condition	mean	min	max
0 h after light	3.239515	2.76241	3.71662
4 h after light	2.1731800000000003	1.53668	2.80968
8 h after light	1.860795	1.58654	2.13505
4 h after dark	2.47783	2.35496	2.6007
8 h after dark	2.372	2.24347	2.50053
12 h after dark	3.551475	3.47217	3.63078