{"location":{"city":"Psary","voivodeship":"Mazowieckie","community":"Obryte","postalCode":"07-215","latitude":52.7147,"longitude":21.191,"elevation":99},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.6,"monthly":[{"month":1,"outsideTemp":-1.99,"heatingDays":31,"degreeDayNum":619,"solarIrradianceKwhM2":21.9,"windSpeedAvg":5.43,"relativeHumidity":85.2,"outsideTempOnHeatingDays":-1.99},{"month":2,"outsideTemp":-1.01,"heatingDays":28,"degreeDayNum":537,"solarIrradianceKwhM2":39.7,"windSpeedAvg":5.39,"relativeHumidity":82.9,"outsideTempOnHeatingDays":-1.01},{"month":3,"outsideTemp":2.53,"heatingDays":31,"degreeDayNum":479,"solarIrradianceKwhM2":82.9,"windSpeedAvg":5.44,"relativeHumidity":76.9,"outsideTempOnHeatingDays":2.53},{"month":4,"outsideTemp":8.49,"heatingDays":29,"degreeDayNum":285,"solarIrradianceKwhM2":126.3,"windSpeedAvg":4.96,"relativeHumidity":71,"outsideTempOnHeatingDays":8.34},{"month":5,"outsideTemp":13.86,"heatingDays":26,"degreeDayNum":136,"solarIrradianceKwhM2":161.7,"windSpeedAvg":4.83,"relativeHumidity":69.6,"outsideTempOnHeatingDays":12.83},{"month":6,"outsideTemp":17.34,"heatingDays":17,"degreeDayNum":50,"solarIrradianceKwhM2":164.5,"windSpeedAvg":4.75,"relativeHumidity":69.6,"outsideTempOnHeatingDays":15.15},{"month":7,"outsideTemp":19.44,"heatingDays":10,"degreeDayNum":19,"solarIrradianceKwhM2":163.8,"windSpeedAvg":4.57,"relativeHumidity":70.7,"outsideTempOnHeatingDays":16.25},{"month":8,"outsideTemp":18.95,"heatingDays":12,"degreeDayNum":24,"solarIrradianceKwhM2":138.8,"windSpeedAvg":4.41,"relativeHumidity":70.6,"outsideTempOnHeatingDays":16.03},{"month":9,"outsideTemp":14.05,"heatingDays":26,"degreeDayNum":123,"solarIrradianceKwhM2":89,"windSpeedAvg":4.77,"relativeHumidity":76.4,"outsideTempOnHeatingDays":13.38},{"month":10,"outsideTemp":8.63,"heatingDays":30,"degreeDayNum":290,"solarIrradianceKwhM2":53,"windSpeedAvg":5.1,"relativeHumidity":81.6,"outsideTempOnHeatingDays":8.6},{"month":11,"outsideTemp":3.74,"heatingDays":30,"degreeDayNum":427,"solarIrradianceKwhM2":24.1,"windSpeedAvg":5.11,"relativeHumidity":86.4,"outsideTempOnHeatingDays":3.74},{"month":12,"outsideTemp":-0.28,"heatingDays":31,"degreeDayNum":566,"solarIrradianceKwhM2":15.5,"windSpeedAvg":5.25,"relativeHumidity":86.4,"outsideTempOnHeatingDays":-0.28}],"groundTemp1m":9.09,"groundTemp2m":9.09,"solarIrradianceKwhM2Year":1081.3,"windSpeedAvg":5,"relativeHumidityAvg":77.3,"suitability":{"score":64,"rating":"fair","color":"yellow","estimatedScop":4.1,"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":"2026-05-19T12:20:39.086Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}