GRINNELL, IOWA

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Elevation: 305 meters Latitude: 41 43N Longitude: 092 43W

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DAILY WEATHER AVERAGE - 20 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	17.8 ^°C	25 ^°C	11.4 ^°C	31 ^°C (2010)	1 ^°C (2006)
Dewpoint	12.1 ^°C	15.7 ^°C	8.8 ^°C	22 ^°C (2010)	0 ^°C (2011)
Humidity	71.9 ^%	93.7 ^%	43.4 ^%		34 ^% (2011)
Barometer	1016.6 ^hPa	1019.6 ^hPa	1013.5 ^hPa	1023 ^hPa (2008)	1009.8 ^hPa (2010)
Wind Speed	12.1 ^km/h	24.9 ^km/h		33.3 ^km/h (2011)
Wind Gust		39.8 ^km/h		51.8 ^km/h (2011)
Precipitation	4.83 ^mm			9.4 ^mm (2014)

Weather Element	Average
Visibility	14.5 ^km
Wind Direction	SSE (160.5 °)

Total Years on Record: 9

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