condition	mean	min	max
0 h after light	1.948625	1.74058	2.15667
4 h after light	1.90289	1.8705	1.93528
8 h after light	1.840255	1.54077	2.13974
4 h after dark	1.720935	1.55245	1.88942
8 h after dark	1.654195	1.4887	1.81969
12 h after dark	1.6980499999999998	1.46379	1.93231