{"name":"Erkner","state":"Brandenburg","district":"Landkreis Oder-Spree","lat":52.42,"lon":13.7544,"population":11741,"elevation_m":38,"url":"https://solaratlas24.de/ort/erkner.html","pv_kwh_per_kwp":{"opt":1037,"s35":1034,"ew":814,"e35":827,"w35":801,"s15":967,"s90":745},"pv_monthly_kwh_per_kwp_optimal":[32.0,55.8,88.9,119.3,128.2,127.1,125.6,119.2,102.8,71.0,38.6,28.9],"optimal_tilt_deg":40,"optimal_azimuth_deg":-5,"climate_1991_2020":{"frost":89,"hot":14,"ice":17,"prec":586,"rad":1086,"summer":52,"sun":1781,"temp":9.7},"climate_1961_1990":{"frost":80,"hot":7,"ice":25,"prec":561,"summer":36,"sun":1640,"temp":9.0},"monthly_normals_1991_2020":{"prec":[48,37,42,30,54,61,78,54,50,43,44,47],"rad":[20,37,76,125,161,170,166,143,96,55,23,15],"sun":[52,78,128,199,233,235,243,228,170,118,56,43],"temp":[0.6,1.6,4.5,9.6,14.1,17.4,19.4,18.7,14.2,9.2,4.7,1.7]},"annual_series":{"frost":{"start":1951,"values":[71,107,86,90,107,96,75,91,82,75,61,93,109,96,100,81,64,89,120,107,75,79,85,47,62,94,65,84,99,108,92,77,72,92,97,78,93,71,60,45,78,68,85,57,93,124,116,80,91,66,97,78,119,96,111,99,70,76,98,132,101,75,89,45,92,93,87,68,51,44,76,65,61,48,75]},"hot":{"start":1951,"values":[6,6,12,6,2,1,9,3,7,4,6,3,10,12,2,4,5,9,13,5,17,10,9,5,12,11,3,7,7,2,6,15,13,6,5,10,3,4,11,8,8,16,3,22,18,4,13,6,7,10,10,11,17,7,11,26,12,16,10,19,11,12,11,14,25,15,11,31,28,18,12,21,14,21,12]},"ice":{"start":1951,"values":[12,20,17,39,30,42,9,8,17,21,19,29,61,30,24,33,11,28,53,41,17,20,11,0,6,25,8,26,32,32,30,21,14,18,46,38,41,6,8,6,17,12,24,10,23,49,15,21,7,10,12,24,17,12,13,22,5,7,27,57,14,26,25,19,1,14,14,9,3,0,16,10,6,5,5]},"prec":{"start":1951,"values":[503,524,489,626,591,628,555,589,459,553,653,490,397,504,616,685,629,584,540,580,406,472,539,716,467,384,697,667,612,653,661,366,574,523,466,665,711,543,415,619,409,521,642,695,597,627,548,692,484,568,631,704,432,568,650,449,806,595,657,674,719,574,577,472,515,545,756,383,514,540,562,409,771,604,471]},"rad":{"start":1991,"values":[1008,1032,1050,1056,1079,983,1105,1014,1092,1051,1012,1018,1173,1045,1122,1131,1095,1085,1120,1050,1144,1112,1065,1091,1139,1094,1049,1224,1171,1181,1088,1193,1116,1145,1153]},"summer":{"start":1951,"values":[40,38,46,22,36,20,33,23,42,23,33,20,43,44,20,38,36,46,46,48,48,32,44,20,53,45,22,29,34,20,34,59,57,25,35,43,18,34,51,34,42,65,36,42,53,28,60,29,53,47,38,57,65,38,50,68,55,48,51,51,56,38,47,47,55,67,46,87,69,54,54,65,69,73,48]},"sun":{"start":1951,"values":[1891,1642,1941,1669,1742,1570,1676,1591,1963,1564,1632,1501,1792,1772,1602,1482,1699,1682,1689,1591,1773,1595,1662,1537,1735,1793,1426,1496,1569,1550,1486,1