{"location":{"city":"Chodlik","voivodeship":"Lubelskie","community":"Karczmiska","postalCode":"24-310","latitude":51.2155,"longitude":21.9296,"elevation":136},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":9.2,"monthly":[{"month":1,"outsideTemp":-1.68,"heatingDays":31,"degreeDayNum":610,"solarIrradianceKwhM2":25,"windSpeedAvg":5,"relativeHumidity":83.4,"outsideTempOnHeatingDays":-1.68},{"month":2,"outsideTemp":-0.53,"heatingDays":28,"degreeDayNum":523,"solarIrradianceKwhM2":43.1,"windSpeedAvg":4.98,"relativeHumidity":81.4,"outsideTempOnHeatingDays":-0.53},{"month":3,"outsideTemp":3.2,"heatingDays":31,"degreeDayNum":458,"solarIrradianceKwhM2":87,"windSpeedAvg":5.08,"relativeHumidity":75.6,"outsideTempOnHeatingDays":3.2},{"month":4,"outsideTemp":9.31,"heatingDays":29,"degreeDayNum":261,"solarIrradianceKwhM2":128.6,"windSpeedAvg":4.64,"relativeHumidity":69.6,"outsideTempOnHeatingDays":9.17},{"month":5,"outsideTemp":14.59,"heatingDays":25,"degreeDayNum":117,"solarIrradianceKwhM2":160.5,"windSpeedAvg":4.47,"relativeHumidity":69.8,"outsideTempOnHeatingDays":13.32},{"month":6,"outsideTemp":18.05,"heatingDays":15,"degreeDayNum":39,"solarIrradianceKwhM2":166.1,"windSpeedAvg":4.3,"relativeHumidity":70.2,"outsideTempOnHeatingDays":15.41},{"month":7,"outsideTemp":20,"heatingDays":8,"degreeDayNum":14,"solarIrradianceKwhM2":163.1,"windSpeedAvg":4.17,"relativeHumidity":70.8,"outsideTempOnHeatingDays":16.4},{"month":8,"outsideTemp":19.59,"heatingDays":9,"degreeDayNum":17,"solarIrradianceKwhM2":142.2,"windSpeedAvg":4.01,"relativeHumidity":70.5,"outsideTempOnHeatingDays":16.14},{"month":9,"outsideTemp":14.65,"heatingDays":25,"degreeDayNum":108,"solarIrradianceKwhM2":92.5,"windSpeedAvg":4.37,"relativeHumidity":75.8,"outsideTempOnHeatingDays":13.66},{"month":10,"outsideTemp":9.25,"heatingDays":30,"degreeDayNum":271,"solarIrradianceKwhM2":57.8,"windSpeedAvg":4.64,"relativeHumidity":80.4,"outsideTempOnHeatingDays":9.22},{"month":11,"outsideTemp":4.28,"heatingDays":30,"degreeDayNum":411,"solarIrradianceKwhM2":28.4,"windSpeedAvg":4.75,"relativeHumidity":84.6,"outsideTempOnHeatingDays":4.28},{"month":12,"outsideTemp":-0.04,"heatingDays":31,"degreeDayNum":559,"solarIrradianceKwhM2":18.7,"windSpeedAvg":4.89,"relativeHumidity":84.7,"outsideTempOnHeatingDays":-0.04}],"groundTemp1m":9.64,"groundTemp2m":9.64,"solarIrradianceKwhM2Year":1112.9,"windSpeedAvg":4.61,"relativeHumidityAvg":76.4,"suitability":{"score":71,"rating":"good","color":"lime","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":"2026-05-19T12:08:09.718Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}