The month of July has mercifully come to a close with the stormy and muggy weather replaced by comfortable temperatures, but poor air quality. The featured chart presents a smoothed analysis of total precipitation differences between July 1993 and July 2025 for long term climate sites having data for both years. While there was some flooding this July, it certainly wasn't to the scale of what happened during 1993. The next few daily features will try to show why the situation was different. So the featured map today subtracts the 1993 total from 2025, so a negative (red shading) value would indicate the 1993 total was larger than 2025. So while some parts of the state had more precipitation during 2025, there are some some very large differences in the other direction. You can generate this same map to compare the two years for June and you will find a similar story and most relevant for Des Moines 1993 flooding, much less precipitation over the river basins north of Des Moines than during June 1993.

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