condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0648135 0.0 0.129627 8 h after light 0.062932 0.0 0.125864 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.127049 0.0 0.254098