365
CDUS43 KGRR 180632
CLIGRR
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
232 AM EDT THU SEP 18 2025
...............................
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 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 83 4:35 PM 92 1906 74 9 84
MINIMUM 53 6:50 AM 37 1902 53 0 54
1959
AVERAGE 68 63 5 69
PRECIPITATION (IN)
YESTERDAY 0.00 2.29 1997 0.11 -0.11 0.00
MONTH TO DATE 0.62 1.85 -1.23 0.26
SINCE SEP 1 0.62 1.85 -1.23 0.26
SINCE JAN 1 19.55 28.22 -8.67 28.02
SNOWFALL (IN)
YESTERDAY 0.0 0.0 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 4 -4 0
MONTH TO DATE 57 39 18 30
SINCE SEP 1 57 39 18 30
SINCE JUL 1 88 56 32 45
COOLING
YESTERDAY 3 2 1 4
MONTH TO DATE 26 54 -28 58
SINCE SEP 1 26 54 -28 58
SINCE JAN 1 779 706 73 712
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 3.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 35 4:00 PM
AVERAGE 68
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THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 94 1906
MINIMUM TEMPERATURE (F) 52 35 1973
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 7:25 AM EDT SUNSET 7:46 PM EDT
SEPTEMBER 19 2025.....SUNRISE 7:26 AM EDT SUNSET 7:44 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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