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

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000
CXUS53 KGRR 011254
CLMGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
854 AM EDT SAT OCT 01 2022

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2022...

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             98   09/02/1913
                       09/16/1899
 LOW              27   09/28/1991
HIGHEST           85   09/03         87      -2       86  09/07
LOWEST            38   09/23         35       3       47  09/23
                                                          09/26
AVG. MAXIMUM    72.8               73.9    -1.1     76.3
AVG. MINIMUM    54.6               53.1     1.5     54.8
MEAN            63.7               63.5     0.2     65.6
DAYS MAX >= 90     0                0.7    -0.7        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.2    -0.2        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       11.85   1986
 MINIMUM        0.00   1979
TOTALS          1.30               3.43   -2.13     3.34
DAILY AVG.      0.04               0.11   -0.07     0.11
DAYS >= .01        8               10.2    -2.2       11
DAYS >= .10        4                6.4    -2.4        6
DAYS >= .50        0                2.2    -2.2        2
DAYS >= 1.00       0                0.8    -0.8        2
GREATEST
 24 HR. TOTAL   0.44   09/25 TO 09/25

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2003
 SNOW DEPTH        T   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL    114                118      -4       46
 SINCE 7/1       121                135     -14       MM
COOLING TOTAL     84                 73      11       70
 SINCE 1/1       797                725      72       MM

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        MM
LATEST                          04/28
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
RESULTANT WIND SPEED/DIRECTION   1/250
HIGHEST WIND SPEED/DIRECTION    26/280    DATE  09/26
HIGHEST GUST SPEED/DIRECTION    39/270    DATE  09/25
                                39/290          09/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   51
AVERAGE SKY COVER           0.56
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      1
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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