Climatological Report (Annual) Issued by NWS
000
CXUS53 KGRR 042004
CLAMKG
WRKCLMMKG 000
TTAA00 KGRR 041952
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
245 PM EST MON JAN 4 2010
...................................
...THE MUSKEGON MI CLIMATE SUMMARY FOR THE YEAR OF 2009...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1895 TO 2010
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 99 08/03/1964
07/30/1913
LOW -30 02/11/1899
HIGHEST 92 06/24 90 2 89 09/02
LOWEST -4 01/20 -1 -3 -5 02/21
AVG. MAXIMUM 55.5 55.8 -0.3 55.5
AVG. MINIMUM 39.2 38.3 0.9 38.6
MEAN 47.3 47.1 0.2 47.1
DAYS MAX >= 90 1 7.9 -6.9 0
DAYS MAX <= 32 58 47.1 10.9 64
DAYS MIN <= 32 129 139.3 -10.3 137
DAYS MIN <= 0 5 4.1 0.9 5
PRECIPITATION (INCHES)
TOTALS 38.17 32.88 5.29 45.98
DAILY AVG. 0.10 0.09 0.01 0.13
GREATEST
24 HR. TOTAL 2.04 09/27 TO 09/28
SNOWFALL (INCHES)
TOTALS 98.4 105.5 -7.1 171.9
SINCE 7/1 33.6
SNOWDEPTH AVG. 1 1 0 2
DAYS >= 1.0 25 28.8 -3.8 49
GREATEST
SNOW DEPTH 22 01/18 22 12/24
24 HR TOTAL 14.8 01/17 TO 01/17
DEGREE_DAYS
HEATING TOTAL 6706 6943 -237 6856
SINCE 7/1 2430 2587 -157 2506
COOLING TOTAL 379 487 -108 406
SINCE 1/1 379 487 -108 406
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WIND (MPH)
AVERAGE WIND SPEED 8.7
HIGHEST WIND SPEED/DIRECTION 39/280 DATE 10/06
HIGHEST GUST SPEED/DIRECTION 61/260 DATE 08/09
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 134
NUMBER OF DAYS PC 111
NUMBER OF DAYS CLOUDY 119
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 20 MIXED PRECIP 3
HEAVY RAIN 25 RAIN 52
LIGHT RAIN 130 FREEZING RAIN 0
LT FREEZING RAIN 4 HAIL 0
HEAVY SNOW 7 SNOW 26
LIGHT SNOW 71 SLEET 2
FOG 193 FOG W/VIS <= 1/4 MILE 31
HAZE 81
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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