condition mean min max 3 h after light 1.6029185833333333 0.52194 3.00687 7 h after light 1.7580403333333332 0.620766 3.06568 11 h after light 1.761815 1.01624 2.66748 2 h after dark 1.9586048333333332 0.636696 3.51862 6 h after dark 1.65634325 0.761842 3.49599 10 h after dark 1.6971924166666665 0.486022 2.71228