condition mean min max 4 h after light 533.2334834999999 501.825342 564.641625 8 h after light 326.94321249999996 220.885137 433.001288 12 h after light 200.919566 144.872032 256.9671 4 h after dark 150.9514825 96.202366 205.700599 8 h after dark 161.076844 59.08069 263.072998 12 h after dark 220.287511 220.287511 220.287511