condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.3175813333333333 0.0 0.952744 9 h after light 0.12511733333333333 0.0 0.375352 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0