Normally the corn is mature or close on this date. Late plantings and cool weather has much of the corn weeks behind normal. This corn is building starch levels and if interrupted by frost or drought the amount of harvest weight decreases even though the same amount of kernels get harvested. Here is a coulpe of charts showing what I have been concerned about in the western corn belt.
click, copy, paste on link for frost risk map. http://insights.climate.co/
click,copy, paste on link to see drought map http://droughtmonitor.unl.edu/monitor.html
(Sorry that you need to link to other pages but the blog site isn't letting me copy them today.)
Looking at the two maps you notice that there is overlap in the frost risk and drought risk. That area was the most impacted by delayed plantings this spring also.
USDA september corn production estimate is now 13.84 billion bushels. Historicaly they are right 90% of the time but their method only computes what is known that day per sample. Because things may change after sampling I still think the final number will be some lower.
Serving together, Dean
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