condition mean min max 0 h after light 2.8396350000000004 2.37916 3.30011 4 h after light 1.0044925 0.745905 1.26308 8 h after light 1.46682 1.30407 1.62957 4 h after dark 2.565225 1.98497 3.14548 8 h after dark 2.399635 2.07281 2.72646 12 h after dark 1.58428 1.34089 1.82767