condition	mean	min	max
4 h after light	4.806145	3.70317	5.90912
8 h after light	5.6815	5.39954	5.96346
12 h after light	2.0139	1.36069	2.66711
4 h after dark	0.949864	0.717288	1.18244
8 h after dark	0.89428	0.808769	0.979791
12 h after dark	1.68308	1.50399	1.86217