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Middle Mississippi river levels were about 8 feet below the post-1967 average in late August, with gauges forecast to hit record daily lows without rain. Low-water records were broken five times each in June and July, and the Corps was dredging channels.
Persistent low water restricts barge loadings on a key grain corridor during harvest, raising transport costs and weighing on Midwest cash grain prices relative to futures.
waterwaysjournal.netDavid Murray2023年8月25日历史可比事件尚不足，暂无法给出历史解读。
在过去 359 次看跌的物流事件之后，玉米 在 5 个交易日内中位数变动 -0.3%（44% 上涨；中间一半区间为 -1.5% 至 +1.5%），20 个交易日内为 -0.5%。
在过去 297 次看跌的物流事件之后，大豆 在 5 个交易日内中位数变动 +0.3%（54% 上涨；中间一半区间为 -1.5% 至 +1.8%），20 个交易日内为 +0.7%。
各商品基准价相对事件前最后收盘价的变动。历史数据汇总同类过往事件；仅描述已发生的情况，不代表未来走势。不构成投资建议。
Middle Mississippi levels forecast to hit record lows and repeated low-water records with dredging signal tightening barge supply on the St. Louis stretch.
