Issued by NWS
000
CXUS53 KGRR 012346
CLMMKG
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
745 PM EDT FRI AUG 1 2008
...................................
...THE MUSKEGON MI CLIMATE SUMMARY FOR THE MONTH OF JULY 2008...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1895 TO 2008
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 99 07/30/1913
LOW 39 07/02/2001
HIGHEST 86 07/29 MM MM 90 07/31
LOWEST 50 07/05 MM MM 49 07/21
AVG. MAXIMUM 78.6 80.0 -1.4 79.2
AVG. MINIMUM 61.0 59.8 1.2 59.9
MEAN 69.8 69.9 -0.1 69.5
DAYS MAX >= 90 0 MM MM 1
DAYS MAX <= 32 0 MM MM 0
DAYS MIN <= 32 0 MM MM 0
DAYS MIN <= 0 0 MM MM 0
PRECIPITATION (INCHES)
TOTALS 3.14 2.32 0.82 1.65
DAILY AVG. 0.10 0.07 0.03 0.05
DAYS >= .01 10 MM MM 10
DAYS >= .10 6 MM MM 6
DAYS >= .50 2 MM MM 0
DAYS >= 1.00 1 MM MM 0
GREATEST
24 HR. TOTAL 1.26 07/02 TO 07/02
SNOWFALL (INCHES)
TOTALS T 0.0 0.0 0.0
SINCE 7/1 T
SNOWDEPTH AVG. 0 MM MM 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 MM 0 MM
24 HR TOTAL T 07/02 TO 07/02
DEGREE_DAYS
HEATING TOTAL 4 15 -11 10
SINCE 7/1 4 15 -11 10
COOLING TOTAL 161 181 -20 160
SINCE 1/1 235 295 -60 352
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 7.5
HIGHEST WIND SPEED/DIRECTION 47/230 DATE 07/02
HIGHEST GUST SPEED/DIRECTION 60/220 DATE 07/02
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 25
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 6
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 1
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 15 FOG W/VIS <= 1/4 MILE 1
HAZE 7
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
JULY 2008 WILL BE MOST REMEMBERED FOR THE HEAVY RAIN DURING THE
FIRST HALF OF THE MONTH AND FOR RELATIVELY PLEASANT TEMPERATURES
THROUGHOUT THE MONTH. THE MONTH STARTED COOL AND WET. AROUND THE
15TH THAT TURNED AROUND AND IT WAS WARMER THAN NORMAL FROM THE 15TH
THROUGH THE 21ST. COOLER WEATHER THEN RETURNED BUT PRECIPITATION WAS
ON THE LIGHT SIDE. FROM THE 28TH THROUGH THE END OF THE MONTH WARMER
THAN NORMAL TEMPERATURES RETURNED. THERE WERE SOME HEAVY
THUNDERSTORMS DURING THE EARLY MORNING HOURS OF THE
30TH...MOSTLY NEAR AND NORTH OF INTERSTATE 96.
THE WARMEST WEATHER OF THE MONTH WAS FROM THE 15TH THROUGH THE 18TH.
HIGHS ACROSS THE AREA WERE IN THE UPPER 80S TO LOWER 90S. BALDWIN
HAD THE HIGHEST TEMPERATURE OF THE MONTH FOR ANY SITE IN SOUTHWEST
MICHIGAN WHEN IT HIT 94 DEGREES ON THE 17TH.
WHILE THE AVERAGE TEMPERATURE FOR THE MONTH WAS NEAR NORMAL... THE
NUMBER OF HOT DAYS...HIGHS IN THE 90S...WAS UNUSUALLY LOW. GRAND
RAPIDS NORMALLY HAS 5 DAYS WITH HIGHS OF 90 DEGREES OR HIGHER IN
JULY. JULY 2008 HAD NONE. THE LAST TIME THIS OCCURRED WAS IN 2000.
RAINFALL WAS ABOVE NORMAL ACROSS THE AREA. THE AREAS WITH THE
HEAVIEST PRECIPITATION WERE NEAR AND SOUTH OF INTERSTATE 96 AND
WEST OF US-131. MOST OF THE PRECIPITATION FELL DURING THE
FIRST TWO WEEKS OF JULY.
THE BIGGEST SINGLE RAINFALL EVENT OCCURRED DURING THE AFTERNOON INTO
THE EARLY EVENING OF JULY 2ND. A SERIES OF THUNDERSTORMS CONTINUED
TO FOLLOW THE SAME PATH... RESULTING IN RAINFALL AMOUNTS OF UP TO 5
INCHES IN EAST GRAND RAPIDS AND 3.18 INCHES AT THE NWS SITE AT THE
GERALD R FORD AIRPORT. THERE WERE NUMEROUS REPORTS OF OVER 2 INCHES
OF RAIN FROM THAT EVENT. NUMEROUS REPORTS OF FLOODED INTERSECTIONS
AND WATER COVERING ROADS WERE RECEIVED.
AS FOR SEVERE WEATHER...THE SAME THUNDERSTORMS THAT CAUSED THE HEAVY
RAIN AND FLOODING ON JULY 2ND WERE RESPONSIBLE FOR THE MOST SEVERE
WEATHER REPORTS FOR THE MONTH. THERE WERE 54 SEVERE WEATHER EVENTS
REPORTED IN THE GRAND RAPIDS CWA ON THAT ONE DAY. THESE REPORTS
WERE A MIXTURE OF LARGE HAIL AND DAMAGING WINDS. THERE WERE SOME
PERORTS OF HAIL UP TO THE SIZE OF GOLF BALLS COVERING THE GROUND IN
MONTCALM COUNTY. HAIL WAS REPORTED TO HAVE DAMAGED A FARMERS CORN
CROP IN EATON COUNTY.
THERE WAS ANOTHER SIGNIFICANT SEVERE WEATHER EVENT LATE IN THE
AFTERNOON ON THE 16TH WHEN 22 REPORTS OF LARGE HAIL AND DAMAGING
WINDS WERE RECEIVED. IN SOUTHERN ISABELLA COUNTY...OVER 6 INCHES OF
RAIN FELL AND WASHED OUT SOME ROADS. THERE WERE 81 TOTAL SEVERE
WEATHER REPORTS FOR THE MONTH OF JULY.
AN EF0 TORNADO AT 317 AM ON THE 30TH IN CLARE COUNTY WAS CONFIRMED
DURING AN OFFICIAL NWS STORM SURVEY. A BARN WAS BLOWN DOWN AND A
CARPORT ROOF BLOWN OFF. ONE LARGE WILLOW TREE WAS UPROOTED. SEVERAL
OTHER TREES WERE SNAPPED OFF OR UPROOTED.
$$
MARINO/HOVING
