condition	mean	min	max
0 h after light	2.552645	2.40311	2.70218
4 h after light	2.246105	1.34922	3.14299
8 h after light	2.34169	1.5397	3.14368
4 h after dark	8.178	7.15621	9.19979
8 h after dark	3.77543	3.507	4.04386
12 h after dark	3.30748	1.86113	4.75383