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

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CXUS53 KGRR 051952 CCA
CLSGRR

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
825 PM EDT SAT SEP 2 2017

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

...THE GRAND RAPIDS MI (ASOS) CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2017 TO 8/31/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2017

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            93   06/12        93       0       93  06/18
LOWEST             46   06/02        41       5       45  06/09
AVG. MAXIMUM     80.8              80.8     0.0     83.5
AVG. MINIMUM     59.7              60.3    -0.6     61.9
MEAN             70.3              70.6    -0.3     72.7
DAYS MAX >= 90      5               7.8    -2.8       18
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           7.72             11.14   -3.42    14.74
DAILY AVG.       0.09              0.12   -0.03     0.16
DAYS >= .01        31              29.4     1.6       31
DAYS >= .10        20              18.2     1.8       20
DAYS >= .50         4               7.6    -3.6       10
DAYS >= 1.00        1               3.0    -2.0        5
GREATEST
 24 HR. TOTAL    1.68   06/17 TO 06/17

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0   MM
 24 HR TOTAL      0.0   MM
 SNOW DEPTH         0   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      38                65     -27       21
 SINCE 7/1         16                20      -4        0
COOLING TOTAL     542               578     -36      760
 SINCE 1/1        572               625     -53      831

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

WIND (MPH)
AVERAGE WIND SPEED              8.1
RESULTANT WIND SPEED/DIRECTION   3/245
HIGHEST WIND SPEED/DIRECTION    43/330    DATE  07/07
HIGHEST GUST SPEED/DIRECTION    58/330    DATE  07/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   68
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             64
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             19     MIXED PRECIP               0
HEAVY RAIN               11     RAIN                      15
LIGHT RAIN               40     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      41     FOG W/VIS <= 1/4 MILE      5
HAZE                      6

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

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