condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.020054066666666665 0.0 0.0601622 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0287024 0.0 0.0861072 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0