condition	mean	min	max
4 h after light	1.8702649999999998	1.55149	2.18904
8 h after light	2.0948	2.03599	2.15361
12 h after light	1.697125	1.5472	1.84705
4 h after dark	2.040215	1.64625	2.43418
8 h after dark	9.74602	9.01324	10.4788
12 h after dark	7.064204999999999	4.8037	9.32471