condition	mean	min	max
0 h after light	15.997150000000001	15.3865	16.6078
4 h after light	13.52305	13.0503	13.9958
8 h after light	7.6502349999999995	7.16536	8.13511
4 h after dark	9.46866	6.00932	12.928
8 h after dark	12.72055	12.6672	12.7739
12 h after dark	17.908099999999997	15.6143	20.2019