condition mean min max 4 h after light 261.5187575 208.959304 314.078211 8 h after light 599.381005 436.315737 762.446273 12 h after light 751.1578955 699.267772 803.048019 4 h after dark 1413.884548 1174.494991 1653.274105 8 h after dark 1382.146738 1045.657145 1718.636331 12 h after dark 969.704192 969.704192 969.704192