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 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.10912666666666666 0.0 0.32738 6 h after dark 0.15413933333333332 0.0 0.337163 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0