condition	mean	min	max
4 h after light	5.80363	5.06802	6.53924
8 h after light	5.034575	4.87461	5.19454
12 h after light	7.05828	5.40399	8.71257
4 h after dark	27.97015	23.5469	32.3934
8 h after dark	21.51345	18.7754	24.2515
12 h after dark	15.057400000000001	14.4829	15.6319