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

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CXUS53 KGRR 022311
CLSGRR

WRKCLMGRR 000
TTAA00 KGRR 022310


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
547 PM EST MON DEC 2 2019

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

...THE GRAND RAPIDS MI (ASOS) CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2019 TO 11/30/2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2019

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            88   09/11        87       1       90  09/17
LOWEST             15   11/13        16      -1       20  11/22
AVG. MAXIMUM     57.8              60.2    -2.4     57.9
AVG. MINIMUM     42.9              42.5     0.4     42.8
MEAN             50.3              51.3    -1.0     50.4
DAYS MAX >= 90      0               0.3    -0.3        1
DAYS MAX <= 32      4               1.8     2.2        6
DAYS MIN <= 32     23              18.0     5.0       24
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.11   1911
 MINIMUM         2.59   1956
TOTALS          17.07             11.05    6.02    14.35
DAILY AVG.       0.19              0.12    0.07     0.16
DAYS >= .01        46              35.7    10.3       39
DAYS >= .10        25              21.0     4.0       25
DAYS >= .50        13               7.1     5.9        8
DAYS >= 1.00        5               2.3     2.7        5
GREATEST
 24 HR. TOTAL    2.56   09/22 TO 09/22

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            6.8               7.3    -0.5     14.4
SINCE 7/1         6.8               7.3    -0.5     14.4
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE      16               4.7    11.3       21
DAYS >= 1.0         1               2.2    -1.2        4
GREATEST
 SNOW DEPTH         4   11/12                          4  11/27
                                                          11/10
 24 HR TOTAL      5.5   11/11 TO 11/11

DEGREE_DAYS
HEATING TOTAL    1414              1317      97     1470
 SINCE 7/1         MM              1338      MM       MM
COOLING TOTAL     100                74      26      155
 SINCE 1/1        742               699      43     1003

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

WIND (MPH)
AVERAGE WIND SPEED              9.1
RESULTANT WIND SPEED/DIRECTION   2/220
HIGHEST WIND SPEED/DIRECTION    40/230    DATE  11/27
HIGHEST GUST SPEED/DIRECTION    56/220    DATE  11/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   32
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             45
NUMBER OF DAYS CLOUDY         40

AVERAGE RH (PERCENT)     74

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

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