{"source":"frost","operation":"get_observations","description":"Get measured weather observations for a station over a date range. Signature: get_observations(station_id: string, required; elements: string, required; from_date: string, required; to_date: string, required; limit: integer, items, optional, default 1000; offset: integer, items, optional, default 0).","signature":"get_observations(station_id: string, required; elements: string, required; from_date: string, required; to_date: string, required; limit: integer, items, optional, default 1000; offset: integer, items, optional, default 0)","parameters":[{"name":"station_id","type":"string","schema":{"type":"string"},"required":true,"default":null,"description":"A station id from find_stations, e.g. \"SN18700\".","unit":null},{"name":"elements","type":"string","schema":{"type":"string"},"required":true,"default":null,"description":"One or more Frost element codes, comma-separated. Examples: \"mean(air_temperature P1D)\" (daily mean temp), \"sum(precipitation_amount P1D)\" (daily precipitation), \"max(air_temperature P1D)\", \"min(air_temperature P1D)\", \"mean(wind_speed P1D)\". Use get_available_elements to see what a station offers.","unit":null},{"name":"from_date","type":"string","schema":{"type":"string"},"required":true,"default":null,"description":"Start date (inclusive), ISO \"YYYY-MM-DD\".","unit":null},{"name":"to_date","type":"string","schema":{"type":"string"},"required":true,"default":null,"description":"End date (exclusive), ISO \"YYYY-MM-DD\".","unit":null},{"name":"limit","type":"integer","schema":{"type":"integer"},"required":false,"default":1000,"description":"Max observation rows to return (default 1000). Unit: items.","unit":"items"},{"name":"offset","type":"integer","schema":{"type":"integer","minimum":0,"default":0},"display_type":"integer","required":false,"default":0,"description":"Number of list items to skip before returning the page.","unit":"items"}],"json_get_url_template":"https://allemannsdata.com/wiki/api/v1/kilder/frost/get_observations?station_id={station_id}&elements={elements}&from_date={from_date}&to_date={to_date}&limit=1000&offset=0","schema_scope":"#/data in the successful operation envelope","response_schema":{"type":"array","items":{"type":"object","properties":{"time":{"type":"string","format":"date-time"},"element":{"type":"string"},"value":{"type":["number","string"]},"unit":{"type":"string"},"quality_code":{"type":["integer","number"]},"time_offset":{"type":"string"}},"additionalProperties":false,"required":["time","element"]}},"response_schema_status":{"status":"declared","codegen_safe":true,"description":"Maintained response contract."},"entity_projection":{"status":"projected","entity_types":["weather_station","place"],"description":"Recognized records and stable operation identifiers are projected; an empty array means the successful payload contained no recognizable entity."},"error_contract":{"scope":"top-level HTTP error response; never part of a success payload","schema":{"type":"object","properties":{"error":{"type":"object","properties":{"code":{"type":"string"},"message":{"type":"string"},"retryable":{"type":"boolean"},"details":{"type":"object"}},"additionalProperties":false,"required":["code","message","retryable"]},"suggestion":{"type":"string"},"_meta":{"type":"object","properties":{"retrieved_at":{"type":"string","format":"date-time"},"language":{"type":"string","const":"en"},"content_languages":{"type":"array","items":{"type":"string"}},"sources":{"type":"array","items":{"type":"object"}}},"required":["retrieved_at","language","content_languages","sources"]},"_links":{"type":"object","properties":{"self":{"type":"string","format":"uri"},"api_index":{"type":"string","format":"uri"},"feedback":{"type":"string","format":"uri"}},"required":["self","api_index","feedback"],"additionalProperties":false}},"additionalProperties":false,"required":["error","suggestion","_meta","_links"]},"statuses":{"400":{"codes":["MISSING_PARAMETER","INVALID_PARAMETER","INVALID_REQUEST"],"retryable":false},"404":{"codes":["SOURCE_NOT_FOUND","OPERATION_NOT_FOUND","ENTITY_NOT_FOUND"],"retryable":false},"429":{"codes":["RATE_LIMITED","GATEWAY_RATE_LIMITED"],"retryable":true},"502":{"codes":["SOURCE_UNAVAILABLE"],"retryable":true},"500":{"codes":["INTERNAL_ERROR"],"retryable":true}}},"_links":{"self":"https://allemannsdata.com/wiki/api/v1/kilder/frost/get_observations","operation":"https://allemannsdata.com/wiki/api/v1/kilder/frost/get_observations","source":"https://allemannsdata.com/wiki/api/v1/kilder/frost","feedback":"https://allemannsdata.com/wiki/api/v1/feedback"},"output_fields":["[].time","[].element","[].value","[].unit","[].quality_code","[].time_offset"],"output_fields_truncated":false,"canonical_field_aliases":{"timestamp":["[].time"]},"response_example":{"source":"frost","operation":"get_observations","parameters":{"station_id":"example-id","elements":"example value","from_date":"2026-01-15","to_date":"2026-01-15","limit":1000},"data":[{"time":"2026-01-15T12:00:00Z","element":"example value","value":1.0,"unit":"example value","quality_code":1,"time_offset":"2026-01-15T12:00:00Z"}],"entities":[],"_meta":{"retrieved_at":"2026-01-15T12:00:00Z","language":"en","content_languages":["en"],"sources":[{"id":"frost","name":"Frost historical weather and climate","description":"Measured historical weather observations and climate normals from MET Norway's weather-station network.","cache_ttl_seconds":300,"documentation":"https://frost.met.no/index.html"}]},"_provenance":{"data":{"source":"frost","source_api":"https://allemannsdata.com/wiki/api/v1/kilder/frost"},"entities":{"source":"frost","source_api":"https://allemannsdata.com/wiki/api/v1/kilder/frost","derived_from":"#/data","description":"Normalized projection of data."}},"_links":{"self":"https://allemannsdata.com/wiki/api/v1/kilder/frost/get_observations","source":"https://allemannsdata.com/wiki/api/v1/kilder/frost","wiki":"https://allemannsdata.com/wiki/kilder/frost/get_observations/","feedback":"https://allemannsdata.com/wiki/api/v1/feedback"}}}
