condition	mean	min	max
0 h after light	23.52955	22.8832	24.1759
4 h after light	8.10015	7.79764	8.40266
8 h after light	5.301315	3.77701	6.82562
4 h after dark	18.9728	17.4235	20.5221
8 h after dark	17.05385	16.0073	18.1004
12 h after dark	19.57475	17.7273	21.4222