{"access":"sample","sample":true,"sample_size":12,"observations_total":16,"signal":"mississippi-low-water-2026","key":"locks27-grain-tons","family":"FLOW","variable":"All grain moved downbound through Mississippi River Locks 27, week ending Saturday (sum of corn, soybeans, wheat, other grain)","unit":"short tons","geography":"US-IL","publisher":"usace","source_url":"https://agtransport.usda.gov/resource/n4pw-9ygw.json?%24where=date+between+%272026-07-01T00%3A00%3A00%27+and+%272026-10-17T23%3A59%3A59%27+AND+lock+%3D+%27MS+Locks+27%27&%24limit=5000&%24order=date%2Ccommodity","source_sha256":"8e72ca0d9bfa585f21b6e8c28bdcfc3992d02ff7ad38b6da76e4ee6078cc8303","collected_at":"2026-10-22T22:53:38.771768+00:00","period_grain":"week","derived":{"op":"sum","inputs":["locks27-corn-tons","locks27-soybeans-tons","locks27-wheat-tons","locks27-other-tons"]},"rights":"PUBLIC_DOMAIN","observations_withheld":false,"observations":[{"period":"2026-08-01","value":609400},{"period":"2026-08-08","value":631700},{"period":"2026-08-15","value":548900},{"period":"2026-08-22","value":388800},{"period":"2026-08-29","value":448100},{"period":"2026-09-05","value":267500},{"period":"2026-09-12","value":260600},{"period":"2026-09-19","value":178400},{"period":"2026-09-26","value":153944},{"period":"2026-10-03","value":84300},{"period":"2026-10-10","value":103900},{"period":"2026-10-17","value":349600}]}