{"data":{"stationId":"12.555.0","stationName":"Holsfjorden","latitude":60.59809,"longitude":8.34632,"utmEast_Z33":136018,"utmNorth_Z33":6736465,"masl":544,"riverName":"\u00c5ni","councilNumber":"3330","councilName":"Hol","countyName":"Buskerud","drainageBasinKey":2381,"hierarchy":"\u00c5ni/Hallingdalsvassdraget/Drammensvassdraget","lakeArea":0,"lakeName":"","lakeNo":597,"regineNo":"012.CFA3","reservoirNo":"","reservoirName":"","stationTypeName":"Privat, p\u00e5lagt","stationStatusName":"Aktiv","drainageBasinArea":829.13,"drainageBasinAreaNorway":829.13,"gradient1085":15.09,"gradientBasin":null,"gradientRiver":16.18,"heightMinimum":541,"heightHypso10":1021,"heightHypso20":1129,"heightHypso30":1161,"heightHypso40":1241,"heightHypso50":1553,"heightHypso60":1558,"heightHypso70":1568,"heightHypso80":1623,"heightHypso90":1717,"heightMaximum":1929,"lengthKmBasin":47.41,"lengthKmRiver":64.22,"percentAgricul":0.58,"percentBog":3,"percentEffBog":null,"percentEffLake":1.62,"percentForest":12.88,"percentGlacier":0.89,"percentLake":11.44,"percentMountain":69.98,"percentUrban":0.02,"utmZoneGravi":null,"utmEastGravi":null,"utmNorthGravi":null,"utmZoneInlet":null,"utmEastInlet":null,"utmNorthInlet":null,"utmZoneOutlet":null,"utmEastOutlet":null,"utmNorthOutlet":null,"annualRunoff":805.09,"specificDischarge":30.77,"regulationArea":829.1,"areaReservoirs":55.47,"volumeReservoirs":745,"regulationPartReservoirs":0.93,"transferAreaIn":124.01,"transferAreaOut":272.34,"reservoirAreaIn":7.87,"reservoirAreaOut":29.27,"reservoirVolumeIn":98.5,"reservoirVolumeOut":190.4,"remainingArea":0.03,"numberReservoirs":6,"firstYearRegulation":1949,"catchmentRegTypeName":"Regulert m/magasinregulering og overf\u00f8ringer","owner":"E-CO Vannkraft AS,  EKD","qNumberOfYears":null,"qStartYear":null,"qEndYear":null,"qm":null,"q5":null,"q10":null,"q20":null,"q50":null,"hm":null,"h5":null,"h10":null,"h20":null,"h50":null,"culQm":null,"culQ5":null,"culQ10":null,"culQ20":null,"culQ50":null,"culHm":null,"culH5":null,"culH10":null,"culH20":null,"culH50":null,"seriesList":[{"parameterName":"Magasinvolum","parameter":1004,"versionNo":1,"unit":"millioner m\u00b3","serieFrom":null,"serieTo":null,"resolutionList":[{"resTime":0,"method":"Instantaneous","timeOffset":0,"dataFromTime":"1993-09-01T00:00:00Z","dataToTime":"2005-09-29T23:00:00Z"},{"resTime":60,"method":"Mean","timeOffset":0,"dataFromTime":"1993-09-01T01:00:00Z","dataToTime":"2005-09-29T23:00:00Z"},{"resTime":1440,"method":"Mean","timeOffset":0,"dataFromTime":"1993-09-01T11:00:00Z","dataToTime":"2005-09-29T11:00:00Z"}]}]},"entity":{"type":"hydrology_station","id":"12.555.0","namespace":"nve:station","canonical_id":"nve:station:12.555.0","name":"Holsfjorden","description":"\u00c5ni","source":"nve","coordinates":{"lat":60.59809,"lon":8.34632,"crs":"WGS84"},"_links":{"wiki":"https://allemannsdata.com/wiki/vann/stasjon/12.555.0/","api":"https://allemannsdata.com/wiki/api/v1/nve/stasjoner/12.555.0","place":"https://allemannsdata.com/wiki/api/v1/steder/60.59809/8.34632"}},"_meta":{"retrieved_at":"2026-09-21T12:55:17Z","language":"en","content_languages":["en"],"sources":[{"id":"nve","name":"NVE HydAPI","description":"Hydrological stations and observations for water level, discharge, temperature, snow and groundwater, plus every hydro and wind power plant with owner, capacity and production.","documentation":"https://hydapi.nve.no/UserDocumentation/","cache_ttl_seconds":60,"rate_limit":"The gateway monitors upstream quota information and caches metadata."}],"cache":{"hit":false,"stored_at":"2026-09-21T12:55:17Z","expires_at":"2026-09-21T12:56:17Z","ttl_seconds":60,"remaining_ttl_seconds":60,"age_seconds":0,"scope":"process"}},"_provenance":{"data":{"source":"nve","source_api":"https://allemannsdata.com/wiki/api/v1/kilder/nve"},"entity":{"source":"nve","source_api":"https://allemannsdata.com/wiki/api/v1/kilder/nve","derived_from":"#/data"}},"_links":{"self":"https://allemannsdata.com/wiki/api/v1/nve/stasjoner/12.555.0","wiki":"https://allemannsdata.com/wiki/vann/stasjon/12.555.0/","source":"https://allemannsdata.com/wiki/api/v1/kilder/nve"}}
