970
CDUS43 KGRR 180548
CLIMKG
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1248 AM EST THU DEC 18 2025
...............................
..THE MUSKEGON CLIMATE SUMMARY FOR DECEMBER 17 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 41 11:45 AM 50 1939 37 4 44
MINIMUM 30 9:17 PM 0 1973 26 4 36
AVERAGE 36 31 5 40
PRECIPITATION (IN)
YESTERDAY 0.00 0.61 1921 0.07 -0.07 0.00
MONTH TO DATE 2.21 1.39 0.82 1.13
SINCE DEC 1 2.21 1.39 0.82 1.13
SINCE JAN 1 26.39 34.05 -7.66 34.28
SNOWFALL (IN)
YESTERDAY 0.0 14.8 1963 0.8 -0.8 0.0
MONTH TO DATE 22.5 11.3 11.2 15.2
SINCE DEC 1 22.5 11.3 11.2 15.2
SINCE JUL 1 39.9 17.8 22.1 16.3
SNOW DEPTH 7
DEGREE DAYS
HEATING
YESTERDAY 29 34 -5 25
MONTH TO DATE 678 536 142 547
SINCE DEC 1 678 536 142 547
SINCE JUL 1 1892 1809 83 1476
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 8 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 10.4
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 8:00 PM
LOWEST 70 2:00 PM
AVERAGE 79
......................................................
THE MUSKEGON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 53 1939
MINIMUM TEMPERATURE (F) 26 2 1919
1922
1945
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 8:12 AM EST SUNSET 5:11 PM EST
DECEMBER 19 2025......SUNRISE 8:13 AM EST SUNSET 5:12 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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