condition mean min max 3 h after light 0.69760875 0.268681 1.06535 7 h after light 0.723767 0.333763 1.10565 11 h after light 0.7751391666666666 0.441458 1.26104 2 h after dark 0.7289095 0.37686 1.09795 6 h after dark 0.8656065000000001 0.147716 1.59702 10 h after dark 0.7359654166666667 0.256861 1.24849