{"location":{"city":"Nagórki","voivodeship":"Kujawsko-Pomorskie","community":"Osięciny","postalCode":"88-220","latitude":52.6874,"longitude":18.6703,"elevation":92},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":9,"monthly":[{"month":1,"outsideTemp":-1.06,"heatingDays":31,"degreeDayNum":590,"solarIrradianceKwhM2":21.9,"windSpeedAvg":5.61,"relativeHumidity":84.6,"outsideTempOnHeatingDays":-1.06},{"month":2,"outsideTemp":0.02,"heatingDays":28,"degreeDayNum":508,"solarIrradianceKwhM2":39.8,"windSpeedAvg":5.56,"relativeHumidity":81.6,"outsideTempOnHeatingDays":0.02},{"month":3,"outsideTemp":3.15,"heatingDays":31,"degreeDayNum":460,"solarIrradianceKwhM2":82.8,"windSpeedAvg":5.54,"relativeHumidity":76.9,"outsideTempOnHeatingDays":3.15},{"month":4,"outsideTemp":8.66,"heatingDays":29,"degreeDayNum":280,"solarIrradianceKwhM2":128.8,"windSpeedAvg":5.09,"relativeHumidity":71.2,"outsideTempOnHeatingDays":8.52},{"month":5,"outsideTemp":13.73,"heatingDays":26,"degreeDayNum":140,"solarIrradianceKwhM2":161.7,"windSpeedAvg":4.93,"relativeHumidity":69.9,"outsideTempOnHeatingDays":12.74},{"month":6,"outsideTemp":17.16,"heatingDays":18,"degreeDayNum":53,"solarIrradianceKwhM2":163.8,"windSpeedAvg":4.84,"relativeHumidity":69.8,"outsideTempOnHeatingDays":15.1},{"month":7,"outsideTemp":19.26,"heatingDays":11,"degreeDayNum":20,"solarIrradianceKwhM2":161.6,"windSpeedAvg":4.72,"relativeHumidity":70.7,"outsideTempOnHeatingDays":16.26},{"month":8,"outsideTemp":18.98,"heatingDays":11,"degreeDayNum":22,"solarIrradianceKwhM2":138.6,"windSpeedAvg":4.52,"relativeHumidity":70.5,"outsideTempOnHeatingDays":16.09},{"month":9,"outsideTemp":14.35,"heatingDays":26,"degreeDayNum":115,"solarIrradianceKwhM2":89.2,"windSpeedAvg":4.9,"relativeHumidity":75.6,"outsideTempOnHeatingDays":13.62},{"month":10,"outsideTemp":9.21,"heatingDays":30,"degreeDayNum":272,"solarIrradianceKwhM2":53.4,"windSpeedAvg":5.18,"relativeHumidity":80.9,"outsideTempOnHeatingDays":9.19},{"month":11,"outsideTemp":4.32,"heatingDays":30,"degreeDayNum":410,"solarIrradianceKwhM2":24.5,"windSpeedAvg":5.23,"relativeHumidity":86.5,"outsideTempOnHeatingDays":4.32},{"month":12,"outsideTemp":0.51,"heatingDays":31,"degreeDayNum":542,"solarIrradianceKwhM2":16,"windSpeedAvg":5.42,"relativeHumidity":86,"outsideTempOnHeatingDays":0.51}],"groundTemp1m":9.28,"groundTemp2m":9.28,"solarIrradianceKwhM2Year":1082.2,"windSpeedAvg":5.13,"relativeHumidityAvg":77,"suitability":{"score":70,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.1 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:11:21.575Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}