{"location":{"city":"Marki","voivodeship":"Podkarpackie","community":"Gmina Baranów Sandomierski","postalCode":"39-451","latitude":50.444,"longitude":21.6234,"elevation":154},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":9.4,"monthly":[{"month":1,"outsideTemp":-1.61,"heatingDays":31,"degreeDayNum":607,"solarIrradianceKwhM2":27.8,"windSpeedAvg":5.15,"relativeHumidity":82.6,"outsideTempOnHeatingDays":-1.61},{"month":2,"outsideTemp":-0.37,"heatingDays":28,"degreeDayNum":519,"solarIrradianceKwhM2":46.1,"windSpeedAvg":5.16,"relativeHumidity":80.5,"outsideTempOnHeatingDays":-0.37},{"month":3,"outsideTemp":3.48,"heatingDays":31,"degreeDayNum":450,"solarIrradianceKwhM2":89,"windSpeedAvg":5.25,"relativeHumidity":74.6,"outsideTempOnHeatingDays":3.48},{"month":4,"outsideTemp":9.44,"heatingDays":29,"degreeDayNum":257,"solarIrradianceKwhM2":129.7,"windSpeedAvg":4.79,"relativeHumidity":69.4,"outsideTempOnHeatingDays":9.29},{"month":5,"outsideTemp":14.68,"heatingDays":24,"degreeDayNum":114,"solarIrradianceKwhM2":159.2,"windSpeedAvg":4.63,"relativeHumidity":69.6,"outsideTempOnHeatingDays":13.39},{"month":6,"outsideTemp":18.25,"heatingDays":14,"degreeDayNum":36,"solarIrradianceKwhM2":164,"windSpeedAvg":4.49,"relativeHumidity":70,"outsideTempOnHeatingDays":15.5},{"month":7,"outsideTemp":20.17,"heatingDays":7,"degreeDayNum":13,"solarIrradianceKwhM2":161.7,"windSpeedAvg":4.31,"relativeHumidity":69.8,"outsideTempOnHeatingDays":16.36},{"month":8,"outsideTemp":19.84,"heatingDays":8,"degreeDayNum":16,"solarIrradianceKwhM2":142.9,"windSpeedAvg":4.09,"relativeHumidity":69.3,"outsideTempOnHeatingDays":16.15},{"month":9,"outsideTemp":14.82,"heatingDays":24,"degreeDayNum":104,"solarIrradianceKwhM2":94.7,"windSpeedAvg":4.51,"relativeHumidity":74.5,"outsideTempOnHeatingDays":13.75},{"month":10,"outsideTemp":9.52,"heatingDays":30,"degreeDayNum":263,"solarIrradianceKwhM2":59.6,"windSpeedAvg":4.69,"relativeHumidity":79.1,"outsideTempOnHeatingDays":9.4},{"month":11,"outsideTemp":4.52,"heatingDays":30,"degreeDayNum":404,"solarIrradianceKwhM2":30.8,"windSpeedAvg":4.84,"relativeHumidity":83.3,"outsideTempOnHeatingDays":4.52},{"month":12,"outsideTemp":0.08,"heatingDays":31,"degreeDayNum":555,"solarIrradianceKwhM2":21,"windSpeedAvg":5.01,"relativeHumidity":83.1,"outsideTempOnHeatingDays":0.08}],"groundTemp1m":9.74,"groundTemp2m":9.74,"solarIrradianceKwhM2Year":1126.5,"windSpeedAvg":4.74,"relativeHumidityAvg":75.5,"suitability":{"score":72,"rating":"good","color":"lime","estimatedScop":4.2,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:08:43.058Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}