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000
CXUS53 KGRR 140503 CCA
CLMGRR

CLIMATE REPORT...CORRECTED FOR THUNDERSTORM COUNT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
102 AM EDT SAT JUL 14 2012

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE MONTH OF JUNE 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             102   06/20/1953
                        06/01/1934
 LOW               32   06/04/1945
HIGHEST            97   06/28        91       6       94  06/07
LOWEST             46   06/01        41       5       49  06/12
AVG. MAXIMUM     83.3              79.0     4.3     78.7
AVG. MINIMUM     58.3              57.7     0.6     59.4
MEAN             70.8              68.4     2.4     69.1
DAYS MAX >= 90      8               2.0     6.0        4
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.22   1892
 MINIMUM         0.25   1988
TOTALS           2.17              3.77   -1.60     3.34
DAILY AVG.       0.07              0.13   -0.06     0.11
DAYS >= .01         6              10.1    -4.1        9
DAYS >= .10         2               6.0    -4.0        8
DAYS >= .50         2               2.5    -0.5        2
DAYS >= 1.00        1               1.1    -0.1        1
GREATEST
 24 HR. TOTAL    1.14   06/18 TO 06/18                MM

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   2002
 24 HR TOTAL        T   MM
 SNOW DEPTH        MM   MM
TOTALS            0.0               0.0     0.0      0.0
 LIQUID EQUIV    0.00              0.00    0.00     0.00
SINCE 7/1        51.2              74.9   -23.7     74.0
 LIQUID 7/1      5.12                MM      MM     7.40
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0

DEGREE_DAYS
HEATING TOTAL      28                45     -17       25
 SINCE 7/1       5253              6485   -1232     6493
COOLING TOTAL     208               145      63      151
 SINCE 1/1        316               192     124      215

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST      11/01             10/13
LATEST        04/29             05/02
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
RESULTANT WIND SPEED/DIRECTION   4/240
HIGHEST WIND SPEED/DIRECTION    33/340    DATE  06/18
HIGHEST GUST SPEED/DIRECTION    45/330    DATE  06/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   79
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

&&

THE AVERAGE HIGH TEMPERATURE FOR JUNE 2012 WAS THE 7TH WARMEST
ON RECORD.

&&

JUNE 2012 WAS A WARM AND DRY MONTH ACROSS SOUTHWEST LOWER MICHIGAN.
MOST LOCATIONS WERE BETWEEN 1 AND 3 DEGREES WARMER THAN NORMAL. THE
MORE NORTHERN LOCATIONS HAD THE LARGEST POSITIVE ANOMALIES. THE
NUMBER OF DAYS WITH HIGHS ABOVE 90 DEGREE WAS ALSO WELL ABOVE NORMAL
ACROSS SOUTHWEST LOWER MICHIGAN. PRECIPITATION WAS WELL BELOW NORMAL
OVER SOUTHWEST LOWER MICHIGAN. THE FARTHER SOUTH YOU WERE IN LOWER
MICHIGAN... THE LARGER THE NEGATIVE ANOMALY WAS. THE I-94 AREA WAS 2
TO 3 INCHES BELOW NORMAL... WHILE AREA NORTH OF I-96 WERE ONLY 1 TO
2 INCH BELOW.

THE MONTH STARTED OUT ON THE COLD SIDE WITH RECORD OR NEAR RECORD
LOW HIGHS IN THE MID TO UPPER 50S. IT WARMED INTO THE 70S ON THE
2ND. THERE WERE TWO LONG WARM SPELLS IN JUNE. FROM THE 9TH THROUGH
THE 11TH... HIGHS WERE MOSTLY IN THE UPPER 80S TO LOWER 90S. FROM
THE 12TH THROUGH THE 14TH... HIGHS WERE IN THE 70S TO MID 80S AND
THE LOWS WERE IN THE 40S AND 50S. THEN... A LONG WARM SPELL BEGAN ON
THE 15TH AND CONTINUED THROUGH THE 21ST. HIGHS RANGES FROM THE MID
80S TO MID 90S DURING THIS TIME. FROM THE 18TH THROUGH THE 20TH...
HIGHS WERE MOSTLY IN THE 90S. IT THEN COOLED DOWN FROM THE 23RD
THROUGH THE 26TH. TEMPERATURES WERE NEAR TO BELOW NORMAL. FROM THE
27TH THROUGH THE END OF THE MONTH... IT WAS WARMER THAN NORMAL. THE
HOTTEST DAY OF THE YEAR WAS ON THE 28TH... WHEN MOST INLAND
LOCATIONS HAD HIGHS IN THE MID TO UPPER 90S.

THERE WERE THREE SIGNIFICANT STORM EVENTS IN JUNE. ON THE 1ST... UP
TO ONE AND A HALF INCHES OF RAIN FELL. THE HEAVIES RAINFALL WAS
NORTH AND EAST OF GRAND RAPIDS. THERE WAS A STRONG TO SEVERE
THUNDERSTORM EVENT DURING THE AFTERNOON OF THE 16TH. THIS WAS
PRIMARLY A WIND DAMAGE EVENT. MOST OF THE DAMAGE WAS WEST OF US-131.
WHILE LOCATIONS EAST OF US-131 HAD LESS THEN A QUARTER INCH OF
RAIN... THOSE NEAR AND WEST OF US-131 HAD A HALF INCH UP TO ONE AND
A HALF INCHES OF RAIN. THE LAST SIGNIFICANT EVENT OCCURED FROM THE
18TH INTO THE 19TH. THIS BROUGHT ANOTHER HALF TO ONE AND A HALF
INCHES OF RAIN NORTH OF A LINE FROM HOLLAND TO JACKSON.

$$

WDM 63