ALTON, IOWA

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Elevation: 396 meters Latitude: 42 59N Longitude: 096 01W

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DAILY WEATHER AVERAGE - 29 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	9.5 ^°C	15.2 ^°C	3.3 ^°C	25 ^°C (2004)	-7 ^°C (2011)
Dewpoint	3.9 ^°C	7 ^°C	-0.3 ^°C	19 ^°C (2004)	-11 ^°C (2008)
Humidity	71.8 ^%	89.4 ^%	52.3 ^%		13 ^% (2008)
Barometer	1013.2 ^hPa	1017.9 ^hPa	1008.5 ^hPa	1031.5 ^hPa (2001)	981.4 ^hPa (1996)
Wind Speed	15 ^km/h	30.7 ^km/h		64.9 ^km/h (1996)
Wind Gust		44.7 ^km/h		90.8 ^km/h (1996)
Precipitation	23.11 ^mm			23.11 ^mm (2009)

Weather Element	Average
Visibility	14 ^km
Wind Direction	SE (135.3 °)

Weather Element	Total
Heating Degree Days	9.1 (Base 18.3)
Growing Degree Days	4.1 (Base 10)

Total Years on Record: 19

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