condition	mean	min	max
0 h after light	7.522345	7.2013	7.84339
4 h after light	6.6904	5.80793	7.57287
8 h after light	11.538274999999999	9.27755	13.799
4 h after dark	15.24795	14.9809	15.515
8 h after dark	10.9435	10.8151	11.0719
12 h after dark	6.15189	4.58448	7.7193