condition	mean	min	max
4 h after light	6.450035	5.66207	7.238
8 h after light	8.789954999999999	8.33642	9.24349
12 h after light	8.43493	7.96861	8.90125
4 h after dark	8.54039	8.31382	8.84912
8 h after dark	7.077496666666667	6.18385	7.54271
12 h after dark	5.65633	4.38459	6.94126