condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.42754333333333333 0.0 1.28263 12 h after light 0.32810633333333333 0.0 0.984319 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0