{"name":"Aerzen","state":"Niedersachsen","district":"Landkreis Hameln-Pyrmont","lat":52.0495,"lon":9.2586,"population":10755,"elevation_m":103,"url":"https://solaratlas24.de/ort/aerzen.html","pv_kwh_per_kwp":{"opt":994,"s35":992,"ew":790,"e35":793,"w35":788,"s15":934,"s90":707},"pv_monthly_kwh_per_kwp_optimal":[29.2,49.3,88.1,115.6,124.4,124.2,121.6,114.0,97.0,67.5,37.0,25.9],"optimal_tilt_deg":38,"optimal_azimuth_deg":0,"climate_1991_2020":{"frost":61,"hot":9,"ice":12,"prec":912,"rad":1011,"summer":38,"sun":1521,"temp":10.0},"climate_1961_1990":{"frost":71,"hot":4,"ice":19,"prec":901,"summer":27,"sun":1364,"temp":9.0},"monthly_normals_1991_2020":{"prec":[90,69,70,49,66,73,92,85,69,80,77,92],"rad":[19,35,72,116,150,158,154,133,89,51,22,13],"sun":[41,66,116,174,202,201,208,195,144,97,45,32],"temp":[2.0,2.6,5.5,9.5,13.5,16.5,18.6,18.2,14.3,10.1,5.9,2.9]},"annual_series":{"frost":{"start":1951,"values":[64,92,64,74,103,89,62,80,75,63,53,84,99,83,80,68,53,80,102,87,69,70,71,33,58,82,53,76,88,81,85,68,65,72,90,70,82,50,54,36,70,40,69,40,71,97,60,50,47,36,72,55,83,72,69,76,33,52,67,101,65,58,82,40,47,70,56,65,48,37,66,56,51,35,71]},"hot":{"start":1951,"values":[2,4,5,2,1,0,7,0,6,1,4,0,3,9,0,3,1,2,7,2,5,5,5,2,10,9,1,3,2,1,4,6,11,3,2,6,2,1,5,6,4,8,0,17,12,4,7,7,7,6,6,7,18,6,9,15,4,8,4,12,4,5,10,5,13,13,4,24,16,9,3,19,11,9,9]},"ice":{"start":1951,"values":[3,14,14,26,24,37,9,8,9,13,18,29,60,24,20,23,10,19,31,29,16,11,6,0,3,16,4,22,24,21,21,10,13,7,40,34,33,2,1,1,13,9,16,7,16,44,13,12,5,4,9,12,15,4,15,12,3,3,15,55,7,17,21,4,0,7,9,9,0,0,10,6,1,4,4]},"prec":{"start":1951,"values":[879,867,563,917,804,1002,883,1004,417,1004,1017,853,706,609,1125,1067,977,792,856,1031,662,795,741,945,768,729,894,978,935,1031,1268,833,936,939,814,1055,987,969,786,947,731,932,1150,1081,920,799,841,1230,987,886,1037,1258,754,955,864,874,1301,901,905,923,744,740,749,780,860,703,1062,621,875,780,814,653,1252,1076,648]},"rad":{"start":1991,"values":[995,988,955,1001,1001,953,1034,881,1069,975,974,939,1130,975,1027,1035,988,1009,1010,1009,1045,981,978,1011,1017,1012,955,1135,1115,1134,1009,1177,1090,1070,1147]},"summer":{"start":1951,"values":[21,23,26,17,21,12,22,24,52,13,22,10,20,42,12,28,26,29,35,28,33,20,35,15,43,44,15,19,21,16,22,39,48,18,20,30,15,23,37,33,30,47,24,37,48,24,36,22,44,26,32,31,54,31,38,56,31,27,35,36,40,35,39,36,39,45,33,78,49,41,39,58,53,52,44]},"sun":{"start":1951,"values":[1593,1417,1626,1485,1531,1354,1512,1378,1930,1305,1308,1245,1530,1582,1301,1277,1459,1385,1399,1332,1530,1386,1468,