condition	mean	min	max
0 h after light	1.226275	1.18686	1.26569
4 h after light	1.496155	1.4824	1.50991
8 h after light	1.320474	0.974318	1.66663
4 h after dark	2.411035	2.30276	2.51931
8 h after dark	2.574235	2.43358	2.71489
12 h after dark	1.531425	1.52938	1.53347