{
 "tool": "sediment-basin",
 "toolVersion": "1.0.0",
 "methods": [
  "nrcs 1.1.0"
 ],
 "commit": "ab22876",
 "date": "2026-11-04",
 "summary": "2 of 2 cases (2 values) within tolerance against Hand calculation of the published equation, NRCS TR-55 (1986).",
 "note": "Generated by _workspace/tools/hh_verification.mjs from the fixtures; commit = code verified.",
 "cases": [
  {
   "id": "ARITH-SEDBASIN",
   "what": "Sediment basin: 3.9 in on CN 91 by the curve number equation (per-acre volume is Q/12 x 43,560 ft3)",
   "reference": "Hand calculation of the published equation (published example)",
   "compared": 1,
   "maxDiff": "0.00 %",
   "pass": true
  },
  {
   "id": "TR55-E2",
   "what": "TR-55 Example 2-1: runoff from 6.0 in of rain on CN 70",
   "reference": "NRCS TR-55 (1986) (published example)",
   "compared": 1,
   "maxDiff": "0.17 %",
   "pass": true
  }
 ]
}