condition	mean	min	max
0 h after light	9.30242	8.96021	9.64463
4 h after light	7.684279999999999	6.57871	8.78985
8 h after light	5.52384	5.51689	5.53079
4 h after dark	8.37323	7.67665	9.06981
8 h after dark	9.21689	8.82469	9.60909
12 h after dark	9.60864	9.07918	10.1381