condition	mean	min	max
0 h after light	8.48446	7.70565	9.26327
4 h after light	2.30462	1.5703	3.03894
8 h after light	2.82468	2.0917	3.55766
4 h after dark	6.820105	4.5587	9.08151
8 h after dark	6.6091999999999995	5.56534	7.65306
12 h after dark	4.304795	3.59114	5.01845