condition mean min max 0 h after light 0.1308075 0.0 0.261615 4 h after light 0.754515 0.70933 0.7997 8 h after light 0.7867695 0.732348 0.841191 4 h after dark 0.418288 0.386932 0.449644 8 h after dark 0.2584725 0.194872 0.322073 12 h after dark 0.3854935 0.195948 0.575039