condition	mean	min	max
0 h after light	2.172535	2.16653	2.17854
4 h after light	3.763945	3.23229	4.2956
8 h after light	7.188245	6.86156	7.51493
4 h after dark	4.30747	3.60471	5.01023
8 h after dark	4.251005	4.10006	4.40195
12 h after dark	2.164005	2.05865	2.26936