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

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CXUS53 KGRR 011724
CLSGRR

WRKCLMGRR 000
TTAA00 KGRR 011723


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1258 PM EDT MON JUN 1 2020

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

...THE GRAND RAPIDS MI (ASOS) CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2020 TO 5/31/2020...

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              95   05/31/1934
 LOW              -13   03/08/1943
HIGHEST            90   05/26        85       5       79  05/31
LOWEST             17   03/07         6      11        8  03/08
AVG. MAXIMUM     56.0              57.4    -1.4     54.9
AVG. MINIMUM     36.9              37.5    -0.6     36.4
MEAN             46.5              47.4    -0.9     45.6
DAYS MAX >= 90      1               0.3     0.7        0
DAYS MAX <= 32      0               4.3    -4.3        5
DAYS MIN <= 32     37              31.0     6.0       31
DAYS MIN <= 0       0               0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        16.37   1976
 MINIMUM         3.72   1936
TOTALS          11.58              9.70    1.88    12.24
DAILY AVG.       0.13              0.11    0.02     0.13
DAYS >= .01        44              35.7     8.3       47
DAYS >= .10        21              20.5     0.5       30
DAYS >= .50         8               5.5     2.5        7
DAYS >= 1.00        3               1.8     1.2        2
GREATEST
 24 HR. TOTAL    1.62   05/17 TO 05/17

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            5.0              10.1    -5.1     12.8
SINCE 7/1        53.5              74.9   -21.4     81.3
SNOWDEPTH AVG.      0                MM      MM        1
DAYS >= TRACE      20               8.5    11.5       20
DAYS >= 1.0         2               2.7    -0.7        4
GREATEST
 SNOW DEPTH         3   03/23                          6  03/08
                                                          03/06
                                                          03/07
 24 HR TOTAL      2.1   03/23 TO 03/23

DEGREE_DAYS
HEATING TOTAL    1723              1664      59     1769
 SINCE 7/1         MM              6440      MM       MM
COOLING TOTAL      50                46       4        6
 SINCE 1/1         50                47       3        6

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

WIND (MPH)
AVERAGE WIND SPEED              9.8
RESULTANT WIND SPEED/DIRECTION   1/259
HIGHEST WIND SPEED/DIRECTION    40/220    DATE  03/29
HIGHEST GUST SPEED/DIRECTION    57/230    DATE  03/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   52
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             44
NUMBER OF DAYS CLOUDY         36

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH

THUNDERSTORM              8     MIXED PRECIP                0
HEAVY RAIN               10     RAIN                        16
LIGHT RAIN               45     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        1
HEAVY SNOW                0     SNOW                        5
LIGHT SNOW               18     SLEET                       0
FOG                      45     FOG W/VIS <= 1/4 MILE       4
HAZE                     18     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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