condition	mean	min	max
4 h after light	10.195229999999999	9.73006	10.6604
8 h after light	8.285105	8.21176	8.35845
12 h after light	12.469899999999999	12.1687	12.7711
4 h after dark	15.8822	14.5247	17.2397
8 h after dark	16.57725	16.1395	17.015
12 h after dark	14.68155	14.3706	14.9925