condition	mean	min	max
4 h after light	1.5289350000000002	1.52299	1.53488
8 h after light	2.252575	1.96621	2.53894
12 h after light	2.13065	1.60316	2.65814
4 h after dark	2.03328	2.02002	2.04654
8 h after dark	1.836435	1.53856	2.13431
12 h after dark	1.887035	1.78286	1.99121