condition	mean	min	max
0 h after light	8.773205	8.66709	8.87932
4 h after light	4.9424	3.71174	6.17306
8 h after light	20.19195	18.1931	22.1908
4 h after dark	23.9585	16.6122	31.3048
8 h after dark	14.01225	12.8889	15.1356
12 h after dark	8.906690000000001	6.02528	11.7881