{"name":"Birkenau","state":"Hessen","district":"Landkreis Bergstraße","lat":49.5625,"lon":8.7069,"population":10318,"elevation_m":147,"url":"https://solaratlas24.de/ort/birkenau.html","pv_kwh_per_kwp":{"opt":1054,"s35":1053,"ew":844,"e35":849,"w35":838,"s15":999,"s90":731},"pv_monthly_kwh_per_kwp_optimal":[34.1,56.8,93.1,120.2,125.5,128.1,129.1,119.9,104.6,73.4,40.6,28.2],"optimal_tilt_deg":37,"optimal_azimuth_deg":0,"climate_1991_2020":{"frost":61,"hot":17,"ice":9,"prec":799,"rad":1111,"summer":60,"sun":1715,"temp":11.0},"climate_1961_1990":{"frost":70,"hot":10,"ice":15,"prec":851,"summer":46,"sun":1601,"temp":10.0},"monthly_normals_1991_2020":{"prec":[62,58,61,49,77,68,82,72,62,66,67,76],"rad":[24,42,81,127,157,168,166,145,99,57,27,18],"sun":[47,78,133,192,216,225,238,227,167,105,50,37],"temp":[2.2,3.1,6.8,11.0,15.1,18.4,20.3,19.9,15.5,10.6,6.0,3.1]},"annual_series":{"frost":{"start":1951,"values":[49,80,71,65,102,89,59,71,66,49,52,85,95,77,69,49,58,77,87,80,67,68,81,27,54,69,47,65,62,68,78,58,68,60,87,66,77,45,52,44,77,47,67,35,63,87,59,59,49,33,61,40,75,70,74,73,38,61,74,93,61,60,81,34,60,61,63,56,56,48,62,51,51,37,68]},"hot":{"start":1951,"values":[8,18,11,6,4,3,11,5,16,3,11,8,8,20,4,5,13,5,12,6,14,9,14,6,11,22,4,4,6,4,7,13,20,8,6,9,5,7,9,14,16,16,9,20,16,6,10,15,12,9,17,10,33,14,20,21,10,14,12,18,10,16,18,10,30,16,18,35,28,19,10,33,25,21,22]},"ice":{"start":1951,"values":[1,17,13,23,17,32,7,10,6,10,11,17,52,19,9,12,12,15,29,20,15,13,7,0,1,15,6,14,17,15,16,14,12,1,35,22,27,1,2,3,13,6,17,0,10,25,14,12,8,1,4,11,9,7,13,12,5,1,15,38,5,15,14,0,0,5,9,5,2,0,5,4,1,6,1]},"prec":{"start":1951,"values":[678,927,664,891,804,909,870,941,564,848,928,679,654,609,1314,1031,804,961,876,998,622,719,708,942,692,613,742,920,831,967,1143,851,871,893,709,945,1042,963,772,724,572,791,762,861,1016,756,721,981,853,940,992,1063,574,794,717,851,916,801,838,984,675,735,839,756,567,746,863,548,723,761,785,749,909,993,663]},"rad":{"start":1991,"values":[1127,1091,1072,1070,1024,1093,1135,1007,1102,1064,1060,1047,1263,1090,1124,1145,1105,1077,1116,1102,1177,1135,1043,1099,1106,1052,1131,1249,1182,1229,1142,1262,1185,1102,1243]},"summer":{"start":1951,"values":[43,55,46,29,37,24,36,42,66,31,42,42,42,62,27,39,50,31,50,46,56,28,57,32,53,66,32,30,43,28,37,60,65,35,40,50,37,44,56,48,59,60,50,57,55,38,56,44,57,51,56,48,94,53,59,66,54,58,58,49,67,62,56,51,64,65,65,101,71,72,53,90,86,69,67]},"sun":{"start":1951,"values":[1742,1660,1890,1650,1694,1558,1761,1622,2065,1535,1632,1774,1607,1767,1423,1541,1711,1516,1502,1447,1771,1556,1769,1452,1721,1911,1