condition	mean	min	max
4 h after light	2.85703	2.8304	2.88366
8 h after light	2.7195650000000002	2.68358	2.75555
12 h after light	1.8655499999999998	1.31436	2.41674
4 h after dark	1.8293366666666666	1.64476	1.98796
8 h after dark	1.43292	1.32813	1.55381
12 h after dark	3.08404	2.79073	3.28611