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

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CXUS53 KGRR 021514
CLSGRR

CLIMATE REPORT...RESENT AS ARBCLSGRR
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1118 AM EDT FRI SEP 2 2011

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2011 TO 8/31/2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2011

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             108   07/13/1936
 LOW               32   06/04/1945
HIGHEST            97   07/20        93       4       93  08/29
LOWEST             49   06/12        41       8       50  07/01
                                                          06/08
                                                          06/07
AVG. MAXIMUM     82.4              80.8     1.6     82.6
AVG. MINIMUM     62.9              60.3     2.6     63.8
MEAN             72.7              70.6     2.1     73.2
DAYS MAX >= 90     12               7.8     4.2        8
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        22.63   1994
 MINIMUM         3.18   1918
TOTALS          14.63             11.14    3.49    14.44
DAILY AVG.       0.16              0.12    0.04     0.16
DAYS >= .01        29              29.4    -0.4       31
DAYS >= .10        20              18.2     1.8       23
DAYS >= .50        10               7.6     2.4        9
DAYS >= 1.00        5               3.0     2.0        5
GREATEST
 24 HR. TOTAL    4.55   07/27 TO 07/28

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   MM

DEGREE_DAYS
HEATING TOTAL      25                65     -40       22
 SINCE 7/1          0                20     -20        2
COOLING TOTAL     750               578     172      801
 SINCE 1/1        814               625     189      908

FREEZE DATES
EARLIEST                        10/13
LATEST                          05/02
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
HIGHEST WIND SPEED/DIRECTION    43/250    DATE  07/11
HIGHEST GUST SPEED/DIRECTION    55/260    DATE  07/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   72
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC             51
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               17     RAIN                      16
LIGHT RAIN               33     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      4
HAZE                     36

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

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