000
CXUS53 KGRR 011618
CLMMKG


CLIMATE REPORT
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              0     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.

$$

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