{"access":"sample","sample":true,"sample_size":12,"observations_total":103,"signal":"illinois-dry-fall-anhydrous-ammonia-window-2026","key":"il-topsoil-short-vshort-pct","family":"PHYSICAL","variable":"Illinois topsoil moisture rated short or very short (sum of the two published categories), percent of cropland, week ending Sunday (USDA NASS weekly Crop Progress, 'Topsoil Moisture Condition - Selected States'); reports numbered 31-49 of 2021-2026 (weeks ending late July to late November), as available; 2025 weeks 40-45 null, no report issued","unit":"percent of topsoil (cropland-weighted)","geography":"US-IL","publisher":"usda-nass","source_url":"https://esmis.nal.usda.gov/node/2179","source_sha256":"d30032dad865bb4fcbd62977caf6f99e11fb0bee889a79bc7ef505c4505904ad","collected_at":"2026-11-04T17:11:01+01:00","period_grain":"week","derived":{"op":"sum","inputs":["il-topsoil-very-short-pct","il-topsoil-short-pct"]},"rights":"PUBLIC_DOMAIN","publisher_name":"USDA National Agricultural Statistics Service","licence":"U.S. federal government work (17 U.S.C. §105). NASS Citation Request page: \"Public domain information on the National Agricultural Statistics Service (NASS) Web pages may be freely downloaded and reproduced. However, it is requested that in any subsequent use of this work, USDA-NASS be given appropriate acknowledgment.\" Crop Progress reports are read from the USDA ESMIS archive (Cornell) that NASS publishes to.","licence_evidence_url":"https://www.nass.usda.gov/data-and-statistics/citation-request","licence_checked_at":"2026-11-04","observations_withheld":false,"observations":[{"period":"2026-W33","value":19},{"period":"2026-W34","value":13},{"period":"2026-W35","value":20},{"period":"2026-W36","value":39},{"period":"2026-W37","value":40},{"period":"2026-W38","value":36},{"period":"2026-W39","value":33},{"period":"2026-W40","value":35},{"period":"2026-W41","value":41},{"period":"2026-W42","value":32},{"period":"2026-W43","value":44},{"period":"2026-W44","value":49}]}