condition	mean	min	max
4 h after light	2.173505	2.13571	2.2113
8 h after light	1.6141450000000002	1.30986	1.91843
12 h after light	1.9777550000000002	1.88359	2.07192
4 h after dark	2.467735	2.36914	2.56633
8 h after dark	2.6754	2.47325	2.87755
12 h after dark	2.6637950000000004	2.43522	2.89237