{"name":"Hartenstein","state":"Sachsen","district":"Zwickau","lat":50.6624,"lon":12.6697,"population":5043,"elevation_m":373,"url":"https://solaratlas24.de/ort/hartenstein.html","pv_kwh_per_kwp":{"opt":1037,"s35":1035,"ew":816,"e35":828,"w35":804,"s15":973,"s90":738},"pv_monthly_kwh_per_kwp_optimal":[36.0,58.6,87.8,114.0,122.9,122.1,124.7,114.6,98.3,76.8,46.9,34.0],"optimal_tilt_deg":39,"optimal_azimuth_deg":-5,"climate_1991_2020":{"frost":94,"hot":8,"ice":24,"prec":833,"rad":1086,"summer":38,"sun":1618,"temp":8.7},"climate_1961_1990":{"frost":102,"hot":3,"ice":31,"prec":798,"summer":28,"sun":1486,"temp":7.9},"monthly_normals_1991_2020":{"prec":[59,50,63,48,75,86,102,95,71,64,62,61],"rad":[27,44,79,121,153,159,160,139,94,60,29,21],"sun":[58,78,118,174,197,201,217,205,150,111,59,50],"temp":[0.1,0.8,3.8,8.4,12.7,15.9,17.9,17.6,13.3,8.9,4.3,1.1]},"annual_series":{"frost":{"start":1951,"values":[101,125,99,112,126,125,100,109,98,96,76,120,113,112,117,92,90,111,123,115,98,102,122,72,92,114,88,102,110,116,114,103,90,110,116,85,109,91,79,68,108,92,106,78,108,129,108,83,86,68,96,80,111,99,100,92,75,91,99,126,99,92,112,75,89,92,87,88,83,79,111,85,71,68,103]},"hot":{"start":1951,"values":[4,8,4,2,1,1,8,3,5,2,4,3,5,9,2,3,5,2,5,2,9,6,4,5,4,5,1,0,1,2,0,2,6,3,1,3,0,3,4,6,5,9,1,15,6,2,2,6,2,7,6,6,18,2,5,11,4,6,2,9,4,8,10,5,19,8,6,18,15,8,3,14,11,14,10]},"ice":{"start":1951,"values":[7,38,29,36,40,53,14,29,17,26,17,36,61,36,37,29,22,39,54,46,27,24,31,9,15,35,17,28,27,37,40,15,27,23,50,44,49,14,6,10,25,18,31,13,30,50,19,28,18,8,26,22,29,29,38,36,12,13,32,65,20,27,41,10,8,13,20,22,9,3,22,11,16,9,10]},"prec":{"start":1951,"values":[626,907,652,1106,961,913,826,862,598,857,807,606,695,644,968,956,843,880,796,986,704,635,742,1018,704,662,874,873,838,926,1048,532,771,790,639,862,903,809,717,687,621,774,825,853,1091,802,759,930,831,928,902,1132,592,919,893,734,1029,780,914,1105,726,792,914,709,698,800,857,580,710,733,930,674,867,815,667]},"rad":{"start":1991,"values":[1061,1081,1081,1078,1029,984,1029,975,1040,1052,1021,1007,1193,1066,1122,1135,1087,1076,1068,1064,1201,1131,1030,1098,1156,1070,1099,1197,1169,1178,1073,1208,1136,1157,1185]},"summer":{"start":1951,"values":[29,33,33,18,19,17,25,23,32,17,30,26,27,40,19,27,31,26,33,27,35,27,35,19,34,32,12,14,24,14,20,36,41,13,27,33,18,26,29,32,30,42,27,38,43,23,30,29,34,34,32,35,59,27,34,45,34,34,34,32,39,39,33,34,47,44,44,69,55,41,33,53,58,57,41]},"sun":{"start":1951,"values":[1790,1546,1838,1630,1504,1451,1619,1464,1943,1472,1506,1545,1634,1698,1457,1387,1545,1491