{"name":"Haan","state":"Nordrhein-Westfalen","district":"Kreis Mettmann","lat":51.1938,"lon":7.0133,"population":29431,"elevation_m":170,"url":"https://solaratlas24.de/ort/haan.html","pv_kwh_per_kwp":{"opt":1000,"s35":998,"ew":794,"e35":801,"w35":788,"s15":939,"s90":712},"pv_monthly_kwh_per_kwp_optimal":[33.6,51.5,88.9,115.3,122.9,122.3,119.6,111.5,95.8,69.6,40.4,28.3],"optimal_tilt_deg":39,"optimal_azimuth_deg":-2,"climate_1991_2020":{"frost":54,"hot":9,"ice":8,"prec":1031,"rad":1042,"summer":39,"sun":1582,"temp":10.3},"climate_1961_1990":{"frost":60,"hot":4,"ice":13,"prec":1031,"summer":26,"sun":1445,"temp":9.4},"monthly_normals_1991_2020":{"prec":[96,82,75,59,72,84,93,97,83,88,94,108],"rad":[21,37,76,118,152,158,157,134,91,54,26,16],"sun":[54,73,125,172,199,201,208,195,148,106,58,44],"temp":[2.8,3.3,6.1,9.9,13.7,16.7,18.5,18.1,14.4,10.5,6.5,3.6]},"annual_series":{"frost":{"start":1951,"values":[40,77,59,60,92,84,50,65,57,49,44,80,98,72,66,53,44,73,81,71,55,51,55,27,42,64,46,65,76,64,76,52,58,47,89,68,78,36,36,33,63,34,63,33,57,89,44,47,40,34,53,43,70,67,67,69,39,63,60,96,52,51,78,30,46,59,51,57,48,34,63,42,45,31,60]},"hot":{"start":1951,"values":[1,7,3,1,1,0,9,0,10,1,6,1,3,10,0,4,3,3,6,1,2,4,7,2,11,19,1,3,2,2,3,8,11,5,3,5,3,2,7,8,6,8,2,19,19,4,7,8,9,5,10,7,19,6,8,19,5,3,4,12,3,5,10,4,14,12,6,18,17,15,3,20,12,10,11]},"ice":{"start":1951,"values":[1,8,14,19,14,30,6,7,6,11,14,18,46,12,13,12,12,15,20,23,16,9,7,2,4,15,5,13,22,15,16,9,7,3,37,23,27,2,3,4,13,5,13,5,11,23,13,6,6,2,4,5,12,6,10,6,3,1,13,38,4,16,17,2,1,2,5,8,4,1,7,5,2,5,4]},"prec":{"start":1951,"values":[1195,1094,863,1293,909,1120,1246,1222,681,1178,1228,958,823,805,1355,1369,1053,1031,921,1231,815,832,882,1212,794,787,972,960,1046,1080,1303,951,1001,1242,1087,1058,1149,1130,864,1001,899,1145,1168,1059,1007,851,934,1301,1125,1135,1272,1190,856,1149,1131,1021,1252,1035,1017,970,968,1043,855,945,970,931,1029,764,961,887,1094,878,1367,1238,802]},"rad":{"start":1991,"values":[1008,1020,1006,1004,1029,1010,1073,911,1074,982,1010,1005,1179,1023,1060,1059,1020,1019,1051,1050,1088,1023,1010,1024,1061,1036,1049,1176,1079,1119,1042,1217,1091,1028,1163]},"summer":{"start":1951,"values":[23,23,27,17,23,9,22,25,58,13,23,10,18,38,8,24,27,18,35,29,26,14,38,14,35,47,15,17,20,19,22,41,50,18,22,34,21,24,51,36,29,46,29,42,53,22,38,24,48,31,42,30,63,33,45,57,28,28,34,36,35,33,36,29,36,40,37,82,50,47,34,61,51,44,44]},"sun":{"start":1951,"values":[1568,1428,1498,1408,1516,1257,1502,1360,1920,1288,1333,1255,1391,1548,1318,1276,1499,1306,1428,1402,1619,1439,1582