401,1451,1543,1454,1470,1690,1627,1496,1682,1556,1481,1485,1726,1784,1792,1629,1576,1565,1504,1568,1754,1486,1679,1597,1631,1565,2193,1697,1811,1816,1799,1599,1740,1620,1877,1770,1493,1639,1753,1557,1731,2078,1933,1987,1770,2159,1884,1694,2030]},"temp":{"start":1881,"values":[9.4,9.8,9.7,10.4,9.5,10.0,8.6,8.6,9.0,9.0,9.1,9.4,9.9,9.8,9.0,9.3,9.8,10.2,9.9,10.1,9.2,9.1,9.8,10.0,9.6,9.8,9.5,8.8,9.0,9.8,10.7,9.5,10.1,9.8,9.9,10.1,9.1,10.1,9.0,10.2,10.7,8.9,9.8,9.1,9.8,10.4,9.8,10.3,9.4,10.6,9.3,9.8,9.5,11.1,10.1,10.1,10.5,10.1,10.0,8.6,9.1,9.0,10.6,9.8,10.8,10.0,10.8,10.4,10.8,10.2,10.4,10.0,10.5,9.5,9.2,8.6,10.3,9.9,10.9,10.3,10.7,9.0,8.9,10.1,9.3,10.4,10.5,9.7,9.5,9.6,10.1,9.4,9.9,10.5,10.4,10.5,10.3,9.4,9.7,9.5,9.9,10.6,10.6,9.6,9.2,9.8,9.3,10.8,11.0,11.0,10.1,10.9,10.4,11.6,10.6,9.1,10.6,10.7,11.1,11.5,10.8,11.3,11.5,10.7,10.8,11.1,11.4,11.1,10.9,9.6,11.4,10.8,10.3,11.9,11.6,11.0,11.2,12.2,11.6,12.1,10.6,12.4,12.4,12.1,11.6]}},"recent_months":[{"month":"2025-11","pv_kwh_per_kwp_est":47.4,"radiation_kwh_m2":31.5,"sunshine_h":71.0,"temp_c":5.9,"precip_mm":43.0},{"month":"2025-12","pv_kwh_per_kwp_est":38.9,"radiation_kwh_m2":24.8,"sunshine_h":80.0,"temp_c":4.0,"precip_mm":19.0},{"month":"2026-01","pv_kwh_per_kwp_est":37.9,"radiation_kwh_m2":26.7,"sunshine_h":54.0,"temp_c":1.1,"precip_mm":66.0},{"month":"2026-02","pv_kwh_per_kwp_est":49.0,"radiation_kwh_m2":36.2,"sunshine_h":42.0,"temp_c":5.7,"precip_mm":90.0},{"month":"2026-03","pv_kwh_per_kwp_est":115.3,"radiation_kwh_m2":100.3,"sunshine_h":197.0,"temp_c":7.8,"precip_mm":36.0},{"month":"2026-04","pv_kwh_per_kwp_est":147.5,"radiation_kwh_m2":155.8,"sunshine_h":256.0,"temp_c":11.8,"precip_mm":12.0},{"month":"2026-05","pv_kwh_per_kwp_est":137.1,"radiation_kwh_m2":171.5,"sunshine_h":249.0,"temp_c":16.3,"precip_mm":55.0},{"month":"2026-06","pv_kwh_per_kwp_est":137.6,"radiation_kwh_m2":180.5,"sunshine_h":261.0,"temp_c":21.9,"precip_mm":60.0},{"month":"2026-07","pv_kwh_per_kwp_est":160.8,"radiation_kwh_m2":206.7,"sunshine_h":327.0,"temp_c":22.5,"precip_mm":24.0},{"month":"2026-08","pv_kwh_per_kwp_est":131.1,"radiation_kwh_m2":158.5,"sunshine_h":262.0,"temp_c":22.6,"precip_mm":37.0},{"month":"2026-09","pv_kwh_per_kwp_est":126.3,"radiation_kwh_m2":119.5,"sunshine_h":221.0,"temp_c":18.2,"precip_mm":11.0},{"month":"2026-10","pv_kwh_per_kwp_est":88.0,"radiation_kwh_m2":68.3,"sunshine_h":147.0,"temp_c":11.8,"precip_mm":86.0}],"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 Birkenau. Datenbasis PVGIS (EU JRC) und DWD. https://solaratlas24.de/ort/birkenau.html (Stand 2026-11)"}