condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.2713396666666667 0.0 0.814019 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.5976356666666667 0.0 0.945463 9 h after dark 0.0 0.0 0.0 12 h after dark 1.2786166666666667 0.0 2.65855