111
CDUS43 KGRR 122129
CLIGRR
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
529 PM EDT FRI SEP 12 2025
...............................
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 12 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 82 3:48 PM 95 1952 76 6 86
MINIMUM 53 6:48 AM 37 1964 55 -2 55
AVERAGE 68 65 3 71
PRECIPITATION (IN)
TODAY 0.00 1.54 1896 0.10 -0.10 0.00
MONTH TO DATE 0.58 1.30 -0.72 0.26
SINCE SEP 1 0.58 1.30 -0.72 0.26
SINCE JAN 1 19.51 27.67 -8.16 28.02
SNOWFALL (IN)
TODAY 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
TODAY 0 3 -3 0
MONTH TO DATE 57 21 36 30
SINCE SEP 1 57 21 36 30
SINCE JUL 1 88 38 50 45
COOLING
TODAY 3 3 0 6
MONTH TO DATE 6 43 -37 24
SINCE SEP 1 6 43 -37 24
SINCE JAN 1 759 695 64 678
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 6:00 AM
LOWEST 35 2:00 PM
AVERAGE 66
......................................................
THE GRAND RAPIDS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 1939
1952
MINIMUM TEMPERATURE (F) 54 35 1975
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 7:19 AM EDT SUNSET 7:57 PM EDT
SEPTEMBER 13 2025.....SUNRISE 7:20 AM EDT SUNSET 7:55 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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