condition mean min max 3 h after light 0.106317 0.0 0.318951 6 h after light 0.149375 0.0 0.237732 9 h after light 0.208915 0.0 0.626745 12 h after light 0.06346366666666667 0.0 0.190391 3 h after dark 0.2929696666666667 0.0 0.878909 6 h after dark 0.06897233333333333 0.0 0.206917 9 h after dark 0.077506 0.0 0.232518 12 h after dark 0.0 0.0 0.0