condition	mean	min	max
0 h after light	14.03335	13.333	14.7337
4 h after light	18.9008	16.9313	20.8703
8 h after light	14.798	14.4148	15.1812
4 h after dark	6.459955	5.87235	7.04756
8 h after dark	5.675835	5.61803	5.73364
12 h after dark	9.238645	8.19099	10.2863