
Cold late autumn and early winter weather extended a late-summer dryness pattern across Canada and the United States. Drought or abnormal dryness persisted in the Rocky Mountains, the Pacific Northwest and the Midwest, and November through December did not bring much relief.
Frozen ground in Canada limits moisture infiltration from snowmelt.
Dry soils going into winter raise concern about yields for the coming crop if spring rains fall short. This supports corn and wheat prices in the near term.
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 322 past bullish weather events, KWHEAT moved a median -0.1% over 5 sessions (49% higher; middle half -2.5% to +3.2%), and +1.0% 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.