condition	mean	min	max
0 h after light	19.403399999999998	18.8421	19.9647
4 h after light	9.015045	5.16889	12.8612
8 h after light	5.27061	5.16389	5.37733
4 h after dark	9.806180000000001	9.60856	10.0038
8 h after dark	12.01376	9.99232	14.0352
12 h after dark	19.8311	17.0075	22.6547