condition	mean	min	max
0 h after light	2.2599099999999996	2.23709	2.28273
4 h after light	1.98915	1.84225	2.13605
8 h after light	2.36737	1.62368	3.11106
4 h after dark	2.35382	2.02211	2.68553
8 h after dark	1.915705	1.88513	1.94628
12 h after dark	2.091035	1.91151	2.27056