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

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CXUS53 KGRR 011213
CLMGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
743 AM EDT SUN MAY 1 2016

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

...THE GRAND RAPIDS MI (ASOS) CLIMATE SUMMARY FOR THE MONTH OF APRIL 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              90   04/29/1899
 LOW                3   04/07/1982
HIGHEST            82   04/18        79       3       75  04/17
LOWEST             20   04/05        21      -1       22  04/04
AVG. MAXIMUM     56.0              58.2    -2.2     59.4
AVG. MINIMUM     36.0              37.7    -1.7     36.0
MEAN             46.0              48.0    -2.0     47.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.3    -0.3        0
DAYS MIN <= 32     10               8.6     1.4        7
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.10   2013
 MINIMUM         0.39   1942
TOTALS           3.92              3.35    0.57     4.07
DAILY AVG.       0.13              0.11    0.02     0.14
DAYS >= .01        14              12.7     1.3       10
DAYS >= .10         8               7.3     0.7        7
DAYS >= .50         4               1.9     2.1        2
DAYS >= 1.00        0               0.6    -0.6        1
GREATEST
 24 HR. TOTAL    0.79   04/10 TO 04/10

SNOWFALL (INCHES)
RECORDS
 TOTAL           15.6   1961
 24 HR TOTAL      9.8   04/02/1975 TO 04/03/1975
 SNOW DEPTH        10   04/03/1975
TOTALS            9.4               1.8     7.6      0.1
SINCE 7/1        61.1              74.9   -13.8     78.1
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE      10               2.0     8.0        4
DAYS >= 1.0         2               0.5     1.5        0
GREATEST
 SNOW DEPTH         5   04/09                          0  MM
 24 HR TOTAL      5.4   04/08 TO 04/08

DEGREE_DAYS
HEATING TOTAL     564               518      46      511
 SINCE 7/1       5390              6205    -815     6817
COOLING TOTAL       0                 7      -7        0
 SINCE 1/1          0                 8      -8        0

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

WIND (MPH)
AVERAGE WIND SPEED              9.3
RESULTANT WIND SPEED/DIRECTION   3/077
HIGHEST WIND SPEED/DIRECTION    29/330    DATE  04/02
HIGHEST GUST SPEED/DIRECTION    38/330    DATE  04/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   46
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               2
HEAVY RAIN                2     RAIN                       6
LIGHT RAIN               15     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                2     SNOW                       3
LIGHT SNOW                7     SLEET                      4
FOG                      15     FOG W/VIS <= 1/4 MILE      4
HAZE                      0

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

&&

APRIL 2016 FEATURED BELOW NORMAL TEMPERATURES ACROSS SOUTHWEST LOWER
MICHIGAN FOR THE FIRST TIME SINCE AUGUST 2015. PRECIPITATION WAS
VARIABLE... BUT AVERAGED NEAR NORMAL ACROSS THE AREA. SNOWFALL WAS
ABOVE NORMAL.

THE FIRST HALF OF APRIL WAS LARGELY COOLER THAN NORMAL ACROSS
SOUTHWEST LOWER MICHIGAN... WITH HIGHS JUST IN THE 30S AND 40S FOR
SEVERAL DAYS. THE WEATHER PATTERN THEN FLIPPED AND PRODUCED WELL
ABOVE NORMAL TEMPERATURES FOR A WEEK BETWEEN APRIL 15-21. AFTER A
FEW 70 DEGREE DAYS... MOST LOCATIONS HIT 80 DEGREES ON APRIL 18.
HOWEVER... APRIL 2016 ENDED RATHER GLOOMILY WITH COOL AND DAMP
CONDITIONS.

WITH MUCH COOLER THAN NORMAL TEMPERATURES IN PLACE DURING THE FIRST
HALF OF APRIL... SOUTHWEST LOWER MICHIGAN RECEIVED BOUTS OF SNOW
MIXED WITH RAIN...SLEET... AND FREEZING RAIN AT TIMES. CENTRAL AND
NORTHERN LOWER MICHIGAN SAW THE HEAVIEST SNOW... BUT MOST LOCATIONS
RECEIVED ACCUMULATING SNOW ON APRIL 2 AND AGAIN APRIL 8-10. GRAND
RAPIDS AND LANSING RECEIVED 4-6 INCHES OF SNOW ON APRIL 8.

THE LAST WEEK OF APRIL FEATURED 1 OR 2 SUNNY DAYS... BUT OTHERWISE A
FAIR AMOUNT OF CLOUD COVER. SEVERE WEATHER STRUCK SOUTHWEST LOWER
MICHIGAN ON APRIL 25. THE STORMS BROUGHT FREQUENT LIGHTNING... LARGE
HAIL... MODERATE TO HEAVY RAIN... AND GUSTY WINDS. THE MONTH ENDED
WITH COOLER TEMPERATURES AND SOME STEADY RAIN ON APRIL 28 AND APRIL
30.

$$

EBW


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