condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.13152766666666668 0.0 0.394583 2 h after dark 0.150364 0.0 0.451092 6 h after dark 0.0 0.0 0.0 10 h after dark 0.728022 0.0 1.72475