condition	mean	min	max
0 h after light	2.114915	1.92452	2.30531
4 h after light	2.21939	1.89409	2.54469
8 h after light	4.101375	3.61119	4.59156
4 h after dark	4.725465	4.35669	5.09424
8 h after dark	4.27502	4.25708	4.29296
12 h after dark	3.076835	2.49406	3.65961