condition mean min max 4 h after light 442.25075649999997 425.847441 458.654072 8 h after light 484.884088 461.228427 508.539749 12 h after light 499.06188399999996 457.991547 540.132221 4 h after dark 691.7639919999999 472.147569 911.380415 8 h after dark 699.6156289999999 551.665496 847.565762 12 h after dark 632.139125 632.139125 632.139125