condition	mean	min	max
4 h after light	1.786515	1.61986	1.95317
8 h after light	2.9120850000000003	2.69255	3.13162
12 h after light	2.671425	2.48709	2.85576
4 h after dark	4.03763	4.03405	4.04121
8 h after dark	3.332655	3.15871	3.5066
12 h after dark	2.6865550000000002	2.58731	2.7858