Climatological Report (Monthly)
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CXUS53 KGRR 011856 CCA
CLMBIV

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
212 PM EDT FRI MAY 1 2015

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

...THE HOLLAND/TULIP CITY MI CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1996 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            77   04/18        MM      MM       75  04/21
LOWEST             23   04/04        MM      MM       24  04/16
AVG. MAXIMUM     59.1              58.0     1.1     58.0
AVG. MINIMUM     37.6              38.6    -1.0     37.3
MEAN             48.3              48.3     0.0     47.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.1    -0.1        0
DAYS MIN <= 32      4               6.5    -2.5        5
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
TOTALS           3.92              3.25    0.67     2.40
DAILY AVG.       0.13              0.11    0.02     0.08
DAYS >= .01        10                MM      MM       12
DAYS >= .10         7                MM      MM        9
DAYS >= .50         2                MM      MM        1
DAYS >= 1.00        1                MM      MM        0
GREATEST
 24 HR. TOTAL    2.06   04/09 TO 04/09

DEGREE_DAYS
HEATING TOTAL     493               505     -12      513
 SINCE 7/1       6437              5879     558     6797
COOLING TOTAL       0                 4      -4        0
 SINCE 1/1          0                 4      -4        0
.....................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
RESULTANT WIND SPEED/DIRECTION   1/246
HIGHEST WIND SPEED/DIRECTION    36/240    DATE  04/10
HIGHEST GUST SPEED/DIRECTION    46/240    DATE  04/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       7
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      0
HAZE                      6

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

&&

APRIL 2015 FEATURED TEMPERATURES WHICH AVERAGED OUT TO NEAR NORMAL.
PRECIPITATION WAS ABOVE NORMAL IN PORTIONS OF CENTRAL AND WESTERN
LOWER MICHIGAN... AND NEAR TO BELOW NORMAL IN SOUTHERN LOWER
MICHIGAN. SNOWFALL WAS BELOW NORMAL... TOTALING ABOUT 2 INCHES IN
PARTS OF CENTRAL MICHIGAN... AND LIGHT ACCUMULATIONS OR A TRACE NEAR
AND SOUTH OF MUSKEGON... GRAND RAPIDS... AND LANSING.

THE FIRST 20 DAYS OF APRIL WERE GENERALLY NEAR TO SOMEWHAT ABOVE
NORMAL... WITH A MIXTURE OF WARM AND COOL DAYS. A BAND OF
ACCUMULATING SNOW OCCURRED IN CENTRAL MICHIGAN THE MORNING OF APRIL
5. THE FIRST SEVERE THUNDERSTORM EVENT OF THE YEAR THEN FOLLOWED ON
APRIL 9... WHEN A STRONG LOW PRESSURE SYSTEM IN THE MIDWEST SPAWNED
TORNADOES IN ILLINOIS AND A LINE OF THUNDERSTORMS WITH SPORADIC WIND
GUSTS IN WEST MICHIGAN. ESTIMATED 70 TO 80 MPH GUSTS DESTROYED A
METAL STORAGE BUILDING IN DOWNTOWN MUSKEGON AND A STORAGE BARN NORTH
OF SPARTA. A NUMBER OF TREES FELL IN MUSKEGON... NEWAYGO... AND
MONTCALM COUNTIES FROM ISOLATED STRONG WIND GUSTS. DAILY RAINFALL
RECORDS WERE SET AT GRAND RAPIDS AND MUSKEGON AS 2 TO 4 INCHES OF
RAIN FELL IN THE AREA BETWEEN GRAND RAPIDS AND PENTWATER... CAUSING
MINOR RIVER AND LOWLAND FLOODING. MANY LOCATIONS THEN EXPERIENCED
THEIR FIRST 70 DEGREE DAY OF THE YEAR IN MID-APRIL.

A SHOT OF COLD AIR ENVELOPED THE GREAT LAKES FOR A FEW DAYS AFTER
APRIL 20. LANSING TIED A RECORD COLD HIGH TEMPERATURE OF 39 DEGREES
ON APRIL 22... AND GRAND RAPIDS SET A RECORD COLD LOW TEMPERATURE OF
25 DEGREES ON APRIL 24. SHOWERS CONTAINING RAIN... SNOW... OR
GRAUPEL PROVIDED SOME LOCATIONS WITH MINOR ACCUMULATIONS OF FROZEN
PRECIPITATION DURING THIS PERIOD. THE WEATHER SETTLED DOWN AND
TEMPERATURES MODERATED CLOSER TO NORMAL FOR THE FINAL SEVERAL DAYS
OF THE MONTH.

$$

CAS






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