
Illinois recorded its third-wettest May on record, with statewide precipitation of 8.43 inches, 3.83 inches above average. Spring 2019 is on track to rank among the four wettest in state history, and the state has had six straight months of above-average rainfall.
The period also featured an active, stormy pattern with severe weather.
Persistent excess rain in a major corn and soybean state signals planting and yield risk, which supports feed grain prices. The effect is mainly a supporting signal alongside other flooding and planting reports.
After 1,465 past bullish weather events, Corn moved a median +0.2% over 5 sessions (54% higher; middle half -1.4% to +1.9%), and +0.9% over 20.
After 1,079 past bullish weather events, Soybeans moved a median +0.3% over 5 sessions (54% higher; middle half -1.4% to +2.0%), and +0.9% 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.