{"access":"sample","sample":true,"sample_size":12,"observations_total":142,"signal":"illinois-dry-fall-anhydrous-ammonia-window-2026","key":"il-precip-in","family":"PHYSICAL","variable":"Illinois statewide precipitation, monthly total (NOAA NCEI Climate at a Glance, nClimDiv)","unit":"inches","geography":"US-IL","publisher":"noaa-ncei","source_url":"https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/11/pcp/1/0/2015-2026/data.csv","source_sha256":"4ceba02390b414d8c6d759f73684e465d52101d4154095983520e7f4b217848f","collected_at":"2026-11-09T18:59:34+01:00","period_grain":"month","derived":null,"rights":"PUBLIC_DOMAIN","publisher_name":"NOAA National Centers for Environmental Information","licence":"U.S. federal government work (17 U.S.C. §105). The nClimDiv dataset record behind Climate at a Glance states as its only use constraints a citation (\"Cite as: Vose, Russell S.; ... (2014): NOAA Monthly U.S. Climate Divisional Database (NClimDiv) ... doi:10.7289/V5M32STR\") and a liability disclaimer (\"NOAA and NCEI make no warranty...\"); no restriction on reuse.","licence_evidence_url":"https://www.ncei.noaa.gov/access/metadata/landing-page/bin/iso?id=gov.noaa.ncdc:C00005","licence_checked_at":"2026-11-04","observations_withheld":false,"observations":[{"period":"2025-11","value":1.96},{"period":"2025-12","value":1.44},{"period":"2026-01","value":0.99},{"period":"2026-02","value":0.51},{"period":"2026-03","value":4.7},{"period":"2026-04","value":6},{"period":"2026-05","value":2.8},{"period":"2026-06","value":7.19},{"period":"2026-07","value":3.23},{"period":"2026-08","value":5.42},{"period":"2026-09","value":2.96},{"period":"2026-10","value":1.8}]}