condition mean min max 4 h after light 0.0110152 0.0 0.0220304 8 h after light 0.0222512 0.0 0.0445024 12 h after light 0.018688299999999998 0.0175995 0.0197771 4 h after dark 0.0319611 0.0 0.0669225 8 h after dark 0.0 0.0 0.0 12 h after dark 0.023945766666666667 0.0 0.0381923