Climatological Report (Seasonal)
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CXUS53 KGRR 021245
CLSBIV

WRKCLSBIV 000
TTAA00 GRR 011107

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
603 AM EST WED DEC 01 2021

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

...THE HOLLAND CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2021 TO 11/30/2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   09/06/1954
 LOW             -13   11/25/1950
HIGHEST           90   09/19         MM      MM       82  09/03
LOWEST            22   11/23         MM      MM       24  11/24
AVG. MAXIMUM    63.4               60.6     2.8     60.8
AVG. MINIMUM    46.3               42.9     3.4     43.2
MEAN            54.9               51.8     3.1     52.0
DAYS MAX >= 90     1                0.8     0.2       MM
DAYS MAX <= 32     1                1.7    -0.7       MM
DAYS MIN <= 32    19               16.0     3.0       MM
DAYS MIN <= 0      0                0.0     0.0       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       17.02   2019
 MINIMUM        2.80   1956
TOTALS          9.21              10.37   -1.16     8.82
DAILY AVG.      0.10               0.11   -0.01     0.10
DAYS >= .01       45               37.8     7.2       MM
DAYS >= .10       20               20.7    -0.7       MM
DAYS >= .50        6                6.4    -0.4       MM
DAYS >= 1.00       0                2.2    -2.2       MM
GREATEST
 24 HR. TOTAL   1.81   10/24 TO 10/25
 STORM TOTAL    0.91                                0.89
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL   1016               1272    -256     1194
 SINCE 7/1      1018               1296    -278       MM
COOLING TOTAL    126                 70      56       31
 SINCE 1/1       875                631     244       MM

FREEZE DATES
EARLIEST                        10/24
LATEST                          05/13
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.4
RESULTANT WIND SPEED/DIRECTION   2/230
HIGHEST WIND SPEED/DIRECTION    31/260    DATE  09/14
                                31/MM           11/11
                                31/MM           11/21
HIGHEST GUST SPEED/DIRECTION    53/330    DATE  11/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.49
NUMBER OF DAYS FAIR           37
NUMBER OF DAYS PC             25
NUMBER OF DAYS CLOUDY         29

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      19
LIGHT RAIN               43     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW               12     SLEET                      0
FOG                      50     FOG W/VIS <= 1/4 MILE      7
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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