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

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CXUS53 KGRR 021321 CCA
CLSGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
303 PM EST FRI DEC 01 2023

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2023 TO 11/30/2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2023

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           91   09/05         87       4       85  09/03
LOWEST            18   11/28         16       2       18  11/19
                       11/25
                                                          11/20
                                                          11/22
AVG. MAXIMUM    60.9               60.6     0.3     61.2
AVG. MINIMUM    43.7               42.7     1.0     42.3
MEAN            52.3               51.6     0.7     51.7
DAYS MAX >= 90     3                0.7     2.3        0
DAYS MAX <= 32     1                2.4    -1.4        4
DAYS MIN <= 32    18               20.2    -2.2       20
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       18.11   1911
 MINIMUM        2.59   1956
TOTALS          8.43              10.55   -2.12     7.37
DAILY AVG.      0.09               0.12   -0.03     0.08
DAYS >= .01       30               35.6    -5.6       32
DAYS >= .10       15               21.0    -6.0       21
DAYS >= .50        8                6.5     1.5        4
DAYS >= 1.00       2                2.4    -0.4        0
GREATEST
 24 HR. TOTAL   1.12

SNOWFALL (INCHES)
RECORDS
 TOTAL          31.0   2014
 SNOW DEPTH       11   11/21/2000
                       11/07/1951
TOTALS           1.9                7.4    -5.5     28.0
SINCE 7/1        1.9                7.4    -5.5       MM
SNOWDEPTH AVG.     T                                   1
DAYS >= TRACE      7                4.9     2.1       11
DAYS >= 1.0        0                2.1    -2.1        4
GREATEST
 SNOW DEPTH        0                                  10  11/19
                                                          11/20

DEGREE DAYS
HEATING TOTAL   1231               1296     -65     1267
 SINCE 7/1      1245               1313     -68       MM
COOLING TOTAL    100                 81      19       87
 SINCE 1/1       668                733     -65       MM

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        10/23
LATEST                          04/27
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
RESULTANT WIND SPEED/DIRECTION   2/220
HIGHEST WIND SPEED/DIRECTION    36/170    DATE  11/06
HIGHEST GUST SPEED/DIRECTION    47/170    DATE  11/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   39
AVERAGE SKY COVER           0.62
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             43
NUMBER OF DAYS CLOUDY         35

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN               10     RAIN                      11
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                6     SLEET                      0
FOG                      49     FOG W/VIS <= 1/4 MILE      2
HAZE                      0

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

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