Freezing temperatures have been difficult to come by so far this fall season. The featured chart looks at the areal coverage percentage of fall freezing temperatures. The percentages represent the amount of area that has seen at least one day with sub freezing temperatures. The blue line is the average coverage based on data back to 1893. The largest and smallest coverage are shown as well along with the accumulation for this year and last. This analysis puts this year at 25%, which would be average for the end of September. It is interesting to see this year mimic 2016 with the late start to sub freezing temps.

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Tags:   freeze