condition mean min max 4 h after light 436.90117899999996 374.56516 499.237198 8 h after light 471.72767550000003 465.762215 477.693136 12 h after light 429.21612749999997 407.221579 451.210676 4 h after dark 502.125273 432.539749 571.710797 8 h after dark 475.170682 452.651961 497.689403 12 h after dark 364.01575 364.01575 364.01575