condition	mean	min	max
4 h after light	2.27194	1.8829	2.66098
8 h after light	3.122135	2.98052	3.26375
12 h after light	2.04042	1.25547	2.82537
4 h after dark	2.5397933333333333	1.84032	3.4782
8 h after dark	2.1827	1.81983	2.5475
12 h after dark	2.648283333333333	2.0593	3.04914