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

000
CXUS53 KGRR 011509
CLMGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1109 AM EDT THU JUN 01 2023

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE MONTH OF MAY 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             95   05/31/1934
 LOW              21   05/01/1903
HIGHEST           90   05/30         85       5       87  05/11
                       05/31
                                                          05/12
                                                          05/31
LOWEST            36   05/01         31       5       36  05/08
AVG. MAXIMUM    71.6               69.8     1.8     71.2
AVG. MINIMUM    46.2               48.6    -2.4     51.7
MEAN            58.9               59.2    -0.3     61.5
DAYS MAX >= 90     2                0.4     1.6        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          0.84               4.00   -3.16     4.07
DAILY AVG.      0.03               0.13   -0.10     0.13
DAYS >= .01        7               12.5    -5.5       11
DAYS >= .10        3                7.8    -4.8        7
DAYS >= .50        0                2.3    -2.3        4
DAYS >= 1.00       0                0.8    -0.8        1
GREATEST
 24 HR. TOTAL   0.44   05/06 TO 05/07

SNOWFALL (INCHES)
RECORDS
 TOTAL           5.5   1923
 SNOW DEPTH        T   MM
TOTALS             T                0.0     0.0      0.0
SINCE 7/1      110.7               77.6    33.1       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      2                0.0     2.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL    211                225     -14      190
 SINCE 7/1      5918               6369    -451       MM
COOLING TOTAL     28                 45     -17       88
 SINCE 1/1        40                 51     -11       MM

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        10/08
LATEST                          04/28
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
RESULTANT WIND SPEED/DIRECTION   1/070
HIGHEST WIND SPEED/DIRECTION    29/300    DATE  05/02
HIGHEST GUST SPEED/DIRECTION    41/300    DATE  05/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   57
AVERAGE SKY COVER           0.56
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       0
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      1
FOG                       5     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.

$$