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CXUS53 KGRR 021534
CLMGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1134 AM EDT MON JUN 02 2025

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2025

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              21   05/01/1903
HIGHEST           85   05/15         85       0       85  05/19
LOWEST            33   05/09         31       2       40  05/12
AVG. MAXIMUM    67.4               69.8    -2.4     73.5
AVG. MINIMUM    46.6               48.6    -2.0     50.8
MEAN            57.0               59.2    -2.2     62.1
DAYS MAX >= 90     0                0.4    -0.4        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.9    -0.9        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.01   2001
 MINIMUM        0.72   1936
TOTALS          3.35               4.00   -0.65     3.16
DAILY AVG.      0.11               0.13   -0.02     0.10
DAYS >= .01       12               12.5    -0.5       15
DAYS >= .10        8                7.8     0.2       11
DAYS >= .50        3                2.3     0.7        1
DAYS >= 1.00       0                0.8    -0.8        0
GREATEST
 24 HR. TOTAL   0.69   05/04 TO 05/05

SNOWFALL (INCHES)
RECORDS
 TOTAL           5.5   1923
 SNOW DEPTH        T   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1       63.8               77.6   -13.8       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    259                225      34      108
 SINCE 7/1      5978               6369    -391       MM
COOLING TOTAL     20                 45     -25       29
 SINCE 1/1        20                 51     -31       MM

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        10/27
LATEST                          04/25
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
RESULTANT WIND SPEED/DIRECTION   2/030
HIGHEST WIND SPEED/DIRECTION    44/260    DATE  05/15
HIGHEST GUST SPEED/DIRECTION    61/250    DATE  05/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.58
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     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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