condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.098341 0.0 0.196682 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.087974 0.0 0.175948 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.2769235 0.179845 0.374002