Based on some preliminary data and IEM estimates, 2010 will go down as the four year in a row wetter than a recent trend of 30 years of Iowa data. The featured chart presents the yearly areal averaged precipitation along with a trailing 30 year moving average. The flood year of 1993 and drought year of 1988 stick out in this chart. The trend line has increased in this chart by roughly 4 inches in the past 50 years (~12%).

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Tags:   climate   precip