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

000
CXUS53 KGRR 020001
CLAGRR

WRKCLMGRR 000
TTAA00 KGRR 012359


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
620 PM EST WED JAN 1 2020

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

...THE GRAND RAPIDS MI (ASOS) CLIMATE SUMMARY FOR THE YEAR OF 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             108   07/13/1936
 LOW              -24   02/14/1899
                        02/13/1899
HIGHEST            92   07/20        93      -1       94  07/04
                                                          07/01
                                                          06/30
LOWEST            -10   01/31        -6      -4      -11  01/06
AVG. MAXIMUM     56.8              58.0    -1.2     58.0
AVG. MINIMUM     40.1              40.3    -0.2     41.2
MEAN             48.5              49.1    -0.6     49.6
DAYS MAX >= 90      7               8.4    -1.4       19
DAYS MAX <= 32     50              47.3     2.7       43
DAYS MIN <= 32    135             126.5     8.5      147
DAYS MIN <= 0       6               3.9     2.1        3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        51.37   2019
 MINIMUM        20.99   1930
TOTALS          51.37R            38.27   13.10    44.45
DAILY AVG.       0.14              0.10    0.04     0.12
DAYS >= .01       177             145.0    32.0      157
DAYS >= .10       103              77.5    25.5       83
DAYS >= .50        38              22.9    15.1       27
DAYS >= 1.00       10               7.7     2.3        9
GREATEST
 24 HR. TOTAL    2.56   09/22 TO 09/22

SNOWFALL (INCHES)
RECORDS
 TOTAL          143.7   2008
 24 HR TOTAL     16.1   01/26/1978
 SNOW DEPTH        27   01/27/1978
TOTALS           84.8              74.9     9.9     61.8
SINCE 7/1        21.1              29.2    -8.1     17.6
SNOWDEPTH AVG.      1                MM      MM        1
DAYS >= TRACE      89              52.1    36.9       95
DAYS >= 1.0        25              23.0     2.0       21
GREATEST
 SNOW DEPTH        14   01/30                         10  02/12
                                                          02/11
 24 HR TOTAL      5.5   11/11 TO 11/11

DEGREE_DAYS
HEATING TOTAL    6650              6485     165     6485
 SINCE 7/1         MM              2449      MM       MM
COOLING TOTAL     742               698      44     1003
 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              9.4
RESULTANT WIND SPEED/DIRECTION   2/239
HIGHEST WIND SPEED/DIRECTION    44/340    DATE  07/20
HIGHEST GUST SPEED/DIRECTION    69/330    DATE  07/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   39
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR           42
NUMBER OF DAYS PC            157
NUMBER OF DAYS CLOUDY        166

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              38     MIXED PRECIP                2
HEAVY RAIN                41     RAIN                        68
LIGHT RAIN               156     FREEZING RAIN               3
LT FREEZING RAIN          19     HAIL                        3
HEAVY SNOW                 7     SNOW                        32
LIGHT SNOW                84     SLEET                       6
FOG                      200     FOG W/VIS <= 1/4 MILE       19
HAZE                     102

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

$$