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

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CXUS53 KGRR 091134
CLMGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
634 AM EST MON NOV 9 2020

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

...THE GRAND RAPIDS MI (ASOS) CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              89   10/01/1897
 LOW               18   10/30/1988
                        10/21/1974
HIGHEST            79   10/09        79       0       77  10/01
LOWEST             25   10/31        26      -1       31  10/26
AVG. MAXIMUM     57.6              60.3    -2.7     58.1
AVG. MINIMUM     38.1              41.8    -3.7     42.2
MEAN             47.8              51.0    -3.2     50.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      5               3.4     1.6        3
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.69   2017
 MINIMUM         0.03   1952
TOTALS           2.67              3.26   -0.59     7.13
DAILY AVG.       0.09              0.11   -0.02     0.23
DAYS >= .01        14              11.8     2.2       18
DAYS >= .10         8               6.8     1.2       11
DAYS >= .50         2               2.1    -0.1        7
DAYS >= 1.00        0               0.6    -0.6        2
GREATEST
 24 HR. TOTAL    0.65   10/22 TO 10/22

SNOWFALL (INCHES)
RECORDS
 TOTAL            8.4   1967
 24 HR TOTAL      8.4   10/26/1967 TO 10/27/1967
 SNOW DEPTH         5   10/27/1967
TOTALS              T               0.5    -0.5      0.3
SINCE 7/1           T               0.5    -0.5      0.3
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       1               0.5     0.5        2
DAYS >= 1.0         0               0.2    -0.2        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL        T   10/30 TO 10/30

DEGREE_DAYS
HEATING TOTAL     527               440      87      459
 SINCE 7/1        662               592      70      512
COOLING TOTAL       0                 7      -7        8
 SINCE 1/1        829               699     130      742

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST      10/05             10/13
LATEST                          05/02
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.2
RESULTANT WIND SPEED/DIRECTION   2/232
HIGHEST WIND SPEED/DIRECTION    35/270    DATE  10/12
HIGHEST GUST SPEED/DIRECTION    47/270    DATE  10/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   40
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         14

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  8
  0
  0
  0
  0
  2
HAZE                      2

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

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