It has been a rather strange start to the growing season. The month of April was quite warm and wet, leading to an early start to the growing season with plenty of growing degree days accumulated prior to the start of May. May has now started off rather dry with low humidity levels allowing overnight temperatures to cool below freezing over a number of days so far this May. USDA NASS released their weekly crop progress report yesterday and estimated 72% of Iowa's corn crop having already been planted, a 30 percentage point increase over the estimate last week thanks to the mostly dry start to May. The featured chart looks into the weekly percentage point change in crop planting progress as estimated by NASS. The left hand labels show the year and the maximum weekly change value for each year. A 30 percentage point change is about at the middle of possible yearly maximum values.

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Tags:   nass