condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.2469615 0.160915 0.333008 4 h after dark 0.0358497 0.0 0.0716994 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0