condition	mean	min	max
2 h after light	2.67786	2.49369	2.932
6 h after light	1.93263	1.66537	2.10692
10 h after light	1.71049	1.63359	1.76856
2 h after dark	1.2687466666666667	1.11415	1.35188
6 h after dark	2.10411	1.94481	2.23849
10 h after dark	2.4077566666666668	2.37049	2.44264