423
CXUS53 KGRR 011012
CLMMKG

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
612 AM EDT TUE OCT 01 2024

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

...THE MUSKEGON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1896 TO 2024

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              27   09/28/1991
                       09/27/1989
HIGHEST           90   09/14         85       5       92  09/05
                       09/16
LOWEST            42   09/08         35       7       46  09/19
AVG. MAXIMUM    79.3               73.4     5.9     76.2
AVG. MINIMUM    54.7               53.5     1.2     57.5
MEAN            67.0               63.5     3.5     66.8
DAYS MAX >= 90     2                0.2     1.8        1
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.2    -0.2        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       13.55   1986
 MINIMUM        0.17   1979
TOTALS          4.89               3.26    1.63     1.50
DAILY AVG.      0.16               0.11    0.05     0.05
DAYS >= .01        4                9.4    -5.4        5
DAYS >= .10        2                5.8    -3.8        2
DAYS >= .50        1                2.3    -1.3        2
DAYS >= 1.00       1                0.7     0.3        0
GREATEST
 24 HR. TOTAL   4.43   09/24 TO 09/24

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   1994
 SNOW DEPTH        0   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL     37                116     -79       45
 SINCE 7/1        51                139     -88       MM
COOLING TOTAL    106                 70      36      107
 SINCE 1/1       753                643     110       MM

FREEZE DATES
RECORD
 EARLIEST     09/22/1976
 LATEST       06/22/1992
EARLIEST                        MM
LATEST                          04/25
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
RESULTANT WIND SPEED/DIRECTION   1/040
HIGHEST WIND SPEED/DIRECTION    24/340    DATE  09/07
HIGHEST GUST SPEED/DIRECTION    34/340    DATE  09/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.38
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     65

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

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

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