condition mean min max 4 h after light 0.9207799999999999 0.67654 1.16502 8 h after light 0.6205155 0.619918 0.621113 12 h after light 0.7198115 0.583053 0.85657 4 h after dark 2.10942 1.09931 2.62737 8 h after dark 0.9143683333333333 0.590781 1.34893 12 h after dark 0.8300866805666667 4.17e-08 1.36134