condition	mean	min	max
4 h after light	8.073220000000001	3.72594	12.4205
8 h after light	3.832165	3.27634	4.38799
12 h after light	2.992235	2.57236	3.41211
4 h after dark	5.651615	4.30831	6.99492
8 h after dark	5.4226600000000005	5.21172	5.6336
12 h after dark	4.6895050000000005	4.19051	5.1885