condition	mean	min	max
4 h after light	1.8813900000000001	1.47468	2.2881
8 h after light	3.996985	3.8289	4.16507
12 h after light	9.686435	9.39492	9.97795
4 h after dark	12.5786	12.5116	12.6456
8 h after dark	9.34675	9.2589	9.4346
12 h after dark	5.8287700000000005	5.61156	6.04598