condition mean min max 4 h after light 0.3496665 0.270671 0.428662 8 h after light 0.1265735 0.126291 0.126856 12 h after light 0.250245 0.153446 0.347044 4 h after dark 0.3905155 0.37074 0.410291 8 h after dark 0.513504 0.368304 0.658704 12 h after dark 0.590673 0.565352 0.615994