condition	mean	min	max
4 h after light	2.97142	2.90678	3.03606
8 h after light	2.5253249999999996	2.24109	2.80956
12 h after light	2.81879	2.71084	2.92674
4 h after dark	3.3728949999999998	2.93067	3.81512
8 h after dark	3.18096	2.89183	3.47009
12 h after dark	3.177195	3.11165	3.24274