condition mean min max 0 h after light 0.0394777 0.0 0.0789554 4 h after light 7.72694 2.17968 13.2742 8 h after light 1.459785 1.04483 1.87474 4 h after dark 1.51579 1.16316 1.86842 8 h after dark 3.2392149999999997 2.90141 3.57702 12 h after dark 1.8126 0.0 3.6252