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

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CXUS53 KGRR 011305
CLMGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
905 AM EDT FRI SEP 01 2023

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2023

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   08/23         90       1       89  08/06
                       08/24
LOWEST            47   08/31         45       2       52  08/12
AVG. MAXIMUM    78.8               80.9    -2.1     81.0
AVG. MINIMUM    59.7               61.2    -1.5     61.9
MEAN            69.3               71.1    -1.8     71.4
DAYS MAX >= 90     2                1.9     0.1        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          2.93               3.55   -0.62     4.98
DAILY AVG.      0.09               0.11   -0.02     0.16
DAYS >= .01        7                9.9    -2.9        9
DAYS >= .10        6                6.1    -0.1        5
DAYS >= .50        3                2.6     0.4        4
DAYS >= 1.00       1                0.9     0.1        1
GREATEST
 24 HR. TOTAL   1.50   08/14 TO 08/15

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   1993
 SNOW DEPTH        T   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL     14                 12       2        7
 SINCE 7/1        14                 11       3       MM
COOLING TOTAL    155                200     -45      214
 SINCE 1/1       568                652     -84       MM

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        MM
LATEST                          04/27
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.9
RESULTANT WIND SPEED/DIRECTION   1/290
HIGHEST WIND SPEED/DIRECTION    39/330    DATE  08/24
HIGHEST GUST SPEED/DIRECTION    49/330    DATE  08/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   57
AVERAGE SKY COVER           0.49
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       5
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

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

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