970,1631,1448,1544,1664,1496,1628,1910,1802,1820,1806,1591,1738,1786,1568,1870,1607,1835,1776,1608,1801,2201,1712,1886,1863,1727,1641,1757,1538,1985,1772,1558,1742,1872,1741,1591,2161,1951,1927,1644,2003,1760,1871,2037]},"temp":{"start":1881,"values":[8.0,9.4,8.8,9.5,8.8,8.9,8.2,7.8,8.6,8.6,8.7,8.3,8.6,9.1,8.4,8.6,8.7,9.5,9.0,9.3,8.7,7.5,9.2,9.1,8.9,9.4,8.5,8.4,8.1,9.3,9.9,8.5,9.6,9.6,8.6,9.3,8.5,9.4,7.9,9.2,9.6,7.5,8.3,8.1,9.2,9.6,8.6,8.8,7.8,9.3,8.3,9.1,8.2,10.7,9.3,9.2,9.1,9.6,9.1,6.8,7.4,7.7,9.5,9.2,9.7,9.2,8.7,9.9,9.9,9.3,9.6,8.5,10.0,8.3,8.3,7.5,9.2,8.8,9.6,9.0,9.5,7.9,8.1,8.7,8.2,9.1,9.9,9.0,8.1,8.2,9.5,8.6,9.0,9.7,9.9,8.9,9.3,8.7,8.3,8.0,9.0,9.9,10.0,8.7,8.3,8.6,7.9,9.8,10.5,10.4,9.3,10.1,9.1,10.2,9.5,7.5,9.6,9.4,9.9,10.3,9.2,9.7,9.3,9.3,9.1,9.6,10.2,10.0,9.3,7.9,9.7,9.1,9.1,10.4,10.2,9.8,9.8,10.5,11.5,11.3,10.1,11.2,11.2,11.9,10.6]}},"recent_months":[{"month":"2025-11","pv_kwh_per_kwp_est":50.2,"radiation_kwh_m2":29.9,"sunshine_h":89.0,"temp_c":5.3,"precip_mm":31.0},{"month":"2025-12","pv_kwh_per_kwp_est":36.2,"radiation_kwh_m2":18.8,"sunshine_h":76.0,"temp_c":3.2,"precip_mm":16.0},{"month":"2026-01","pv_kwh_per_kwp_est":33.3,"radiation_kwh_m2":20.8,"sunshine_h":66.0,"temp_c":-2.0,"precip_mm":21.0},{"month":"2026-02","pv_kwh_per_kwp_est":51.0,"radiation_kwh_m2":33.8,"sunshine_h":64.0,"temp_c":1.0,"precip_mm":35.0},{"month":"2026-03","pv_kwh_per_kwp_est":115.0,"radiation_kwh_m2":98.3,"sunshine_h":210.0,"temp_c":7.2,"precip_mm":8.0},{"month":"2026-04","pv_kwh_per_kwp_est":140.2,"radiation_kwh_m2":146.9,"sunshine_h":257.0,"temp_c":9.2,"precip_mm":38.0},{"month":"2026-05","pv_kwh_per_kwp_est":139.1,"radiation_kwh_m2":174.7,"sunshine_h":269.0,"temp_c":15.0,"precip_mm":39.0},{"month":"2026-06","pv_kwh_per_kwp_est":132.7,"radiation_kwh_m2":177.5,"sunshine_h":272.0,"temp_c":20.5,"precip_mm":42.0},{"month":"2026-07","pv_kwh_per_kwp_est":127.1,"radiation_kwh_m2":168.0,"sunshine_h":250.0,"temp_c":19.7,"precip_mm":67.0},{"month":"2026-08","pv_kwh_per_kwp_est":126.1,"radiation_kwh_m2":151.3,"sunshine_h":257.0,"temp_c":19.9,"precip_mm":42.0},{"month":"2026-09","pv_kwh_per_kwp_est":102.5,"radiation_kwh_m2":95.7,"sunshine_h":174.0,"temp_c":16.2,"precip_mm":30.0},{"month":"2026-10","pv_kwh_per_kwp_est":73.7,"radiation_kwh_m2":57.1,"sunshine_h":120.0,"temp_c":11.1,"precip_mm":27.0}],"sources":["PVGIS 5.3 © European Union (JRC)","Deutscher Wetterdienst, Climate Data Center (CC BY 4.0)"],"license":"CC BY 4.0","attribution":"SolarAtlas24: Photovoltaik und Klima in Erkner. Datenbasis PVGIS (EU JRC) und DWD. https://solaratlas24.de/ort/erkner.html (Stand 2026-11)"}