With Memorial Day weekend clearly in view, the summer season is at hand. Some say summer starts with Memorial Day weekend, others say 1 June, and others say the solstice around 21 June. A data driven and backward looking approach could consider the 91 consecutive days for a given year with the warmest average temperature as the summer season. The featured chart presents the start date of each yearly period for Ames. A simple trend line is fit to the data and the dots are colored by the temperature departure from average for that given year. The simple average is indicated to be around 7 June, so perhaps we can enjoy the spring season for ten more days!

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Tags:   season   summer