condition mean min max 4 h after light 413.8 413.8 413.8 8 h after light 496.7 439.6 553.8 12 h after light 455.20000000000005 304.3 606.1 4 h after dark 419.7 302.0 537.4 8 h after dark 496.0 411.5 580.5 12 h after dark 525.8 409.0 642.6