condition	mean	min	max
4 h after light	2.06215	1.54784	2.57646
8 h after light	3.303635	3.2245	3.38277
12 h after light	4.364265	4.24176	4.48677
4 h after dark	4.506303333333333	4.07141	4.89182
8 h after dark	3.17713	2.89146	3.39735
12 h after dark	1.8070266666666668	1.40402	2.18432