condition	mean	min	max
4 h after light	9.205034999999999	9.04781	9.36226
8 h after light	7.09501	6.67664	7.51338
12 h after light	7.380599999999999	6.84817	7.91303
4 h after dark	8.193345	7.57253	8.81416
8 h after dark	8.135375	7.41558	8.85517
12 h after dark	10.975999999999999	10.9662	10.9858