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

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CXUS53 KGRR 041601 CCA
CLAGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI

1048 AM EST MON FEB 4 2019

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

...THE GRAND RAPIDS MI (ASOS) CLIMATE SUMMARY FOR THE YEAR OF 2018...

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             108   07/13/1936
 LOW              -24   02/14/1899
                        02/13/1899
HIGHEST            94   07/04        93       1       96  09/23
                        07/01
                        06/30
LOWEST            -11   01/06        -6      -5      -12  12/27
AVG. MAXIMUM     58.0              58.0     0.0     59.4
AVG. MINIMUM     41.2              40.3     0.9     41.2
MEAN             49.6              49.1     0.5     50.3
DAYS MAX >= 90     19               8.4    10.6       11
DAYS MAX <= 32     43              47.3    -4.3       43
DAYS MIN <= 32    147             126.5    20.5      112
DAYS MIN <= 0       3               3.9    -0.9        6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        48.80   2008
 MINIMUM        20.99   1930
TOTALS          44.45             38.27    6.18    39.43
DAILY AVG.       0.12              0.10    0.02     0.11
DAYS >= .01       157             145.0    12.0      158
DAYS >= .10        83              77.5     5.5       86
DAYS >= .50        27              22.9     4.1       23
DAYS >= 1.00        9               7.7     1.3        7
GREATEST
 24 HR. TOTAL    3.25   MM

SNOWFALL (INCHES)
RECORDS
 TOTAL          143.7   2008
 24 HR TOTAL     11.3   02/03/2007 TO 02/03/2007
 SNOW DEPTH        24   02/18/2014
TOTALS           61.8              74.9   -13.1     55.8
SINCE 7/1        17.6              29.2   -11.6     33.5
SNOWDEPTH AVG.      1                MM      MM        0
DAYS >= TRACE      95              52.1    42.9       78
DAYS >= 1.0        21              23.0    -2.0       20
GREATEST
 SNOW DEPTH        10   02/12                         10  12/16
                        02/11
 24 HR TOTAL      4.8   MM

DEGREE_DAYS
HEATING TOTAL    6485              6485       0     5974
 SINCE 7/1         MM              2449      MM       MM
COOLING TOTAL    1003               698     305      719
 SINCE 1/1       1003               699     304      719

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   1/240
HIGHEST WIND SPEED/DIRECTION    47/240    DATE  05/04
HIGHEST GUST SPEED/DIRECTION    56/250    DATE  05/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   43
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR           51
NUMBER OF DAYS PC            157
NUMBER OF DAYS CLOUDY        157

AVERAGE RH (PERCENT)     72


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

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