{"location":{"city":"Kobylnica","voivodeship":"Kujawsko-Pomorskie","community":"Gmina Kruszwica","postalCode":"88-121","latitude":52.5878,"longitude":18.4573,"elevation":99},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.1,"monthly":[{"month":1,"outsideTemp":-1.05,"heatingDays":31,"degreeDayNum":590,"solarIrradianceKwhM2":22.6,"windSpeedAvg":5.78,"relativeHumidity":84.6,"outsideTempOnHeatingDays":-1.05},{"month":2,"outsideTemp":0.04,"heatingDays":28,"degreeDayNum":507,"solarIrradianceKwhM2":40.6,"windSpeedAvg":5.73,"relativeHumidity":81.5,"outsideTempOnHeatingDays":0.04},{"month":3,"outsideTemp":3.22,"heatingDays":31,"degreeDayNum":458,"solarIrradianceKwhM2":83.8,"windSpeedAvg":5.69,"relativeHumidity":76.8,"outsideTempOnHeatingDays":3.22},{"month":4,"outsideTemp":8.74,"heatingDays":29,"degreeDayNum":278,"solarIrradianceKwhM2":129.7,"windSpeedAvg":5.21,"relativeHumidity":70.9,"outsideTempOnHeatingDays":8.58},{"month":5,"outsideTemp":13.78,"heatingDays":26,"degreeDayNum":138,"solarIrradianceKwhM2":161.5,"windSpeedAvg":5.02,"relativeHumidity":69.8,"outsideTempOnHeatingDays":12.83},{"month":6,"outsideTemp":17.21,"heatingDays":18,"degreeDayNum":52,"solarIrradianceKwhM2":164.6,"windSpeedAvg":4.96,"relativeHumidity":69.7,"outsideTempOnHeatingDays":15.12},{"month":7,"outsideTemp":19.34,"heatingDays":11,"degreeDayNum":19,"solarIrradianceKwhM2":162.3,"windSpeedAvg":4.85,"relativeHumidity":70.4,"outsideTempOnHeatingDays":16.26},{"month":8,"outsideTemp":19.1,"heatingDays":11,"degreeDayNum":21,"solarIrradianceKwhM2":139.7,"windSpeedAvg":4.65,"relativeHumidity":69.9,"outsideTempOnHeatingDays":16.12},{"month":9,"outsideTemp":14.43,"heatingDays":26,"degreeDayNum":113,"solarIrradianceKwhM2":90.1,"windSpeedAvg":5.02,"relativeHumidity":75.3,"outsideTempOnHeatingDays":13.66},{"month":10,"outsideTemp":9.27,"heatingDays":30,"degreeDayNum":270,"solarIrradianceKwhM2":54.1,"windSpeedAvg":5.3,"relativeHumidity":80.8,"outsideTempOnHeatingDays":9.25},{"month":11,"outsideTemp":4.32,"heatingDays":30,"degreeDayNum":410,"solarIrradianceKwhM2":25.2,"windSpeedAvg":5.36,"relativeHumidity":86.5,"outsideTempOnHeatingDays":4.32},{"month":12,"outsideTemp":0.52,"heatingDays":31,"degreeDayNum":541,"solarIrradianceKwhM2":16.6,"windSpeedAvg":5.59,"relativeHumidity":86,"outsideTempOnHeatingDays":0.52}],"groundTemp1m":9.4,"groundTemp2m":9.4,"solarIrradianceKwhM2Year":1090.7,"windSpeedAvg":5.26,"relativeHumidityAvg":76.8,"suitability":{"score":71,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.3 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:11:01.571Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}