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

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CXUS53 KGRR 011149
CLMGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
732 AM EDT TUE SEP 1 2015

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2015

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            91   08/02        90       1       88  08/04
                                                          08/03
LOWEST             51   08/28        45       6       46  08/15
                        08/27
AVG. MAXIMUM     78.7              80.6    -1.9     80.8
AVG. MINIMUM     60.6              61.0    -0.4     61.1
MEAN             69.6              70.8    -1.2     71.0
DAYS MAX >= 90      1               2.3    -1.3        0
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           3.75              3.59    0.16     3.68
DAILY AVG.       0.12              0.12    0.00     0.12
DAYS >= .01        12               9.6     2.4        8
DAYS >= .10         7               6.1     0.9        5
DAYS >= .50         3               2.6     0.4        2
DAYS >= 1.00        1               0.9     0.1        1
GREATEST
 24 HR. TOTAL    1.22   08/10 TO 08/10

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   MM

DEGREE_DAYS
HEATING TOTAL      16                14       2       10
 SINCE 7/1         29                20       9       19
COOLING TOTAL     168               194     -26      204
 SINCE 1/1        507               625    -118      560

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

WIND (MPH)
AVERAGE WIND SPEED              7.8
RESULTANT WIND SPEED/DIRECTION   4/233
HIGHEST WIND SPEED/DIRECTION    37/240    DATE  08/02
HIGHEST GUST SPEED/DIRECTION    45/230    DATE  08/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   51
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       7
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      3
HAZE                      7

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

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