Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KGRR 030027
CLSMKG

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
827 PM EDT SAT SEP 2 2017

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

...THE MUSKEGON MI CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2017 TO 8/31/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1896 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              99   07/06/2012
                        08/03/1964
                        07/30/1913
 LOW               31   06/11/1972
HIGHEST            90   06/14        90       0       90  07/23
LOWEST             45   06/01        41       4       43  06/09
                                                          06/08
AVG. MAXIMUM     79.1              78.4     0.7     80.7
AVG. MINIMUM     59.7              59.9    -0.2     61.2
MEAN             69.4              69.1     0.3     70.9
DAYS MAX >= 90      1               1.7    -0.7        1
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        19.15   1905
 MINIMUM         3.00   1930
TOTALS           6.68              8.31   -1.63    11.22
DAILY AVG.       0.07              0.09   -0.02     0.12
DAYS >= .01        27              27.5    -0.5       31
DAYS >= .10        16              16.3    -0.3       19
DAYS >= .50         4               5.8    -1.8        7
DAYS >= 1.00        1               1.7    -0.7        2
GREATEST
 24 HR. TOTAL    1.24   06/28 TO 06/28

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0   MM
 24 HR TOTAL      0.0   MM
 SNOW DEPTH        MM   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   MM

DEGREE_DAYS
HEATING TOTAL      47                96     -49       47
 SINCE 7/1         13                30     -17        9
COOLING TOTAL     472               478      -6      620
 SINCE 1/1        494               507     -13      664

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

WIND (MPH)
AVERAGE WIND SPEED              7.7
RESULTANT WIND SPEED/DIRECTION   3/242
HIGHEST WIND SPEED/DIRECTION    36/330    DATE  07/07
HIGHEST GUST SPEED/DIRECTION    44/330    DATE  07/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             64
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             16     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      13
LIGHT RAIN               42     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      42     FOG W/VIS <= 1/4 MILE      5
HAZE                      0

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

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