{"uid":"cap_DG4FxEuzU5wCAkqDm7dcs","slug":"greeneris-data-solar-irradiance-temperature-history-0f7cb83d","name":"greeneris-data Solar Irradiance & Temperature History","description":"Historical daily solar irradiance and weather series from NASA POWER for any lat/lon: ALLSKY_SFC_SW_DWN (kWh/m2/day), T2M (deg C), WS10M (m/s) and other POWER codes. Query: ?latitude=48.85&longitude=2.35&start=20260601&end=20260630&parameters=ALLSKY_SFC_SW_DWN,T2M. Coverage 1981..present (few days lag), max 366 days per call, -999 marks missing days. 24h cache. Sized for PV project due diligence, agrivoltaics and off-grid design.","url":"https://data.greeneris.io/v1/solar/history","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["latitude","longitude","start","end"],"properties":{"end":{"type":"string","description":"End date YYYYMMDD (max 366 days after start)"},"start":{"type":"string","description":"Start date YYYYMMDD (>= 19810101)"},"latitude":{"type":"number","description":"Latitude, decimal degrees (-90..90)"},"longitude":{"type":"number","description":"Longitude, decimal degrees (-180..180)"},"parameters":{"type":"string","default":"ALLSKY_SFC_SW_DWN,T2M","description":"1-6 comma-separated NASA POWER codes"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"end":"2026-06-05","daily":{"T2M":{"20260601":18.41,"20260602":16.17},"ALLSKY_SFC_SW_DWN":{"20260601":7.0603,"20260602":4.3289}},"start":"2026-06-01","units":{"T2M":"C","ALLSKY_SFC_SW_DWN":"kW-hr/m^2/day"},"source":"NASA POWER (power.larc.nasa.gov), NASA open data","latitude":48.85,"longitude":2.35,"fill_value":-999}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hm24_nvSAbh0JZEzAGfoo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns daily historical solar irradiance and surface temperature data for any geographic location using NASA POWER data, for a specified date range.","exampleAgentPrompt":"Pull me the daily solar irradiance and surface temperature for Paris (latitude 48.85, longitude 2.35) from June 1 to June 30, 2026 — I need the ALLSKY_SFC_SW_DWN and T2M parameters from the NASA POWER dataset.","exampleUseCases":[{"title":"Solar panel performance validation study","prompt":"I need historical solar irradiance data for my rooftop installation in Berlin from January through March 2025. Can you grab the daily ALLSKY_SFC_SW_DWN values at 52.52°N, 13.40°E so I can compare actual output against the manufacturer's projections?"},{"title":"Agricultural site climate assessment","prompt":"We're planning an agrivoltaic farm in southern Spain around coordinates 37.5°N, 3.0°W. Pull the daily solar irradiance and temperature readings for the past year — specifically ALLSKY_SFC_SW_DWN and T2M — so we can figure out if the site's viable for both crops and panels."},{"title":"Off-grid cabin feasibility analysis","prompt":"I'm designing an off-grid power system for a remote cabin in the Scottish Highlands at 57.2°N, 4.5°W. Get me the daily solar irradiance and wind speed data for the last three years to model whether we can reliably generate enough power through winter months."}],"resultDescription":"A JSON object containing daily values keyed by date (YYYYMMDD) for each requested NASA POWER parameter (e.g. solar irradiance in kWh/m²/day, temperature in °C), plus the latitude, longitude, date range, units, and source attribution. Missing data is represented by fill_value -999.","failureModes":["Missing required query params (latitude, longitude, start, end) — HTTP 400","Date range exceeds 366 days — HTTP 400 or data truncation","Start date before 19810101 — HTTP 400 (NASA POWER coverage begins 1981)","Invalid NASA POWER parameter code — HTTP 400 or empty data","HTTP 402 returned if payment not included — machine-readable quote for USDC payment via x402","Location over ocean or outside NASA coverage — fill_value -999 returned for affected dates"],"whenToPreferThis":"Choose this endpoint when you need historical daily solar irradiance or surface temperature data for any global coordinate, especially for renewable energy site assessment, solar panel performance analysis, or climate research. It proxies NASA POWER open data at commodity pay-per-call pricing with no account required — ideal for AI agents needing programmatic access without API key setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:44:39.967Z","isFirstParty":false}