condition	mean	min	max
0 h after light	3.9186750000000004	3.84681	3.99054
4 h after light	5.5574650000000005	4.86239	6.25254
8 h after light	17.0086	16.3508	17.6664
4 h after dark	13.892	13.623	14.161
8 h after dark	11.471350000000001	10.6041	12.3386
12 h after dark	4.938855	4.36114	5.51657