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

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CXUS53 KGRR 011547
CLSGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1107 AM EDT TUE SEP 1 2020

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

...THE GRAND RAPIDS MI (ASOS) CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2020 TO 8/31/2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2020

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            94   07/07        93       1       92  07/20
                        07/03
LOWEST             42   06/14        41       1       40  06/03
                        06/01
AVG. MAXIMUM     83.6              80.8     2.8     81.2
AVG. MINIMUM     61.2              60.3     0.9     60.8
MEAN             72.4              70.6     1.8     71.0
DAYS MAX >= 90     16               7.8     8.2        7
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          10.19             11.14   -0.95    11.69
DAILY AVG.       0.11              0.12   -0.01     0.13
DAYS >= .01        27              29.4    -2.4       36
DAYS >= .10        14              18.2    -4.2       22
DAYS >= .50         9               7.6     1.4       11
DAYS >= 1.00        5               3.0     2.0        2
GREATEST
 24 HR. TOTAL    1.21   08/28 TO 08/28

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   08/31 TO 08/31

DEGREE_DAYS
HEATING TOTAL      31                65     -34       57
 SINCE 7/1          2                20     -18        8
COOLING TOTAL     743               578     165      636
 SINCE 1/1        793               625     168      642

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

WIND (MPH)
AVERAGE WIND SPEED              7.3
RESULTANT WIND SPEED/DIRECTION   2/251
HIGHEST WIND SPEED/DIRECTION    37/280    DATE  06/02
HIGHEST GUST SPEED/DIRECTION    56/270    DATE  06/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   77
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           29
NUMBER OF DAYS PC             57
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             16     MIXED PRECIP                0
HEAVY RAIN               16     RAIN                       16
LIGHT RAIN               34     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        0
LIGHT SNOW                0     SLEET                       0
FOG                      43     FOG W/VIS <= 1/4 MILE       1
HAZE                      8     BLOWING SNOW                0
TORNADO                   0
-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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