condition	mean	min	max
4 h after light	4.174075	3.57234	4.77581
8 h after light	4.24674	3.86936	4.62412
12 h after light	5.802	5.49693	6.10707
4 h after dark	4.796735	4.31914	5.27433
8 h after dark	4.105665	4.10336	4.10797
12 h after dark	5.505775	4.80404	6.20751