condition	mean	min	max
0 h after light	2.170735	2.02795	2.31352
4 h after light	1.6491	1.23555	2.06265
8 h after light	1.36741	1.17751	1.55731
4 h after dark	1.51722	1.23563	1.79881
8 h after dark	1.62076	1.61396	1.62756
12 h after dark	1.23785	1.22422	1.25148