742
CDUS43 KGRR 270720
CLIGRR
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
320 AM EDT SAT SEP 27 2025
...............................
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 26 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 78 3:11 PM 92 2017 70 8 76
MINIMUM 52 4:29 AM 30 1947 49 3 49
AVERAGE 65 60 5 63
PRECIPITATION (IN)
YESTERDAY 0.00 2.27 1915 0.12 -0.12 0.00
MONTH TO DATE 2.44 2.96 -0.52 1.32
SINCE SEP 1 2.44 2.96 -0.52 1.32
SINCE JAN 1 21.37 29.33 -7.96 29.08
SNOWFALL (IN)
YESTERDAY 0.0 T 1942 0.0 0.0 0.0
1965
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 0.0
DEGREE DAYS
HEATING
YESTERDAY 0 7 -7 2
MONTH TO DATE 57 88 -31 38
SINCE SEP 1 57 88 -31 38
SINCE JUL 1 88 105 -17 53
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 59 68 -9 90
SINCE SEP 1 59 68 -9 90
SINCE JAN 1 812 720 92 744
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 48 4:00 PM
AVERAGE 74
......................................................
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 86 1946
MINIMUM TEMPERATURE (F) 49 29 1989
SUNRISE AND SUNSET
SEPTEMBER 27 2025.....SUNRISE 7:35 AM EDT SUNSET 7:30 PM EDT
SEPTEMBER 28 2025.....SUNRISE 7:36 AM EDT SUNSET 7:28 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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