GRINNELL, IOWA

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

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DAILY WEATHER AVERAGE - 21 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	17.1 ^°C	23 ^°C	11.2 ^°C	31 ^°C (2007)	6 ^°C (2013)
Dewpoint	11.9 ^°C	14.2 ^°C	9.1 ^°C	20 ^°C (2010)	4.7 ^°C (2013)
Humidity	73.7 ^%	91.7 ^%	51.1 ^%		36 ^% (2007)
Barometer	1015.2 ^hPa	1018.3 ^hPa	1012.2 ^hPa	1025.4 ^hPa (2008)	1001 ^hPa (2006)
Wind Speed	13.5 ^km/h	27.7 ^km/h		37 ^km/h (2007)
Wind Gust		42.3 ^km/h		66.6 ^km/h (2010)
Precipitation	17.27 ^mm			46.99 ^mm (2010)

Weather Element	Average
Visibility	15 ^km
Wind Direction	SSW (186.7 °)

Total Years on Record: 9

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