condition	mean	min	max
0 h after light	5.363575	5.06282	5.66433
4 h after light	4.37609	3.87921	4.87297
8 h after light	5.435525	4.73015	6.1409
4 h after dark	9.128785	9.12747	9.1301
8 h after dark	5.85482	5.57866	6.13098
12 h after dark	5.792445	5.52123	6.06366