Issued by NWS Grand Rapids, MI
000
CXUS53 KGRR 011257
CLMGRR
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
848 AM EDT WED OCT 1 2008
...................................
...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2008...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1892 TO 2008
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 92 09/02 MM MM 91 09/24
09/05
LOWEST 44 09/16 MM MM 39 09/16
AVG. MAXIMUM 74.5 71.7 2.8 77.7
AVG. MINIMUM 54.9 51.0 3.9 54.5
MEAN 64.7 61.3 3.4 66.1
DAYS MAX >= 90 1 MM MM 2
DAYS MAX <= 32 0 MM MM 0
DAYS MIN <= 32 0 MM MM 0
DAYS MIN <= 0 0 MM MM 0
PRECIPITATION (INCHES)
TOTALS 9.54 4.28 5.26 1.21
DAILY AVG. 0.32 0.14 0.18 0.04
DAYS >= .01 11 MM MM 8
DAYS >= .10 8 MM MM 4
DAYS >= .50 5 MM MM 0
DAYS >= 1.00 3 MM MM 0
GREATEST
24 HR. TOTAL 3.84 09/04 TO 09/05
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0
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 0.0 09/30 TO 09/30
DEGREE_DAYS
HEATING TOTAL 62 159 -97 83
SINCE 7/1 66 193 -127 96
COOLING TOTAL 61 56 5 124
SINCE 1/1 630 608 22 915
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 6.7
HIGHEST WIND SPEED/DIRECTION 21/300 DATE 09/30
HIGHEST GUST SPEED/DIRECTION 25/310 DATE 09/30
SKY COVER
POSSIBLE SUNSHINE (PERCENT) 64
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 7
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 8 RAIN 7
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 18 FOG W/VIS <= 1/4 MILE 1
HAZE 10
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
RECORD DATA
9/9 - DAILY RECORD RAINFALL OF 2.82 INCHES. OLD RECORD 1.06 IN 1965.
9.54 INCHES RAINFALL IS SECOND HIGHEST SEPTEMBER RAINFALL ON RECORD.
11.85 IN 1986 IS MOST EVER.
62 HDD IS 7TH LOWEST SEPTEMBER TOTAL ON RECORD.
$$
MJK
