Verified from a Thai ISP that lsim.rid.go.th is unreachable (not
geo-blocked), then swept for any better-than-daily Mae Ngat source.
Key finding: P.75 sits 3.8 km below the dam, reports hourly, and has
been a model feature since v1 — the model has always read the dam's
actual outflow, hourly and directly. That is the likelier reason the
daily reservoir table adds nothing, beyond its publication lag.
Intraday reservoir feeds do exist and are open (bigdata-api.rid.go.th
SWOC, ThaiWater ridhydro_TUP.16 at the dam) but are snapshot-only with
no archive, so they cannot retrain against past events; the HII
collector accumulates them from 2026-08-11 for a post-monsoon revisit.
Also documents api/dam (whole per-dam range in one request, vs the
~2,900-request per-day loop) and several cross-check mirrors.