condition mean min max 4 h after light 0.0274865 0.0 0.054973 8 h after light 0.060035 0.0 0.12007 12 h after light 0.07781 0.0 0.15562 4 h after dark 0.327397 0.247173 0.423642 8 h after dark 0.036605 0.0 0.109815 12 h after dark 0.017060366666666667 0.0 0.0511811