IEM Daily Feature
Wednesday, 03 November 2021

Nov vs Oct Highs

Posted: 03 Nov 2021 05:35 AM

The chilly start to November has a bit of despair to it as the oncoming winter season seems imminent and the upcoming time change will vanquish most sunshine from after work hours. The featured chart presents a comparison between the high temperature distribution for October vs November for Ames based on period of record data. The left hand plot maps equal quantiles, which allows for direct frequency comparisons between the two months. For example, a high temperature at or above 50 degrees during October is as common as having a high above 32 during November, yikes. The right plot and table shows the difference between the two months in the 14-18 degree range on average. Despite this doom and gloom, the near term forecast does has some hope for warmer weather later in the week and the return to something above average even for early November.

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