condition	mean	min	max
4 h after light	3.97638	3.37616	4.5766
8 h after light	2.674905	2.5999	2.74991
12 h after light	2.74575	2.31537	3.17613
4 h after dark	3.9312	3.67752	4.07928
8 h after dark	5.44649	5.29698	5.66153
12 h after dark	4.48011	4.07506	4.87695