A refreshing push of much warmer air make it into the state today and sure makes things feel much more like spring, but is the spring season actually here? If one thinks about winter as being the 91 (1/4 year) coldest days of the year, then perhaps spring has already arrived. The featured chart looks at the coldest (avg high+low) 91 day period for Ames and a fit line is placed on the end of the period. The fit would indicate that spring is coming a bit earlier than in the past. The colors of the bars represent the quartile of the average temperature for the winter season. A number of the bars push well into March, but the forecast for the next week looks very warm, so based on this metric, we are probably in spring now!

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Tags:   winter