condition	mean	min	max
0 h after light	9.595975	9.30137	9.89058
4 h after light	18.60605	16.3604	20.8517
8 h after light	22.5809	22.3111	22.8507
4 h after dark	20.4186	15.4732	25.364
8 h after dark	13.46035	12.4376	14.4831
12 h after dark	9.739875	8.71805	10.7617