condition mean min max 0 h after light 0.285381 0.274864 0.295898 2 h after light 0.297512 0.183568 0.411456 4 h after light 0.826355 0.62867 1.02404 8 h after light 0.6612665 0.565569 0.756964 12 h after light 0.5835325 0.522923 0.644142 2 h after dark 0.29532 0.282977 0.307663 4 h after dark 0.8955885 0.822517 0.96866 8 h after dark 0.301813 0.206106 0.39752 12 h after dark 0.5266765 0.489005 0.564348