condition mean min max 0 h after light 0.3710905 0.303445 0.438736 4 h after light 0.357341 0.351463 0.363219 8 h after light 0.20621050000000002 0.19539 0.217031 4 h after dark 0.2840015 0.216518 0.351485 8 h after dark 0.46092750000000005 0.435742 0.486113 12 h after dark 0.3678965 0.160726 0.575067