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

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
000
CXUS53 KGRR 030134 RRA
CLAGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
757 PM EST SUN JAN 02 2022

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE YEAR OF 2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2022

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            108   07/13/1936
 LOW             -24   02/14/1899
                       02/13/1899
HIGHEST           92   08/24         93      -1       94  07/03
                       08/28
                       08/29
                                                          07/07
LOWEST           -12   02/17         -6      -6        4  02/14
                                                          02/15
AVG. MAXIMUM    59.9               58.2     1.7     59.1
AVG. MINIMUM    41.7               40.5     1.2     41.2
MEAN            50.8               49.3     1.5     50.1
DAYS MAX >= 90     7                9.9    -2.9       17
DAYS MAX <= 32    36               50.5   -14.5       15
DAYS MIN <= 32   133              133.1    -0.1       93
DAYS MIN <= 0      2                4.4    -2.4        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       51.37   2019
 MINIMUM       20.92   1930
TOTALS         38.04              39.40   -1.36    37.44
DAILY AVG.      0.10               0.11   -0.01     0.10
DAYS >= .01      149              148.7     0.3       33
DAYS >= .10       74               81.1    -7.1       19
DAYS >= .50       20               23.5    -3.5        4
DAYS >= 1.00      10                8.3     1.7        1
GREATEST
 24 HR. TOTAL   3.48

SNOWFALL (INCHES)
RECORDS
 TOTAL         143.7   2008
 24 HR TOTAL    16.1   01/26/2007 TO 01/26/1978
 SNOW DEPTH       27   01/27/1978
TOTALS          60.6               77.6   -17.0     37.7
SINCE 7/1       19.8               28.2    -8.4       MM
SNOWDEPTH AVG.     1                                   1
DAYS >= TRACE     78               50.9    27.1       21
DAYS >= 1.0       23               23.5    -0.5        3
GREATEST
 SNOW DEPTH       14   02/16                           6  01/21
                                                          01/19
                                                          01/20


DEGREE DAYS
HEATING TOTAL   5932               6408    -476     6146
 SINCE 7/1      2039               2387    -348       MM
COOLING TOTAL    893                732     161      832
 SINCE 1/1       893                733     160       MM

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        10/24
LATEST                          05/07
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
RESULTANT WIND SPEED/DIRECTION   2/240
HIGHEST WIND SPEED/DIRECTION    46/260    DATE  08/10
HIGHEST GUST SPEED/DIRECTION    62/260    DATE  08/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   50
AVERAGE SKY COVER           0.63
NUMBER OF DAYS FAIR           71
NUMBER OF DAYS PC            155
NUMBER OF DAYS CLOUDY        139

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             40     MIXED PRECIP               0
HEAVY RAIN               30     RAIN                      45
LIGHT RAIN              138     FREEZING RAIN              0
LT FREEZING RAIN         11     HAIL                       0
HEAVY SNOW                7     SNOW                      16
LIGHT SNOW               73     SLEET                      4
FOG                     198     FOG W/VIS <= 1/4 MILE     21
HAZE                     53

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

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.