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

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709
CDUS43 KGRR 300520
CLIGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
120 AM EDT WED SEP 30 2026

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 29 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         75   3:52 PM  93    1953  69      6       81
  MINIMUM         48   7:11 AM  29    1942  48      0       51
  AVERAGE         62                        58      4       66

PRECIPITATION (IN)
  YESTERDAY        0.00          2.22 1906   0.11  -0.11     0.00
  MONTH TO DATE    2.62                      3.31  -0.69     2.44
  SINCE SEP 1      2.62                      3.31  -0.69     2.44
  SINCE JAN 1     31.64                     29.68   1.96    21.37

SNOWFALL (IN)
  YESTERDAY        0.0           T    1967   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        3                         8     -5        0
  MONTH TO DATE   92                       110    -18       57
  SINCE SEP 1     92                       110    -18       57
  SINCE JUL 1     94                       127    -33       88

 COOLING
  YESTERDAY        0                         1     -1        1
  MONTH TO DATE   79                        71      8       66
  SINCE SEP 1     79                        71      8       66
  SINCE JAN 1    759                       723     36      819
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     5.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           5:00 AM
 LOWEST     50           2:00 PM
 AVERAGE    75

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


THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        85      1922
                                             1971
 MINIMUM TEMPERATURE (F)   48        30      1993


SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE   7:38 AM EDT   SUNSET   7:25 PM EDT
OCTOBER  1 2026.......SUNRISE   7:39 AM EDT   SUNSET   7:23 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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