condition mean min max 4 h after light 1.2151693333333333 0.588128 1.6673 8 h after light 0.710474 0.231338 1.14169 12 h after light 0.8969516666666667 0.375134 1.38976 4 h after dark 0.9586306666666666 0.810851 1.19198 8 h after dark 0.80172 0.648065 1.0795 12 h after dark 0.9299029999999999 0.636419 1.08784