condition	mean	min	max
4 h after light	2.9470099999999997	2.65875	3.23527
8 h after light	3.3038350000000003	3.19919	3.40848
12 h after light	2.7209	2.66729	2.77451
4 h after dark	2.5991133333333334	2.13921	3.01825
8 h after dark	2.5663366666666665	2.38569	2.84223
12 h after dark	2.2201	2.10971	2.40969