condition	mean	min	max
4 h after light	7.192405	6.5254	7.85941
8 h after light	5.93142	5.7447	6.11814
12 h after light	4.949275	4.57868	5.31987
4 h after dark	7.771694999999999	7.2376	8.30579
8 h after dark	7.85678	7.19337	8.52019
12 h after dark	10.0655	10.0167	10.1143