condition mean min max 0 h after light 3.8350850000000003 3.81998 3.85019 4 h after light 3.00814 2.2202 3.79608 8 h after light 4.1043199999999995 3.77255 4.43609 4 h after dark 2.41815 2.15071 2.68559 8 h after dark 3.4985549999999996 2.70511 4.292 12 h after dark 2.424335 2.12863 2.72004