condition mean min max 2 h after light 0.5887241666666667 0.259014 1.05326 6 h after light 0.422201 0.208824 0.697069 10 h after light 0.4476603333333333 0.229605 0.708681 14 h after light 0.6622115 0.499515 0.839788 18 h after light 0.8193451666666667 0.657357 1.06413 2 h after dark 0.5949495 0.454891 0.825832