1300,1567,1624,1268,1238,1279,1359,1196,1575,1405,1202,1334,1408,1185,1262,1644,1481,1511,1483,1418,1495,1505,1360,1607,1238,1557,1384,1364,1337,1844,1431,1545,1628,1477,1518,1597,1421,1693,1484,1394,1480,1591,1529,1347,1910,1701,1745,1397,1940,1617,1561,1825]},"temp":{"start":1881,"values":[7.9,9.1,8.7,9.3,8.3,8.6,7.6,7.4,8.1,7.9,8.1,8.1,8.7,8.9,7.9,8.3,8.6,9.2,8.8,9.0,8.2,7.6,9.1,8.9,8.5,9.0,8.5,8.2,8.0,9.2,9.8,8.6,9.3,9.4,8.5,8.9,8.1,9.2,7.8,9.3,9.5,7.7,8.4,8.2,9.0,9.3,9.0,8.9,8.1,9.8,8.3,9.1,8.2,10.3,9.2,9.1,9.2,9.4,9.2,7.3,7.9,7.7,9.4,9.1,9.7,8.9,8.9,9.8,9.8,9.3,9.2,8.4,9.6,8.4,8.1,7.5,9.3,8.9,9.8,9.1,9.4,7.6,7.6,8.7,8.1,9.2,9.7,9.0,8.6,8.4,9.1,8.4,9.0,9.6,9.8,9.2,9.5,8.6,8.3,8.6,8.9,9.8,9.8,8.9,8.2,8.6,8.0,9.8,10.3,10.3,9.1,10.1,9.0,10.3,9.6,7.8,9.7,9.8,10.5,10.6,9.8,10.1,10.0,9.7,9.9,10.3,10.6,10.2,9.9,8.4,10.3,9.8,9.3,11.0,10.4,10.2,10.3,11.0,10.8,11.0,9.8,11.1,11.2,11.6,10.7]}},"recent_months":[{"month":"2025-11","pv_kwh_per_kwp_est":41.9,"radiation_kwh_m2":24.9,"sunshine_h":52.0,"temp_c":6.3,"precip_mm":59.0},{"month":"2025-12","pv_kwh_per_kwp_est":33.9,"radiation_kwh_m2":17.0,"sunshine_h":57.0,"temp_c":4.5,"precip_mm":33.0},{"month":"2026-01","pv_kwh_per_kwp_est":37.5,"radiation_kwh_m2":24.4,"sunshine_h":50.0,"temp_c":0.3,"precip_mm":55.0},{"month":"2026-02","pv_kwh_per_kwp_est":50.6,"radiation_kwh_m2":35.9,"sunshine_h":51.0,"temp_c":3.6,"precip_mm":70.0},{"month":"2026-03","pv_kwh_per_kwp_est":114.0,"radiation_kwh_m2":93.2,"sunshine_h":183.0,"temp_c":7.2,"precip_mm":61.0},{"month":"2026-04","pv_kwh_per_kwp_est":148.4,"radiation_kwh_m2":148.9,"sunshine_h":249.0,"temp_c":9.5,"precip_mm":28.0},{"month":"2026-05","pv_kwh_per_kwp_est":135.0,"radiation_kwh_m2":162.8,"sunshine_h":235.0,"temp_c":13.9,"precip_mm":124.0},{"month":"2026-06","pv_kwh_per_kwp_est":141.7,"radiation_kwh_m2":180.2,"sunshine_h":244.0,"temp_c":19.4,"precip_mm":89.0},{"month":"2026-07","pv_kwh_per_kwp_est":134.8,"radiation_kwh_m2":170.7,"sunshine_h":254.0,"temp_c":19.2,"precip_mm":56.0},{"month":"2026-08","pv_kwh_per_kwp_est":127.1,"radiation_kwh_m2":148.3,"sunshine_h":236.0,"temp_c":19.3,"precip_mm":63.0},{"month":"2026-09","pv_kwh_per_kwp_est":104.3,"radiation_kwh_m2":95.7,"sunshine_h":154.0,"temp_c":16.3,"precip_mm":38.0},{"month":"2026-10","pv_kwh_per_kwp_est":78.8,"radiation_kwh_m2":59.5,"sunshine_h":124.0,"temp_c":11.3,"precip_mm":107.0}],"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 Aerzen. Datenbasis PVGIS (EU JRC) und DWD. https://solaratlas24.de/ort/aerzen.html (Stand 2026-11)"}