{"name":"Gronau","state":"Niedersachsen","district":"Landkreis Hildesheim","lat":52.0846,"lon":9.7768,"population":5444,"elevation_m":83,"url":"https://solaratlas24.de/ort/gronau-niedersachsen.html","pv_kwh_per_kwp":{"opt":1007,"s35":1005,"ew":800,"e35":802,"w35":797,"s15":945,"s90":719},"pv_monthly_kwh_per_kwp_optimal":[30.4,50.7,87.7,117.1,125.6,125.3,123.0,114.3,98.8,69.4,37.4,27.1],"optimal_tilt_deg":39,"optimal_azimuth_deg":0,"climate_1991_2020":{"frost":60,"hot":8,"ice":11,"prec":687,"rad":1022,"summer":39,"sun":1532,"temp":10.0},"climate_1961_1990":{"frost":71,"hot":4,"ice":17,"prec":673,"summer":29,"sun":1378,"temp":9.0},"monthly_normals_1991_2020":{"prec":[63,50,51,39,56,61,71,63,54,61,55,64],"rad":[19,35,72,118,151,160,156,133,90,51,22,14],"sun":[42,67,116,174,203,204,210,196,145,99,44,32],"temp":[2.0,2.6,5.4,9.7,13.6,16.6,18.7,18.3,14.4,10.0,6.0,2.9]},"annual_series":{"frost":{"start":1951,"values":[67,91,68,77,97,89,62,81,78,66,53,85,99,84,84,67,53,82,102,85,69,72,74,31,55,86,53,76,90,85,84,68,63,78,88,67,80,49,48,35,73,44,67,40,72,97,62,49,48,34,70,53,77,67,70,75,30,51,69,99,64,57,82,41,47,67,55,62,49,35,67,55,50,34,68]},"hot":{"start":1951,"values":[3,4,5,2,1,1,7,1,7,1,5,1,4,10,1,3,2,1,6,2,6,5,5,3,8,8,1,3,2,2,3,6,9,3,3,5,2,1,6,6,4,8,0,17,10,3,4,6,7,5,6,7,18,3,7,14,4,8,4,11,3,5,10,6,14,12,4,23,16,9,4,19,8,9,9]},"ice":{"start":1951,"values":[1,15,14,25,23,36,7,7,9,12,14,25,55,23,20,21,7,23,37,30,12,11,5,0,0,20,3,22,25,22,23,7,11,7,38,32,33,0,0,0,13,6,18,6,16,44,10,12,4,2,9,10,14,2,13,12,2,2,17,56,7,14,21,4,0,6,8,8,0,0,9,4,0,2,3]},"prec":{"start":1951,"values":[749,723,442,805,746,833,778,867,318,823,912,679,548,488,789,835,705,603,675,830,518,562,584,683,563,510,624,646,618,663,914,604,693,699,636,772,767,749,582,713,521,681,838,810,700,585,703,877,679,688,798,1026,573,796,645,606,994,685,679,702,554,584,597,615,639,564,810,435,629,570,633,499,901,781,465]},"rad":{"start":1991,"values":[1009,1002,960,1014,1012,955,1044,902,1080,989,984,944,1126,989,1036,1044,998,1013,1020,1011,1049,999,996,1007,1039,1036,966,1167,1124,1145,1032,1202,1111,1096,1171]},"summer":{"start":1951,"values":[25,25,29,17,21,13,24,25,52,16,26,13,23,42,14,28,24,28,36,28,33,22,34,17,43,41,16,20,22,18,23,41,48,19,20,30,16,23,39,33,30,45,25,38,47,24,38,24,44,28,34,34,56,30,39,56,31,30,37,37,39,34,39,36,40,45,33,78,52,41,39,58,53,50,43]},"sun":{"start":1951,"values":[1571,1407,1628,1471,1500,1353,1513,1362,1882,1295,1300,1266,1515,1549,1307,1273,1436,1400,1381,1297,1513,1366,1454,1261,1545,1579