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Climatological Report (Seasonal)
Issued by NWS
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CXUS53 KGRR 021243
CLSMKG

WRKCLSMKG 000
TTAA00 GRR 011107

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
603 AM EST WED DEC 01 2021

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

...THE MUSKEGON CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2021 TO 11/30/2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1896 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             95   09/06/1954
                       09/01/1953
 LOW             -14   11/25/1950
HIGHEST           87   09/19         85       2       81  09/03
LOWEST            19   11/23         18       1       24  11/18
AVG. MAXIMUM    63.0               60.6     2.4     61.4
AVG. MINIMUM    46.7               43.6     3.1     44.3
MEAN            54.8               52.1     2.7     52.9
DAYS MAX >= 90     0                0.2    -0.2        0
DAYS MAX <= 32     2                2.0     0.0        0
DAYS MIN <= 32    14               18.8    -4.8       10
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       17.29   1988
 MINIMUM        2.91   1956
TOTALS          7.01               9.98   -2.97     8.35
DAILY AVG.      0.08               0.11   -0.03     0.09
DAYS >= .01       41               35.5     5.5       MM
DAYS >= .10       22               20.7     1.3       MM
DAYS >= .50        1                6.4    -5.4       MM
DAYS >= 1.00       0                1.9    -1.9       MM
GREATEST
 24 HR. TOTAL   0.77   10/24 TO 10/25

SNOWFALL (INCHES)
RECORDS
 TOTAL          25.7   1995
 24 HR TOTAL    16.0   11/14/1908 TO 11/14/1908
 SNOW DEPTH       16   11/14/1908
TOTALS           5.6                6.5    -0.9      1.2
SINCE 7/1        5.6                6.5    -0.9       MM
SNOWDEPTH AVG.     0                                  -1
DAYS >= TRACE     13                4.3     8.7        6
DAYS >= 1.0        2                2.0     0.0        1
GREATEST
 SNOW DEPTH        2   11/30                           0  MM
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL    999               1251    -252     1129
 SINCE 7/1      1002               1272    -270       MM
COOLING TOTAL    101                 77      24       44
 SINCE 1/1       841                650     191       MM

FREEZE DATES
RECORD
 EARLIEST     09/22/1976
 LATEST       06/22/1992
EARLIEST                        10/27
LATEST                          05/13
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
RESULTANT WIND SPEED/DIRECTION   2/230
HIGHEST WIND SPEED/DIRECTION    33/300    DATE  11/21
HIGHEST GUST SPEED/DIRECTION    54/300    DATE  11/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.63
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC             31
NUMBER OF DAYS CLOUDY         38

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      15
LIGHT RAIN               44     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               13     SLEET                      0
FOG                      46     FOG W/VIS <= 1/4 MILE      3
HAZE                      4

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

$$
National Weather Service Weather Forecast Office
