
December corn futures rose 7 cents to $5.20 1/4 on September 14 after USDA showed a slight drop in good-to-excellent ratings, while November soybeans fell 2.25 cents. Wheat surged on concern over Plains heat during winter seeding.
December soymeal fell $3.40 to $341.80 per ton.
Crop-condition concerns and heat-related yield worries support corn prices, while softer soymeal eases feed protein costs.
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 1,072 past bullish weather events, Wheat (SRW) moved a median +0.2% over 5 sessions (55% higher; middle half -1.4% to +2.3%), and +0.3% over 20.
After 118 past bearish weather events, Soybean Meal moved a median -0.8% over 5 sessions (35% higher; middle half -3.2% to +0.4%), and -1.6% over 20.
After 324 past neutral weather events, Soybeans moved a median +0.0% over 5 sessions (52% higher; middle half -1.4% to +1.7%), 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.