condition mean min max 0 h after light 1.480275 1.21586 1.74469 4 h after light 3.231115 3.21597 3.24626 8 h after light 3.9224500000000004 3.7524 4.0925 4 h after dark 4.366965 4.32103 4.4129 8 h after dark 2.81292 2.71219 2.91365 12 h after dark 1.832055 1.51509 2.14902