condition	mean	min	max
4 h after light	3.585075	3.55111	3.61904
8 h after light	6.507759999999999	6.10868	6.90684
12 h after light	7.6722850000000005	7.48047	7.8641
4 h after dark	8.51645	7.85986	9.17304
8 h after dark	6.67966	6.55304	6.80628
12 h after dark	5.8331800000000005	5.62786	6.0385