,1335,1562,1781,1332,1304,1334,1405,1230,1603,1535,1327,1463,1555,1312,1307,1744,1619,1595,1560,1503,1509,1550,1493,1678,1274,1570,1401,1449,1451,2038,1503,1659,1655,1547,1478,1597,1475,1759,1505,1418,1567,1687,1563,1491,1944,1723,1828,1550,2016,1692,1481,1834]},"temp":{"start":1881,"values":[8.7,9.5,9.1,10.0,8.9,9.2,8.1,7.9,8.4,8.2,8.5,8.6,9.4,9.4,8.6,8.8,9.0,9.5,9.2,9.3,8.8,8.2,9.3,9.2,8.9,9.2,9.1,8.8,8.5,9.7,10.4,9.5,9.9,9.8,9.2,9.5,8.5,9.7,8.5,9.9,10.3,8.5,9.2,8.7,9.6,10.1,9.4,9.7,9.0,10.2,8.8,9.5,9.1,10.5,9.6,9.5,9.9,9.8,9.7,8.2,8.7,8.7,10.0,9.3,9.9,9.2,10.0,10.0,10.0,9.4,9.5,8.6,9.6,8.8,8.6,7.8,9.8,9.4,10.5,9.6,9.9,7.9,8.1,9.3,8.5,9.6,9.7,9.1,9.2,8.9,9.5,8.9,9.4,9.8,10.1,10.1,9.8,9.0,8.7,9.1,9.3,10.2,10.1,9.4,8.5,9.0,8.6,10.1,10.7,10.6,9.5,10.4,9.6,10.8,10.4,8.6,10.2,10.0,10.8,10.8,10.3,10.7,10.7,10.0,10.4,10.8,10.8,10.0,10.1,8.8,10.7,10.0,9.5,11.2,10.6,10.4,10.6,11.4,11.0,11.5,10.1,11.6,11.6,11.6,11.2]}},"recent_months":[{"month":"2025-11","pv_kwh_per_kwp_est":43.0,"radiation_kwh_m2":27.7,"sunshine_h":65.0,"temp_c":7.3,"precip_mm":56.0},{"month":"2025-12","pv_kwh_per_kwp_est":36.4,"radiation_kwh_m2":20.6,"sunshine_h":67.0,"temp_c":5.2,"precip_mm":44.0},{"month":"2026-01","pv_kwh_per_kwp_est":36.6,"radiation_kwh_m2":22.9,"sunshine_h":56.0,"temp_c":2.3,"precip_mm":70.0},{"month":"2026-02","pv_kwh_per_kwp_est":50.8,"radiation_kwh_m2":36.5,"sunshine_h":68.0,"temp_c":5.9,"precip_mm":94.0},{"month":"2026-03","pv_kwh_per_kwp_est":112.6,"radiation_kwh_m2":96.3,"sunshine_h":192.0,"temp_c":7.8,"precip_mm":68.0},{"month":"2026-04","pv_kwh_per_kwp_est":147.0,"radiation_kwh_m2":150.4,"sunshine_h":242.0,"temp_c":10.4,"precip_mm":32.0},{"month":"2026-05","pv_kwh_per_kwp_est":133.7,"radiation_kwh_m2":165.4,"sunshine_h":227.0,"temp_c":14.4,"precip_mm":92.0},{"month":"2026-06","pv_kwh_per_kwp_est":134.0,"radiation_kwh_m2":173.1,"sunshine_h":228.0,"temp_c":19.7,"precip_mm":88.0},{"month":"2026-07","pv_kwh_per_kwp_est":138.5,"radiation_kwh_m2":181.8,"sunshine_h":263.0,"temp_c":20.1,"precip_mm":12.0},{"month":"2026-08","pv_kwh_per_kwp_est":121.9,"radiation_kwh_m2":146.5,"sunshine_h":228.0,"temp_c":19.9,"precip_mm":69.0},{"month":"2026-09","pv_kwh_per_kwp_est":102.0,"radiation_kwh_m2":96.9,"sunshine_h":166.0,"temp_c":16.7,"precip_mm":62.0},{"month":"2026-10","pv_kwh_per_kwp_est":82.7,"radiation_kwh_m2":64.2,"sunshine_h":140.0,"temp_c":11.5,"precip_mm":140.0}],"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 Haan. Datenbasis PVGIS (EU JRC) und DWD. https://solaratlas24.de/ort/haan.html (Stand 2026-11)"}