condition	mean	min	max
4 h after light	1.5242499999999999	1.27035	1.77815
8 h after light	1.38124	1.35063	1.41185
12 h after light	1.97777	1.77376	2.18178
4 h after dark	2.52365	2.37138	2.67592
8 h after dark	2.20316	1.95556	2.45076
12 h after dark	2.26	2.24584	2.27416