condition	mean	min	max
4 h after light	2.1322650000000003	2.0387	2.22583
8 h after light	1.854155	1.66465	2.04366
12 h after light	2.224885	2.20248	2.24729
4 h after dark	4.32115	3.75558	4.88672
8 h after dark	4.17578	3.82485	4.52671
12 h after dark	2.82594	2.58345	3.06843