Tuesday was about an average summer day in Iowa with highs in the 80s and lows in the 60s. The NWS issues a daily climate report for many locations across the country. The IEM processes this product and makes a simple infographic from the provided information while also adding a bit of bling to the temperature gauges by associating the period of record observations for the site. So the featured graphic is valid for Tuesday from Des Moines. The high temperature was just a degree below average and the low was four degrees below. The percentiles (deciles) are indicated by the white ticking and the colors represent ranges expressed by standard deviation. Temperature distributions are almost always not true normal distributions, so you can see some differences between the sigma and decile values.

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