Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KGRR 011511
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WRKCLSMKG 000
TTAA00 GRR 011509

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1007 AM EST TUE MAR 01 2022

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

...THE MUSKEGON CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2021 TO 2/28/2022...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1896 TO 2022

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             67   02/11/1999
 LOW             -30   02/11/1899
HIGHEST           63   12/15         52      11       54  12/10
                                                          12/23
LOWEST             2   01/16                  3       -9  02/17
AVG. MAXIMUM    35.5               34.8     0.7     33.8
AVG. MINIMUM    21.9               22.6    -0.7     22.4
MEAN            28.7               28.7    -0.0     28.1
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    34               39.1    -5.1       34
DAYS MIN <= 32    80               77.3     2.7       77
DAYS MIN <= 0      0                2.3    -2.3        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       13.42   2009
 MINIMUM        1.38   2003
TOTALS          5.55               6.95   -1.40     5.71
DAILY AVG.      0.06               0.08   -0.02     0.06
DAYS >= .01       52               44.1     7.9       44
DAYS >= .10       18               19.1    -1.1       17
DAYS >= .50        1                2.8    -1.8        2
DAYS >= 1.00       0                0.8    -0.8        1
GREATEST
 24 HR. TOTAL   0.99

SNOWFALL (INCHES)
RECORDS
 TOTAL         140.6   1977
 SNOW DEPTH       34   12/20/1963
TOTALS          42.5               71.4   -28.9     40.4
SINCE 7/1       48.1               77.9   -29.8       MM
SNOWDEPTH AVG.     3                                   4
DAYS >= TRACE     57               37.0    20.0       MM
DAYS >= 1.0       12               21.7    -9.7       MM
GREATEST
 SNOW DEPTH       14   01/07                          16  02/22

DEGREE DAYS
HEATING TOTAL   3237               3264     -27     3279
 SINCE 7/1      4239               4536    -297       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM

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

WIND (MPH)
AVERAGE WIND SPEED              11.2
RESULTANT WIND SPEED/DIRECTION   2/230
HIGHEST WIND SPEED/DIRECTION    39/220    DATE  12/11
HIGHEST GUST SPEED/DIRECTION    63/190    DATE  12/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.81
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             25
NUMBER OF DAYS CLOUDY         60

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       7
LIGHT RAIN               23     FREEZING RAIN              0
LT FREEZING RAIN          5     HAIL                       0
HEAVY SNOW                3     SNOW                      13
LIGHT SNOW               56     SLEET                      0
FOG                      43     FOG W/VIS <= 1/4 MILE      5
HAZE                     24

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

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