condition	mean	min	max
4 h after light	16.79815	16.7922	16.8041
8 h after light	13.4768	12.9871	13.9665
12 h after light	11.33155	11.1062	11.5569
4 h after dark	17.33865	17.1104	17.5669
8 h after dark	17.90495	17.0199	18.79
12 h after dark	20.111800000000002	19.7807	20.4429