condition mean min max 0 h after light 1.247265 1.24615 1.24838 4 h after light 2.588505 2.12964 3.04737 8 h after light 4.277175 3.89009 4.66426 4 h after dark 3.47508 3.18209 3.76807 8 h after dark 2.09504 2.06275 2.12733 12 h after dark 1.1858265000000001 0.829653 1.542