condition mean min max 4 h after light 0.6915815 0.578934 0.804229 8 h after light 0.7898525000000001 0.750483 0.829222 12 h after light 0.5412825 0.395133 0.687432 4 h after dark 0.472981 0.325085 0.620877 8 h after dark 0.4490905 0.321176 0.577005 12 h after dark 0.37112100000000003 0.366759 0.375483