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

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CXUS53 KGRR 020036
CLSGRR

WRKCLSGRR 000
TTAA00 GRR 020025

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
819 PM EDT TUE JUN 01 2021

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2021 TO 5/31/2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             95   05/31/1934
 LOW             -13   03/08/1943
HIGHEST           86   05/21         85       1       MM
                       05/22
                       05/25
LOWEST            13   03/02          6       7       MM
AVG. MAXIMUM    60.3               57.4     2.9       MM
AVG. MINIMUM    37.8               37.6     0.2       MM
MEAN            49.1               47.5     1.6       MM
DAYS MAX >= 90     0                0.4    -0.4       MM
DAYS MAX <= 32     0                5.0    -5.0       MM
DAYS MIN <= 32    31               33.2    -2.2       MM
DAYS MIN <= 0      0                0.3    -0.3       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       16.37   1976
 MINIMUM        3.72   1936
TOTALS          5.34              10.38   -5.04       MM
DAILY AVG.      0.06               0.11   -0.05       MM
DAYS >= .01       27               37.1   -10.1       MM
DAYS >= .10       14               21.7    -7.7       MM
DAYS >= .50        3                6.1    -3.1       MM
DAYS >= 1.00       1                2.1    -1.1       MM
GREATEST
 24 HR. TOTAL   1.34

SNOWFALL (INCHES)
RECORDS
 TOTAL          41.4   1965
 24 HR TOTAL    13.6   03/02/2002 TO 03/02/2002
 SNOW DEPTH       20   03/02/2014
TOTALS           0.3                9.6    -9.3       MM
SINCE 7/1       46.1               77.6   -31.5       MM
SNOWDEPTH AVG.     T                                  MM
DAYS >= TRACE      9                8.0     1.0       MM
DAYS >= 1.0        0                2.6    -2.6       MM
GREATEST
 SNOW DEPTH        0                                  MM
 24 HR TOTAL     0.3

DEGREE DAYS
HEATING TOTAL   1500               1662    -162       MM
 SINCE 7/1      6144               6369    -225       MM
COOLING TOTAL     62                 51      11       MM
 SINCE 1/1        62                 51      11       MM

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        10/18
LATEST                          05/13
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
RESULTANT WIND SPEED/DIRECTION   3/250
HIGHEST WIND SPEED/DIRECTION    36/250    DATE  05/01
HIGHEST GUST SPEED/DIRECTION    51/060    DATE  03/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   56
AVERAGE SKY COVER           0.56
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC             45
NUMBER OF DAYS CLOUDY         26

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       8
LIGHT RAIN               39     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                6     SLEET                      2
FOG                      30     FOG W/VIS <= 1/4 MILE      3
HAZE                      8

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

$$


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