33 33 0 19
MONTH TO DATE 649 502 147 522
SINCE DEC 1 649 502 147 522
SINCE JUL 1 1863 1775 88 1451
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 759 650 109 759
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 13.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 4:00 AM
LOWEST 68 11:00 AM
AVERAGE 77
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THE MUSKEGON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 50 1939
MINIMUM TEMPERATURE (F) 26 0 1973
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 8:11 AM EST SUNSET 5:11 PM EST
DECEMBER 18 2025......SUNRISE 8:12 AM EST SUNSET 5:11 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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