condition mean min max 4 h after light 362.15024800000003 352.029269 372.271227 8 h after light 379.75433499999997 307.492193 452.016477 12 h after light 398.74256 395.526749 401.958371 4 h after dark 471.6172795 464.346269 478.88829 8 h after dark 490.82038 440.078211 541.562549 12 h after dark 642.466847 642.466847 642.466847