condition mean min max 4 h after light 0.156422 0.0 0.469266 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.22532466666666665 0.0 0.675974 8 h after dark 0.12232866666666666 0.0 0.366986 12 h after dark 0.179104 0.0 0.537312