The high temperature on Thursday reached the 90s for most of the state. We have seen our fair share of days with a high of 90+ this year. The featured map is an analysis of the number of days at or above 90 this year for the year to date period against a simple average of the same period of days for the years 1981 to 2016. Positive departures, like in Iowa, mean that we have had more 90+ degree days this year than on average. This data is based on the Oregon State PRISM gridded dataset. It is interesting to see the large negative departures over the deep south where they have seen plenty of rain this summer season.

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