condition	mean	min	max
4 h after light	2.29693	1.17823	3.41563
8 h after light	4.19314	4.00991	4.37637
12 h after light	4.30997	4.14797	4.47197
4 h after dark	5.198356666666666	4.60727	5.72339
8 h after dark	2.57052	2.3881	2.73304
12 h after dark	3.0599333333333334	2.94152	3.28012