917
CDUS43 KGRR 180548
CLIGRR
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1248 AM EST THU DEC 18 2025
...............................
..THE GRAND RAPIDS CLIMATE SUMMARY FOR DECEMBER 17 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 42 2:53 PM 54 2006 36 6 41
MINIMUM 29 9:37 PM -5 1973 24 5 34
AVERAGE 36 30 6 38
PRECIPITATION (IN)
YESTERDAY 0.00 1.37 1921 0.08 -0.08 0.00
MONTH TO DATE 1.10 1.39 -0.29 1.31
SINCE DEC 1 1.10 1.39 -0.29 1.31
SINCE JAN 1 27.17 38.31 -11.14 35.13
SNOWFALL (IN)
YESTERDAY 0.0 10.4 2022 0.7 -0.7 0.0
MONTH TO DATE 7.8 10.4 -2.6 13.4
SINCE DEC 1 7.8 10.4 -2.6 13.4
SINCE JUL 1 19.1 17.8 1.3 24.7
SNOW DEPTH 6
DEGREE DAYS
HEATING
YESTERDAY 29 35 -6 27
MONTH TO DATE 724 559 165 583
SINCE DEC 1 724 559 165 583
SINCE JUL 1 1957 1872 85 1571
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 846 733 113 766
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 11.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 10:00 PM
LOWEST 64 2:00 PM
AVERAGE 78
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THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 55 1939
MINIMUM TEMPERATURE (F) 24 -5 1926
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 8:08 AM EST SUNSET 5:10 PM EST
DECEMBER 19 2025......SUNRISE 8:09 AM EST SUNSET 5:10 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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