condition	mean	min	max
0 h after light	2.5343299999999997	2.36762	2.70104
4 h after light	3.4011050000000003	2.40814	4.39407
8 h after light	9.33804	8.45468	10.2214
4 h after dark	8.774015	7.42773	10.1203
8 h after dark	5.77899	5.25386	6.30412
12 h after dark	2.163735	1.82075	2.50672