condition mean min max 2 h after light 0.9211626666666667 0.317076 1.90316 6 h after light 0.444907 0.17409 0.853709 10 h after light 0.423153 0.229556 0.740876 2 h after dark 0.31535789999999997 0.0935057 0.451198 6 h after dark 0.6016196666666667 0.175635 0.834241 10 h after dark 0.5756016666666667 0.373797 0.80751