The featured chart presents a time series of temperature and precipitation departures for Ames since early November. The departures are expressed in terms of standard deviation (sigma) and evaluated every 14 days. The arrows connect the time series and these type of plots often cycle due to the time window averaging. Anyway, the plot shows how this winter has progressed from mild and dry to extremely wet and cool. Our current status is bringing us back to near average temperatures while noticing the rain events from last week. The forecast continues to be optimistic for warmth and limited rainfall, both of which we need.

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