Climatological Report (Seasonal)
Issued by NWS

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000
CXUS53 KGRR 020224
CLSMKG

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
915 PM EST TUE DEC 1 2009

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

...THE MUSKEGON MI CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2009 TO 11/30/2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1895 TO 2009

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              -14   11/25/1950
HIGHEST            83   09/15        85      -2       89  09/02
                        09/10
LOWEST             27   11/12        18       9       18  11/22
                        10/18
AVG. MAXIMUM     59.9              58.2     1.7     58.9
AVG. MINIMUM     43.8              41.0     2.8     42.4
MEAN             51.8              49.6     2.2     50.7
DAYS MAX >= 90      0               0.1    -0.1        0
DAYS MAX <= 32      0               2.3    -2.3        3
DAYS MIN <= 32     13              22.3    -9.3       16
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        17.29   1988
 MINIMUM         2.91   1956
TOTALS          10.19              9.55    0.64    13.05
DAILY AVG.       0.11              0.11    0.00     0.14
DAYS >= .01        35              35.9    -0.9       39
DAYS >= .10        19              22.5    -3.5       27
DAYS >= .50         5               5.0     0.0        6
DAYS >= 1.00        3               1.6     1.4        2
GREATEST
 24 HR. TOTAL    2.04   09/27 TO 09/28

SNOWFALL (INCHES)
RECORDS
 TOTAL           25.7   1995
TOTALS              T               9.3    -9.3     14.8
SINCE 7/1           T
SNOWDEPTH AVG.      0                 0       0        0
DAYS >= 1.0         0               2.6    -2.6
GREATEST
 SNOW DEPTH         0   MM                             6  11/18
 24 HR TOTAL      0.0   11/27 TO 11/27

DEGREE_DAYS
HEATING TOTAL    1230              1423    -193     1332
 SINCE 7/1       1309              1470    -161     1340
COOLING TOTAL      53                47       6       43
 SINCE 1/1        379               487    -108      406

FREEZE DATES
EARLIEST                        10/14
LATEST                          05/04
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
HIGHEST WIND SPEED/DIRECTION    39/280    DATE  10/06
HIGHEST GUST SPEED/DIRECTION    54/280    DATE  10/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR           36
NUMBER OF DAYS PC             25
NUMBER OF DAYS CLOUDY         30

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      15
LIGHT RAIN               43     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      55     FOG W/VIS <= 1/4 MILE      7
HAZE                     16

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

$$

WDM
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