Climatological Report (Annual)
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CXUS53 KGRR 042004
CLAMKG

WRKCLMMKG 000
TTAA00 KGRR 041952


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
245 PM EST MON JAN 4 2010

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

...THE MUSKEGON MI CLIMATE SUMMARY FOR THE YEAR OF 2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1895 TO 2010

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              99   08/03/1964
                        07/30/1913
 LOW              -30   02/11/1899
HIGHEST            92   06/24        90       2       89  09/02
LOWEST             -4   01/20        -1      -3       -5  02/21
AVG. MAXIMUM     55.5              55.8    -0.3     55.5
AVG. MINIMUM     39.2              38.3     0.9     38.6
MEAN             47.3              47.1     0.2     47.1
DAYS MAX >= 90      1               7.9    -6.9        0
DAYS MAX <= 32     58              47.1    10.9       64
DAYS MIN <= 32    129             139.3   -10.3      137
DAYS MIN <= 0       5               4.1     0.9        5

PRECIPITATION (INCHES)
TOTALS          38.17             32.88    5.29    45.98
DAILY AVG.       0.10              0.09    0.01     0.13
GREATEST
 24 HR. TOTAL    2.04   09/27 TO 09/28

SNOWFALL (INCHES)
TOTALS           98.4             105.5    -7.1    171.9
SINCE 7/1        33.6
SNOWDEPTH AVG.      1                 1       0        2
DAYS >= 1.0        25              28.8    -3.8       49
GREATEST
 SNOW DEPTH        22   01/18                         22  12/24
 24 HR TOTAL     14.8   01/17 TO 01/17

DEGREE_DAYS
HEATING TOTAL    6706              6943    -237     6856
 SINCE 7/1       2430              2587    -157     2506
COOLING TOTAL     379               487    -108      406
 SINCE 1/1        379               487    -108      406
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
HIGHEST WIND SPEED/DIRECTION    39/280    DATE  10/06
HIGHEST GUST SPEED/DIRECTION    61/260    DATE  08/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR          134
NUMBER OF DAYS PC            111
NUMBER OF DAYS CLOUDY        119

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             20     MIXED PRECIP               3
HEAVY RAIN               25     RAIN                      52
LIGHT RAIN              130     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       0
HEAVY SNOW                7     SNOW                      26
LIGHT SNOW               71     SLEET                      2
FOG                     193     FOG W/VIS <= 1/4 MILE     31
HAZE                     81

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

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