condition	mean	min	max
4 h after light	1.519115	1.50086	1.53737
8 h after light	3.470905	3.01349	3.92832
12 h after light	3.202635	2.8966	3.50867
4 h after dark	6.57395	6.13513	7.01277
8 h after dark	1.50277	1.38637	1.61917
12 h after dark	2.142625	2.08451	2.20074