Climatological Report (Monthly)
Issued by NWS Grand Rapids, MI

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CXUS53 KGRR 011236
CLMGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
827 AM EDT SUN SEP 1 2013

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             102   08/06/1918
 LOW               39   08/30/1976
HIGHEST            92   08/27        90       2       93  08/03
LOWEST             48   08/15        45       3       48  08/18
AVG. MAXIMUM     80.6              80.6     0.0     82.0
AVG. MINIMUM     59.5              61.0    -1.5     59.7
MEAN             70.1              70.8    -0.7     70.8
DAYS MAX >= 90      1               2.3    -1.3        4
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         8.46   1987
 MINIMUM         0.13   1899
TOTALS           1.90              3.59   -1.69     3.34
DAILY AVG.       0.06              0.12   -0.06     0.11
DAYS >= .01         7               9.6    -2.6        8
DAYS >= .10         4               6.1    -2.1        6
DAYS >= .50         1               2.6    -1.6        2
DAYS >= 1.00        0               0.9    -0.9        1
GREATEST
 24 HR. TOTAL    0.90   08/27 TO 08/28

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   1993
 24 HR TOTAL        T   MM
 SNOW DEPTH         T   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

DEGREE_DAYS
HEATING TOTAL      15                14       1        9
 SINCE 7/1         26                20       6        9
COOLING TOTAL     181               194     -13      197
 SINCE 1/1        670               625      45      962

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        10/13
LATEST                          05/02
..................................................

WIND (MPH)
AVERAGE WIND SPEED              6.1
RESULTANT WIND SPEED/DIRECTION   2/249
HIGHEST WIND SPEED/DIRECTION    29/310    DATE  08/21
HIGHEST GUST SPEED/DIRECTION    39/280    DATE  08/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   72
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       6
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      1
HAZE                     11

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

$$

EBW





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