condition mean min max 0 h after light 2.379105 1.82428 2.93393 2 h after light 1.4919965 0.941223 2.04277 4 h after light 3.194365 1.77642 4.61231 8 h after light 0.9339815 0.928669 0.939294 12 h after light 1.9894005 0.904191 3.07461 2 h after dark 1.980385 1.03065 2.93012 4 h after dark 0.8804115 0.86655 0.894273 8 h after dark 1.51944 0.0 3.03888 12 h after dark 1.9155600000000002 1.89839 1.93273