Climatological Report (Monthly)
Issued by NWS

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CXUS53 KGRR 011245
CLMMKG


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
837 AM EDT TUE OCT 1 2019

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

...THE MUSKEGON MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1896 TO 2019

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            85   09/11        85       0       87  09/16
LOWEST             47   09/05        35      12       43  09/30
AVG. MAXIMUM     74.1              71.3     2.8     75.2
AVG. MINIMUM     58.6              52.8     5.8     56.7
MEAN             66.3              62.1     4.2     65.9
DAYS MAX >= 90      0               0.0     0.0        0
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           5.85              3.89    1.96     4.51
DAILY AVG.       0.19              0.13    0.06     0.15
DAYS >= .01        11              10.1     0.9       10
DAYS >= .10         6               6.7    -0.7        7
DAYS >= .50         4               2.6     1.4        4
DAYS >= 1.00        3               0.8     2.2        2
GREATEST
 24 HR. TOTAL    1.56   09/10 TO 09/10

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   1994
                        1991
                        1983
 24 HR TOTAL        T   MM
 SNOW DEPTH         0   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   09/30 TO 09/30

DEGREE_DAYS
HEATING TOTAL      38               143    -105       80
 SINCE 7/1         42               173    -131       82
COOLING TOTAL      87                54      33      114
 SINCE 1/1        632               561      71      891

FREEZE DATES
RECORD
 EARLIEST     09/22/1976
 LATEST       06/22/1992
EARLIEST                        10/14
LATEST                          05/04
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
RESULTANT WIND SPEED/DIRECTION   2/185
HIGHEST WIND SPEED/DIRECTION    37/170    DATE  09/27
HIGHEST GUST SPEED/DIRECTION    57/160    DATE  09/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP                0
HEAVY RAIN                5     RAIN                        6
LIGHT RAIN               15     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        0
LIGHT SNOW                0     SLEET                       0
FOG                      17     FOG W/VIS <= 1/4 MILE       2
HAZE                      3     BLOWING SNOW                0
TORNADO                   0

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

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