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000
CXUS53 KGRR 021240
CLSGRR

WRKCLSGRR 000
TTAA00 GRR 011107

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

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

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

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             98   09/02/1913
                       09/16/1899
 LOW             -10   11/25/1950
HIGHEST           86   09/07         87      -1       85  09/03
LOWEST            18   11/23         16       2       22  11/14
AVG. MAXIMUM    62.3               60.6     1.7     60.7
AVG. MINIMUM    45.0               42.7     2.3     41.7
MEAN            53.7               51.6     2.1     51.2
DAYS MAX >= 90     0                0.7    -0.7       MM
DAYS MAX <= 32     2                2.4    -0.4       MM
DAYS MIN <= 32    20               20.2    -0.2       MM
DAYS MIN <= 0      0                0.0     0.0       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       18.11   1911
 MINIMUM        2.59   1956
TOTALS         12.00              10.55    1.45     8.01
DAILY AVG.      0.13               0.12    0.01     0.09
DAYS >= .01       40               35.6     4.4       MM
DAYS >= .10       23               21.0     2.0       MM
DAYS >= .50        9                6.5     2.5       MM
DAYS >= 1.00       4                2.4     1.6       MM
GREATEST
 24 HR. TOTAL   1.66   10/24 TO 10/25

SNOWFALL (INCHES)
RECORDS
 TOTAL          31.0   2014
 24 HR TOTAL    10.4   11/03/1991 TO 11/03/1991
 SNOW DEPTH       11   11/21/2000
                       11/07/1951
TOTALS           9.7                7.4     2.3      0.4
SINCE 7/1        9.7                7.4     2.3       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE     14                4.9     9.1       MM
DAYS >= 1.0        4                2.1     1.9       MM
GREATEST
 SNOW DEPTH        4   11/30                           0  MM
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL   1101               1296    -195     1274
 SINCE 7/1      1101               1313    -212       MM
COOLING TOTAL     93                 81      12       39
 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              8.5
RESULTANT WIND SPEED/DIRECTION   2/230
HIGHEST WIND SPEED/DIRECTION    35/300    DATE  11/21
HIGHEST GUST SPEED/DIRECTION    49/300    DATE  11/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   49
AVERAGE SKY COVER           0.64
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC             33
NUMBER OF DAYS CLOUDY         38

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN               11     RAIN                      15
LIGHT RAIN               46     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               14     SLEET                      0
FOG                      55     FOG W/VIS <= 1/4 MILE      6
HAZE                      3

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

$$