condition	mean	min	max
0 h after light	6.259745	6.16278	6.35671
4 h after light	6.541625	6.51199	6.57126
8 h after light	4.411745	4.17657	4.64692
4 h after dark	7.703265	7.20184	8.20469
8 h after dark	6.8480550000000004	6.65405	7.04206
12 h after dark	6.28915	6.24568	6.33262