,1584,1375,1667,1495,1598,1330,1541,1599,1163,1323,1456,1417,1361,1817,1574,1438,1513,1533,1344,1471,1789,1601,1705,1644,1564,1554,1492,1331,1639,1393,1494,1418,1419,1439,1931,1510,1682,1782,1593,1538,1595,1499,1965,1721,1417,1614,1796,1592,1560,1959,1841,1863,1571,1933,1672,1756,1925]},"temp":{"start":1881,"values":[6.4,7.7,7.1,7.9,7.5,7.5,6.3,6.3,6.7,6.7,6.9,6.7,7.3,7.6,6.9,6.9,7.5,8.3,7.5,7.9,6.9,6.6,7.9,7.8,7.3,7.7,7.4,6.9,6.8,7.8,8.5,7.3,7.9,7.9,7.2,8.0,6.9,8.1,6.6,8.1,8.2,6.4,7.5,7.1,7.9,8.2,7.4,7.5,6.7,8.2,7.0,7.8,6.7,8.9,7.7,7.7,8.0,7.8,7.6,5.8,6.3,6.8,8.3,7.5,8.7,7.6,7.8,8.6,8.5,8.0,8.5,7.4,8.6,7.1,6.8,5.9,8.1,7.7,8.5,7.8,8.6,6.6,6.8,7.7,7.0,8.1,8.4,7.6,7.2,7.1,7.9,7.4,7.5,8.2,8.4,7.7,8.2,7.3,7.5,7.0,7.6,8.5,8.7,7.4,7.1,7.7,6.9,8.6,9.1,9.0,7.6,8.7,7.8,9.0,8.2,6.4,8.1,8.6,8.8,9.6,8.5,9.0,8.8,8.3,8.2,8.9,9.4,9.0,8.7,7.1,9.1,8.6,8.1,9.9,9.6,9.1,9.1,10.0,9.9,9.9,8.5,9.9,10.2,10.7,9.4]}},"recent_months":[{"month":"2025-11","pv_kwh_per_kwp_est":53.0,"radiation_kwh_m2":32.8,"sunshine_h":64.0,"temp_c":4.6,"precip_mm":31.0},{"month":"2025-12","pv_kwh_per_kwp_est":39.0,"radiation_kwh_m2":24.1,"sunshine_h":79.0,"temp_c":2.3,"precip_mm":16.0},{"month":"2026-01","pv_kwh_per_kwp_est":41.1,"radiation_kwh_m2":30.8,"sunshine_h":56.0,"temp_c":-1.7,"precip_mm":26.0},{"month":"2026-02","pv_kwh_per_kwp_est":57.1,"radiation_kwh_m2":42.9,"sunshine_h":52.0,"temp_c":2.9,"precip_mm":54.0},{"month":"2026-03","pv_kwh_per_kwp_est":111.5,"radiation_kwh_m2":100.3,"sunshine_h":206.0,"temp_c":5.7,"precip_mm":42.0},{"month":"2026-04","pv_kwh_per_kwp_est":135.0,"radiation_kwh_m2":143.3,"sunshine_h":235.0,"temp_c":7.9,"precip_mm":42.0},{"month":"2026-05","pv_kwh_per_kwp_est":149.4,"radiation_kwh_m2":186.0,"sunshine_h":253.0,"temp_c":13.6,"precip_mm":103.0},{"month":"2026-06","pv_kwh_per_kwp_est":137.1,"radiation_kwh_m2":178.5,"sunshine_h":245.0,"temp_c":19.2,"precip_mm":59.0},{"month":"2026-07","pv_kwh_per_kwp_est":138.3,"radiation_kwh_m2":177.4,"sunshine_h":261.0,"temp_c":18.6,"precip_mm":88.0},{"month":"2026-08","pv_kwh_per_kwp_est":132.4,"radiation_kwh_m2":160.6,"sunshine_h":266.0,"temp_c":19.2,"precip_mm":82.0},{"month":"2026-09","pv_kwh_per_kwp_est":114.8,"radiation_kwh_m2":109.8,"sunshine_h":190.0,"temp_c":14.9,"precip_mm":55.0},{"month":"2026-10","pv_kwh_per_kwp_est":74.9,"radiation_kwh_m2":58.5,"sunshine_h":106.0,"temp_c":9.9,"precip_mm":55.0}],"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 Hartenstein. Datenbasis PVGIS (EU JRC) und DWD. https://solaratlas24.de/ort/hartenstein.html (Stand 2026-11)"}