condition	mean	min	max
4 h after light	4.23634	4.21987	4.25281
8 h after light	6.036175	5.91941	6.15294
12 h after light	4.3413	4.1507	4.5319
4 h after dark	2.607215	1.91351	3.30092
8 h after dark	2.916535	2.74122	3.09185
12 h after dark	3.509095	2.27217	4.74602