condition mean min max 4 h after light 326.791631 314.385903 339.197359 8 h after light 296.56588750000003 253.934416 339.197359 12 h after light 418.150795 363.798574 472.503016 4 h after dark 336.2875 333.377641 339.197359 8 h after dark 383.35855100000003 350.521272 416.19583 12 h after dark 306.054317 306.054317 306.054317