National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

165
CXUS53 KGRR 041838
CLABIV

WRKCLABIV 000
TTAA00 GRR 041829

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
125 PM EST MON JAN 04 2021

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

...THE HOLLAND CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
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            102   MM
 LOW             -14   02/20/2015
HIGHEST           93   06/09         MM      MM       92  07/19
LOWEST             4   02/15         MM      MM      -13  01/21
AVG. MAXIMUM    59.0               58.5     0.5     56.7
AVG. MINIMUM    42.2               41.5     0.7     40.7
MEAN            50.6               50.0     0.6     48.7
DAYS MAX >= 90     8                6.4     1.6        4
DAYS MAX <= 32    23               40.2   -17.2       45
DAYS MIN <= 32    83              115.1   -32.1      125
DAYS MIN <= 0      0                1.4    -1.4        5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM          MM   MM
 MINIMUM          MM   MM
TOTALS         33.50              36.46   -2.96    41.84
DAILY AVG.      0.09               0.10   -0.01     0.12
DAYS >= .01       44                 MM      MM      151
DAYS >= .10       13                 MM      MM       87
DAYS >= .50        3                 MM      MM       28
DAYS >= 1.00       2                 MM      MM        9
GREATEST
 24 HR. TOTAL   2.26   05/17 TO 05/18


DEGREE DAYS
HEATING TOTAL   5922               6158    -236     6518
 SINCE 7/1      2172               2268     -96     2300
COOLING TOTAL    772                693      79      689
 SINCE 1/1       772                693      79      689

FREEZE DATES
EARLIEST                        10/26
LATEST                          05/09
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
RESULTANT WIND SPEED/DIRECTION   3/240
HIGHEST WIND SPEED/DIRECTION    39/260    DATE  11/15
HIGHEST GUST SPEED/DIRECTION    73/260    DATE  06/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.46
NUMBER OF DAYS FAIR           MM
NUMBER OF DAYS PC             MM
NUMBER OF DAYS CLOUDY         MM

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             18     MIXED PRECIP               0
HEAVY RAIN               35     RAIN                      48
LIGHT RAIN              116     FREEZING RAIN              1
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                4     SNOW                       9
LIGHT SNOW               54     SLEET                      0
FOG                     153     FOG W/VIS <= 1/4 MILE     15
HAZE                     32

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

$$