
A Farm Progress article by Matt Montgomery uses Beck's analysis of 10 years of Midwest Regional Climate Center data to identify periods of high rainfall variability in the Corn Belt from April 1 to August 20. It is an agronomic analysis of when rainfall is least predictable for planting and silking.
The article offers planning context on rainfall uncertainty during planting and silking but no new supply shock, so it has little direct price impact.
After 445 past neutral weather events, Corn moved a median +0.1% over 5 sessions (52% higher; middle half -1.4% to +1.6%), and +0.7% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.