Climatological Report (Daily)
Issued by NWS Grand Rapids, MI

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CDUS43 KGRR 260623
CLIGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
223 AM EDT FRI SEP 26 2025

...................................

...THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 25 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         74   3:24 PM  91    2017  70      4       76
  MINIMUM         58  11:59 PM  29    1947  50      8       55
  AVERAGE         66                        60      6       66

PRECIPITATION (IN)
  YESTERDAY        T             3.52 1961   0.12  -0.12     0.02
  MONTH TO DATE    2.44                      2.84  -0.40     1.32
  SINCE SEP 1      2.44                      2.84  -0.40     1.32
  SINCE JAN 1     21.37                     29.21  -7.84    29.08

SNOWFALL (IN)
  YESTERDAY        0.0           T    1928   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                         6     -6        0
  MONTH TO DATE   57                        81    -24       36
  SINCE SEP 1     57                        81    -24       36
  SINCE JUL 1     88                        98    -10       51

 COOLING
  YESTERDAY        1                         1      0        1
  MONTH TO DATE   59                        67     -8       90
  SINCE SEP 1     59                        67     -8       90
  SINCE JAN 1    812                       719     93      744
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          12:00 AM
 LOWEST     59           2:00 PM
 AVERAGE    78

..........................................................


THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        92      2017
 MINIMUM TEMPERATURE (F)   49        30      1947


SUNRISE AND SUNSET
SEPTEMBER 26 2025.....SUNRISE   7:34 AM EDT   SUNSET   7:32 PM EDT
SEPTEMBER 27 2025.....SUNRISE   7:35 AM EDT   SUNSET   7:30 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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