condition	mean	min	max
4 h after light	16.81735	16.5863	17.0484
8 h after light	9.757280000000002	9.47516	10.0394
12 h after light	4.540095	3.94994	5.13025
4 h after dark	2.02536	1.60524	2.44548
8 h after dark	5.368589999999999	4.50156	6.23562
12 h after dark	12.2057	11.923	12.4884