{"access":"sample","sample":true,"sample_size":12,"observations_total":142,"signal":"illinois-dry-fall-anhydrous-ammonia-window-2026","key":"lock27-fertilizer-up-tons","family":"FLOW","variable":"All fertilizer moved upbound through Mississippi River Locks 27, monthly (USACE LPMS via USDA AgTransport 'Monthly Grain and Fertilizer Barge Movements')","unit":"short tons","geography":"US-IL","publisher":"usace","source_url":"https://agtransport.usda.gov/api/views/sthp-khuk/rows.csv?accessType=DOWNLOAD","source_sha256":"b37d54bcb396b141449ed65fdb382b2e53a60a302bf551afc2287a7fb5906bea","collected_at":"2026-11-09T16:27:30+01:00","period_grain":"month","derived":null,"rights":"PUBLIC_DOMAIN","publisher_name":"U.S. Army Corps of Engineers (via USDA AgTransport)","licence":"U.S. federal government work (17 U.S.C. §105). Dataset metadata on AgTransport states useRestriction: Unrestricted.","licence_evidence_url":"https://agtransport.usda.gov/api/views/n4pw-9ygw.json","licence_checked_at":"2026-10-23","observations_withheld":false,"observations":[{"period":"2025-11","value":333500},{"period":"2025-12","value":222700},{"period":"2026-01","value":218500},{"period":"2026-02","value":202100},{"period":"2026-03","value":559800},{"period":"2026-04","value":857900},{"period":"2026-05","value":419800},{"period":"2026-06","value":252100},{"period":"2026-07","value":406700},{"period":"2026-08","value":548800},{"period":"2026-09","value":640430},{"period":"2026-10","value":591100}]}