condition	mean	min	max
4 h after light	2.53347	2.2956	2.77134
8 h after light	4.12748	3.81278	4.44218
12 h after light	6.443479999999999	6.05737	6.82959
4 h after dark	7.96621	7.84239	8.09003
8 h after dark	6.59183	5.78727	7.39639
12 h after dark	5.072425	4.92073	5.22412