RSS FeedsIssued by NWS Grand Rapids, MI
000
CXUS53 KGRR 011610
CLMGRR
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1208 PM EDT THU OCT 1 2009
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...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2009...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1892 TO 2009
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 98 09/02/1913
09/16/1899
LOW 27 09/28/1991
HIGHEST 84 09/14 87 -3 92 09/02
LOWEST 41 09/30 35 6 44 09/16
AVG. MAXIMUM 74.2 71.7 2.5 74.5
AVG. MINIMUM 53.0 51.0 2.0 54.9
MEAN 63.6 61.3 2.3 64.7
DAYS MAX >= 90 0 0.4 -0.4 1
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.4 -0.4 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 11.85 1986
MINIMUM 0.00 1979
TOTALS 1.56 4.28 -2.72 9.54
DAILY AVG. 0.05 0.14 -0.09 0.32
DAYS >= .01 7 10.5 -3.5 11
DAYS >= .10 4 6.9 -2.9 8
DAYS >= .50 1 2.8 -1.8 5
DAYS >= 1.00 0 1.1 -1.1 3
GREATEST
24 HR. TOTAL 0.83 09/27 TO 09/28
SNOWFALL (INCHES)
RECORDS
TOTAL T 2003
24 HR TOTAL T MM
SNOW DEPTH T MM
TOTALS 0.0 0.0 0.0 0.0
LIQUID EQUIV 0.00 0.00 0.00 0.00
SINCE 7/1 0.0 0.0 0.0 0.0
LIQUID 7/1 0.00 0.00 0.00 0.00
SNOWDEPTH AVG. 0 0 0 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 MM
DEGREE_DAYS
HEATING TOTAL 80 159 -79 62
SINCE 7/1 133 193 -60 66
COOLING TOTAL 47 56 -9 61
SINCE 1/1 455 608 -153 630
FREEZE DATES
RECORD
EARLIEST 09/03/1946
LATEST 06/04/1945
EARLIEST 10/13
LATEST 05/02
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WIND (MPH)
AVERAGE WIND SPEED 5.8
RESULTANT WIND SPEED/DIRECTION 1/062
HIGHEST WIND SPEED/DIRECTION 31/280 DATE 09/28
HIGHEST GUST SPEED/DIRECTION 41/260 DATE 09/28
SKY COVER
POSSIBLE SUNSHINE (PERCENT) 64
NUMBER OF DAYS FAIR 13
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 3
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 22 FOG W/VIS <= 1/4 MILE 4
HAZE 17
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
IOD
