000
CXUS53 KGRR 011639 CCA
CLMMKG

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1209 PM EDT MON OCT 1 2012

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

...THE MUSKEGON MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2012

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            89   09/03        85       4       90  09/01
                        09/02
LOWEST             40   09/19        35       5       38  09/16
AVG. MAXIMUM     73.4              71.3     2.1     71.3
AVG. MINIMUM     52.2              52.8    -0.6     51.8
MEAN             62.8              62.1     0.7     61.6
DAYS MAX >= 90      0               0.0     0.0        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           1.03              3.89   -2.86     3.14
DAILY AVG.       0.03              0.13   -0.10     0.10
DAYS >= .01        10              10.1    -0.1       12
DAYS >= .10         5               6.7    -1.7        7
DAYS >= .50         0               2.6    -2.6        3
DAYS >= 1.00        0               0.8    -0.8        0
GREATEST
 24 HR. TOTAL    0.26   09/04 TO 09/04

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
 LIQUID EQUIV    0.00              0.00    0.00     0.00
SINCE 7/1         0.0               0.0     0.0      0.0
 LIQUID 7/1      0.00              0.00    0.00     0.00
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     130               143     -13      153
 SINCE 7/1        142               173     -31      153
COOLING TOTAL      74                54      20       58
 SINCE 1/1        925               561     364      749

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

WIND (MPH)
AVERAGE WIND SPEED              7.9
RESULTANT WIND SPEED/DIRECTION   2/249
HIGHEST WIND SPEED/DIRECTION    35/200    DATE  09/19
HIGHEST GUST SPEED/DIRECTION    45/210    DATE  09/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

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

&&

RECORDS FOR MUSKEGON

THE 1.03 INCHES OF PRECIPITATION RECORDED THIS MONTH TIED FOR THE
8TH DRIEST SEPTEMBER ON RECORD FOR MUSKEGON.

&&

THE AVERAGE TEMPERATURES IN SEPTEMBER 2012 WERE CLOSE TO NORMAL. IT
WAS THE SECOND MONTH IN A ROW WITH NEAR NORMAL TEMPERATURES. HIGHS
WERE MOSTLY IN THE 80S DURING THE FIRST WEEK OF THE MONTH. NEAR TO
BELOW NORMAL TEMPERATURES PREVAILED DURING THE REST OF THE MONTH.
THE COLDEST PERIOD WAS FROM THE 18TH THROUGH THE 24TH... WHEN
TEMPERATURES WERE AS MUCH AS TEN DEGREES BELOW NORMAL. THE COLDEST
TEMPERATURE IN SOUTHWEST LOWER MICHIGAN WAS 24 DEGREES RECORDED ON
THE 24TH AT LEOTA. THE HIGHEST TEMPERATURE DURING SEPTEMBER WAS 95
DEGREES AT HOLLAND ON THE 3RD.

RAINFALL WAS BELOW NORMAL ACROSS ALL OF SOUTHWEST LOWER MICHIGAN.
LANSING REPORTED THE HIGHEST RAINFALL WITH 2.88 INCHES OF
PRECIPITATION. THIS WAS A HALF INCH BELOW NORMAL. MUSKEGON...
WITH ONLY AN INCH OF PRECIPITATON... WAS THE DRIEST STATION. THIS
WAS NEARLY THREE INCHES BELOW NORMAL.

AS IN AUGUST... THERE WAS A NOTEABLE LACK OF SEVERE WEATHER. THERE
WAS ONE SIGNIFICANT SEVERE STORM ESPISODE ON THE 22ND. THIS FEATURED
NUMEROUS WATER SPOUTS AND HAIL FROM A QUARTER OF AN INCH IN DIAMETER
UP TO 7/8 INCH. DAMAGING WINDS WERE ALSO REPORTED ALONG THE LAKE
SHORE BETWEEN LITTLE SABLE POINT AND GRAND HAVEN.

$$

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