{"location":{"city":"Laskowizna","voivodeship":"Mazowieckie","community":"Brok","postalCode":"07-306","latitude":52.734,"longitude":21.8087,"elevation":113},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.6,"monthly":[{"month":1,"outsideTemp":-2.12,"heatingDays":31,"degreeDayNum":623,"solarIrradianceKwhM2":21.4,"windSpeedAvg":5.35,"relativeHumidity":85.2,"outsideTempOnHeatingDays":-2.12},{"month":2,"outsideTemp":-1.13,"heatingDays":28,"degreeDayNum":540,"solarIrradianceKwhM2":39,"windSpeedAvg":5.3,"relativeHumidity":83,"outsideTempOnHeatingDays":-1.13},{"month":3,"outsideTemp":2.45,"heatingDays":31,"degreeDayNum":482,"solarIrradianceKwhM2":82.5,"windSpeedAvg":5.35,"relativeHumidity":76.8,"outsideTempOnHeatingDays":2.45},{"month":4,"outsideTemp":8.48,"heatingDays":29,"degreeDayNum":286,"solarIrradianceKwhM2":125.1,"windSpeedAvg":4.86,"relativeHumidity":70.5,"outsideTempOnHeatingDays":8.36},{"month":5,"outsideTemp":13.92,"heatingDays":26,"degreeDayNum":135,"solarIrradianceKwhM2":160.6,"windSpeedAvg":4.75,"relativeHumidity":68.9,"outsideTempOnHeatingDays":12.84},{"month":6,"outsideTemp":17.36,"heatingDays":17,"degreeDayNum":50,"solarIrradianceKwhM2":163.3,"windSpeedAvg":4.68,"relativeHumidity":69.2,"outsideTempOnHeatingDays":15.15},{"month":7,"outsideTemp":19.45,"heatingDays":10,"degreeDayNum":19,"solarIrradianceKwhM2":162.7,"windSpeedAvg":4.49,"relativeHumidity":70.4,"outsideTempOnHeatingDays":16.2},{"month":8,"outsideTemp":18.93,"heatingDays":12,"degreeDayNum":24,"solarIrradianceKwhM2":138,"windSpeedAvg":4.34,"relativeHumidity":70.4,"outsideTempOnHeatingDays":15.95},{"month":9,"outsideTemp":14.03,"heatingDays":26,"degreeDayNum":124,"solarIrradianceKwhM2":88.1,"windSpeedAvg":4.7,"relativeHumidity":76.2,"outsideTempOnHeatingDays":13.35},{"month":10,"outsideTemp":8.59,"heatingDays":30,"degreeDayNum":291,"solarIrradianceKwhM2":52.5,"windSpeedAvg":5.05,"relativeHumidity":81.4,"outsideTempOnHeatingDays":8.56},{"month":11,"outsideTemp":3.65,"heatingDays":30,"degreeDayNum":430,"solarIrradianceKwhM2":23.7,"windSpeedAvg":5.06,"relativeHumidity":86.3,"outsideTempOnHeatingDays":3.65},{"month":12,"outsideTemp":-0.42,"heatingDays":31,"degreeDayNum":571,"solarIrradianceKwhM2":15.2,"windSpeedAvg":5.18,"relativeHumidity":86.5,"outsideTempOnHeatingDays":-0.42}],"groundTemp1m":9.02,"groundTemp2m":9.02,"solarIrradianceKwhM2Year":1071.8,"windSpeedAvg":4.92,"relativeHumidityAvg":77.1,"suitability":{"score":63,"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":"2026-05-19T12:19:26.612Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}