condition	mean	min	max
0 h after light	7.721870000000001	7.13999	8.30375
4 h after light	3.544325	3.07479	4.01386
8 h after light	5.023265	5.01247	5.03406
4 h after dark	5.97459	5.098	6.85118
8 h after dark	6.29241	5.81959	6.76523
12 h after dark	6.411355	5.69231	7.1304