,1240,1207,1261,1335,1208,1622,1455,1237,1350,1399,1199,1293,1678,1509,1562,1515,1422,1504,1515,1337,1615,1241,1532,1391,1363,1349,1850,1477,1607,1688,1521,1553,1590,1431,1690,1493,1402,1476,1587,1532,1332,1920,1705,1745,1390,1903,1578,1561,1847]},"temp":{"start":1881,"values":[7.9,9.1,8.7,9.3,8.3,8.7,7.6,7.5,8.2,8.0,8.2,8.1,8.7,8.9,8.0,8.4,8.6,9.3,8.8,9.1,8.4,7.7,9.2,9.0,8.7,9.3,8.6,8.4,8.2,9.5,10.2,8.8,9.5,9.6,8.6,9.1,8.4,9.4,8.0,9.5,9.7,7.8,8.6,8.5,9.3,9.5,8.8,8.9,8.0,9.6,8.6,9.3,8.4,10.5,9.3,9.3,9.4,9.6,9.4,7.4,8.0,8.0,9.7,9.3,9.8,9.1,9.0,9.9,9.8,9.3,9.4,8.4,9.8,8.5,8.1,7.5,9.4,9.0,9.8,9.1,9.6,7.7,7.7,8.7,8.1,9.2,9.7,8.9,8.5,8.4,9.2,8.5,9.0,9.6,9.8,9.1,9.4,8.5,8.2,8.5,8.8,9.8,9.9,8.8,8.2,8.6,8.0,9.8,10.4,10.3,9.1,10.1,8.9,10.3,9.6,7.7,9.6,9.8,10.5,10.7,9.8,10.2,10.0,9.8,9.9,10.3,10.8,10.3,10.0,8.4,10.3,9.8,9.3,11.0,10.5,10.3,10.3,11.1,11.0,11.2,9.9,11.1,11.2,11.6,10.7]}},"recent_months":[{"month":"2025-11","pv_kwh_per_kwp_est":45.4,"radiation_kwh_m2":26.7,"sunshine_h":56.0,"temp_c":6.3,"precip_mm":40.0},{"month":"2025-12","pv_kwh_per_kwp_est":34.1,"radiation_kwh_m2":17.6,"sunshine_h":59.0,"temp_c":4.5,"precip_mm":21.0},{"month":"2026-01","pv_kwh_per_kwp_est":36.5,"radiation_kwh_m2":22.8,"sunshine_h":52.0,"temp_c":0.0,"precip_mm":39.0},{"month":"2026-02","pv_kwh_per_kwp_est":52.1,"radiation_kwh_m2":36.0,"sunshine_h":53.0,"temp_c":3.2,"precip_mm":51.0},{"month":"2026-03","pv_kwh_per_kwp_est":113.5,"radiation_kwh_m2":93.2,"sunshine_h":186.0,"temp_c":7.2,"precip_mm":29.0},{"month":"2026-04","pv_kwh_per_kwp_est":147.1,"radiation_kwh_m2":148.2,"sunshine_h":247.0,"temp_c":9.5,"precip_mm":26.0},{"month":"2026-05","pv_kwh_per_kwp_est":138.0,"radiation_kwh_m2":165.9,"sunshine_h":236.0,"temp_c":14.1,"precip_mm":95.0},{"month":"2026-06","pv_kwh_per_kwp_est":141.9,"radiation_kwh_m2":181.2,"sunshine_h":247.0,"temp_c":19.5,"precip_mm":75.0},{"month":"2026-07","pv_kwh_per_kwp_est":136.6,"radiation_kwh_m2":173.2,"sunshine_h":252.0,"temp_c":19.4,"precip_mm":41.0},{"month":"2026-08","pv_kwh_per_kwp_est":128.6,"radiation_kwh_m2":149.6,"sunshine_h":239.0,"temp_c":19.5,"precip_mm":37.0},{"month":"2026-09","pv_kwh_per_kwp_est":107.3,"radiation_kwh_m2":97.7,"sunshine_h":162.0,"temp_c":16.5,"precip_mm":24.0},{"month":"2026-10","pv_kwh_per_kwp_est":80.8,"radiation_kwh_m2":59.4,"sunshine_h":121.0,"temp_c":11.1,"precip_mm":72.0}],"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 Gronau. Datenbasis PVGIS (EU JRC) und DWD. https://solaratlas24.de/ort/gronau-niedersachsen.html (Stand 2026-11)"}