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

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377
CDUS43 KGRR 122127
CLIGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
527 PM EDT SUN OCT 12 2025

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR OCTOBER 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         66   3:43 PM  84    1930  63      3       66
  MINIMUM         41   4:56 AM  27    1957  43     -2       48
                                      1987
  AVERAGE         54                        53      1       57

PRECIPITATION (IN)
  TODAY            0.00          1.52 1901   0.13  -0.13     0.51
  MONTH TO DATE    0.86                      1.55  -0.69     0.51
  SINCE SEP 1      3.30                      4.98  -1.68     1.83
  SINCE JAN 1     22.23                     31.35  -9.12    29.59

SNOWFALL (IN)
  TODAY            0.0           2.0  2006   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           11                        12     -1        8
  MONTH TO DATE   81                       124    -43       88
  SINCE SEP 1    138                       242   -104      126
  SINCE JUL 1    169                       259    -90      141

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   25                         4     21        0
  SINCE SEP 1     93                        77     16      105
  SINCE JAN 1    846                       729    117      759
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (100)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     4.5


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM
 LOWEST     54           3:00 PM
 AVERAGE    77

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


THE GRAND RAPIDS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        87      1975
 MINIMUM TEMPERATURE (F)   43        24      1993


SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE   7:52 AM EDT   SUNSET   7:04 PM EDT
OCTOBER 13 2025.......SUNRISE   7:53 AM EDT   SUNSET   7:02 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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