Climatological Report (Daily)
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180
CDUS43 KGRR 150548
CLIMKG

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1248 AM EST MON DEC 15 2025

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

...THE MUSKEGON CLIMATE SUMMARY FOR DECEMBER 14 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1896 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         22  11:59 PM  59    2015  38    -16       35
  MINIMUM          8   2:24 AM   1    1917  27    -19       12
                                      2017
  AVERAGE         15                        32    -17       24

PRECIPITATION (IN)
  YESTERDAY        0.13          0.80 1907   0.08   0.05     0.10
                                      1975
  MONTH TO DATE    2.21                      1.17   1.04     0.88
  SINCE DEC 1      2.21                      1.17   1.04     0.88
  SINCE JAN 1     26.39                     33.83  -7.44    34.03

SNOWFALL (IN)
  YESTERDAY        3.8           7.5  1989   0.7    3.1      0.0
  MONTH TO DATE   22.5                       9.0   13.5     15.2
  SINCE DEC 1     22.5                       9.0   13.5     15.2
  SINCE JUL 1     39.9                      15.5   24.4     16.3
  SNOW DEPTH      12

DEGREE DAYS
 HEATING
  YESTERDAY       50                        33     17       41
  MONTH TO DATE  575                       436    139      477
  SINCE DEC 1    575                       436    139      477
  SINCE JUL 1   1789                      1709     80     1406

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    759                       650    109      759
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     9.4


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  SNOW
  LIGHT SNOW
  FOG
  BLOWING SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           2:00 PM
 LOWEST     73           7:00 AM
 AVERAGE    81

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


THE MUSKEGON CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        63      2021
 MINIMUM TEMPERATURE (F)   26        -2      1943


SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE   8:10 AM EST   SUNSET   5:10 PM EST
DECEMBER 16 2025......SUNRISE   8:11 AM EST   SUNSET   5:11 PM EST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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