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

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039
CDUS43 KGRR 130620
CLIGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
220 AM EDT SUN SEP 13 2026

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 12 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         84   2:53 PM  95    1952  76      8       82
  MINIMUM         59  12:12 AM  37    1964  55      4       53
  AVERAGE         72                        65      7       68

PRECIPITATION (IN)
  YESTERDAY        0.00          1.54 1896   0.10  -0.10     0.00
  MONTH TO DATE    1.06                      1.30  -0.24     0.58
  SINCE SEP 1      1.06                      1.30  -0.24     0.58
  SINCE JAN 1     30.08                     27.67   2.41    19.51

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      MM

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE    2                        21    -19       57
  SINCE SEP 1      2                        21    -19       57
  SINCE JUL 1      4                        38    -34       88

 COOLING
  YESTERDAY        7                         3      4        3
  MONTH TO DATE   74                        43     31        6
  SINCE SEP 1     74                        43     31        6
  SINCE JAN 1    754                       695     59      759
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     7.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           3:00 AM
 LOWEST     49           3:00 PM
 AVERAGE    71

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


THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        95      1939
                                             1952
 MINIMUM TEMPERATURE (F)   54        35      1975


SUNRISE AND SUNSET
SEPTEMBER 13 2026.....SUNRISE   7:20 AM EDT   SUNSET   7:55 PM EDT
SEPTEMBER 14 2026.....SUNRISE   7:21 AM EDT   SUNSET   7:54 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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