condition	mean	min	max
0 h after light	2.112545	1.67727	2.54782
4 h after light	3.046945	1.86606	4.22783
8 h after light	4.022460000000001	3.67298	4.37194
4 h after dark	4.620665000000001	4.5041	4.73723
8 h after dark	5.10959	4.62707	5.59211
12 h after dark	2.7008	2.27563	3.12597