US Columbia Fish Passage Plans and Spill-Cap Reports ATG Data · US reference · Columbia fish-passage plans, change forms and spill-cap reports with plan years, content revisions, URLs and PDF page/chunk references. Evidence for published requirements and stated validity.daily revision check —— US CONAGUA Daily Reservoir, River and Climate Measurements ATG Data · US reference · CONAGUA's daily station measurements: reservoir level, stored volume, outflow and spill; river discharge; rainfall, evaporation, temperatures, pressure and humidity. Some stations reach back to the 1920s.daily observations, refreshed four times a day in rotation —— US CONAGUA Hydrometric and Climate Stations ATG Data · US reference · CONAGUA's catalogs of reservoirs, river gauges and weather stations across Mexico, with name, coordinates, altitude, state and municipality.catalog snapshot —— US ECCC Daily Mean Hydrometric (Columbia) ATG Data · US reference · HYDAT daily mean level and discharge for Canadian Columbia basin gauges and reservoirs, back to 1903.daily 644.0K1903 US ECCC Real-Time Hydrometric (Columbia) ATG Data · US reference · Real-time water level and discharge at Canadian Columbia basin gauges, including the Columbia River Treaty reservoirs.5-minute 273.8K2026 US Hydro-Québec Energy Reserve Scenarios ATG Data · US reference · Hydro-Québec's projected energy reserves and supply margins under its reliability criteria and hydrology scenarios, as filed with the Régie de l'énergie.annual filings —— US Hydro-Québec Generating Station Flows ATG Data · US reference · Hourly total, turbined and spilled flow at Hydro-Québec's generating stations, and daily filtered inflow, in m³/s. identifiant is the station; xcoord/ycoord its longitude/latitude.hourly flow sampling; twice-daily dataset publication —— US Hydro-Québec Reservoir Energy Stock ATG Data · US reference · The energy stored in Hydro-Québec's reservoirs on January 1 of each year, in TWh, as read from its annual reliability-of-supply reports to the Régie de l'énergie.annual, 2007–2025 —— US Hydro-Québec Water Levels and Weather Stations ATG Data · US reference · Hourly water levels at Hydro-Québec reservoirs and rivers, and temperature, precipitation, snow depth, snow water equivalent, humidity and wind at its weather stations. xcoord/ycoord are longitude/latitude.hourly —— US NRCS Streamflow Volume Forecasts (Pacific Northwest) ATG Data · US reference · Official NRCS seasonal streamflow volume forecasts at HUC 17 forecast points, including the Columbia at Grand Coulee and The Dalles, every exceedance level and issuance, publications back to 1938.semi-monthly (Jan-Jun) 428.2K1938 US NWRFC Observed River Conditions ATG Data · US reference · Observed inflow, outflow, forebay and stage NWRFC prints beside its forecasts.hourly 127.0K2026 US NWRFC Short-Range River Forecasts ATG Data · US reference · Official NWRFC short-range (about ten-day, six-hourly) forecasts of inflow, outflow, forebay and stage at Columbia Basin hydro projects, every issuance kept.hourly 71.8K2026 US NWRFC Water Supply Forecasts ATG Data · US reference · NWRFC seasonal runoff volume forecasts at about 120 Northwest points, every exceedance level and issuance, back to water year 2005.daily 10.9M2005 US SNOTEL Daily Snowpack (Pacific Northwest) ATG Data · US reference · Daily snow water equivalent, snow depth, precipitation and temperature at HUC 17 SNOTEL and SNOLITE stations, with the 30-year median and average for % of normal.daily 32.2M1965 US TVA City River Elevations and Forecasts ATG Data · US reference · Midnight river elevations in feet for 11 cities, with the observed day and three forecast days in one publication. The response does not label evidence per row; preserve the whole snapshot and its date context rather than calling every row observed.daily values, collected every 15 minutes 15.6K2026 US TVA Recreation Calendar Status Keys ATG Data · US reference · The companion calendar colors as printed. Join one snapshot of each publication by location_id and date_label; colors encode the source calendar legend and are not a measured flow.daily collection 14.6K2026 US TVA Recreation Release Calendars ATG Data · US reference · TVA annual recreation-release calendar descriptions and source Microsoft JSON date labels. Blank days are retained. Wilbur uses Watauga publication WTGT1; a recreation calendar is distinct from the current generation schedule.daily collection 14.6K2026 US TVA Reservoir Hourly Observations ATG Data · US reference · The published rolling 48 hours of reservoir elevation, tailwater elevation (feet above mean sea level) and average hourly discharge (cubic feet per second). Raw day and time_label preserve EDT/EST/CDT/CST. Midnight denotes the end of the printed day. Source sentinel values and missing readings are retained.hourly observations, collected every 15 minutes 737.7K2026 US TVA Reservoir Inflow and Elevation Forecasts ATG Data · US reference · TVA daily average inflow/outflow in cfs and predicted midnight reservoir elevation in feet for the published three-day horizon. snapshot_time is when collected; TVA does not supply an issuance timestamp.daily and intraday revisions, collected every 15 minutes 46.1K2026 US TVA Reservoir Operating Guides ATG Data · US reference · The published annual guide curve, flood guide, operating zones, expected elevation ranges and current/previous-year elevation columns. Calendar labels may use a template year; do not treat day as the observation year. document_context retains MidNightElevation and any other envelope fields.daily collection 78.5K2026 US TVA Valley Stream Stage and Flow ATG Data · US reference · Stage (feet) and flow (cfs) at the 35 selected unregulated-stream stations TVA publishes. The source time label carries the date and Eastern/Central zone; source estimation marks are preserved.periodic observations, collected every 15 minutes 12.4K2026 US USGS Stream Gauges (15-minute) ATG Data · US reference · 15-minute discharge (ft3/s) and gage height (ft) at USGS gauges, with coordinates on every row.15-minute 76.7M2026