condition	mean	min	max
4 h after light	5.134869999999999	4.7633	5.50644
8 h after light	4.45111	3.98334	4.91888
12 h after light	3.7606200000000003	3.07361	4.44763
4 h after dark	2.7674	2.74754	2.78726
8 h after dark	3.36616	3.33604	3.39628
12 h after dark	4.59889	3.95642	5.24136