condition	mean	min	max
0 h after light	3.549205	3.49603	3.60238
4 h after light	2.78697	2.46616	3.10778
8 h after light	2.911365	2.72869	3.09404
4 h after dark	4.292375	4.10697	4.47778
8 h after dark	4.37087	4.15769	4.58405
12 h after dark	2.924175	2.41944	3.42891