condition mean min max 0 h after light 0.0915605 0.0 0.183121 2 h after light 0.04651145 0.0 0.0930229 4 h after light 0.0 0.0 0.0 8 h after light 0.0481275 0.0 0.096255 12 h after light 0.0 0.0 0.0 2 h after dark 0.094615 0.0 0.18923 4 h after dark 0.04664835 0.0 0.0932967 8 h after dark 0.1996065 0.0 0.399213 12 h after dark 0.6924555 0.477118 0.907793