Wow, what a treat the weather was on Monday in Iowa with very pleasant temperatures and even a record high temperature for Sioux City of 70 degrees set for the date. The featured chart presents daily high temperature departures this year for Sioux City expressed in terms of sigma (1 standard deviation). Such a term allows a somewhat fair comparison between temperature differences over the year as the departure gives a more representative distance away from the average based on variability for the given date. The chart shows that yesterday had the largest departure this year for the site when expressed in sigma. The near term forecast continues to advertise additional very warm days upcoming to start off December. Areas to our west may be in line to set all time record warm high temperatures during December even!

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