condition	mean	min	max
4 h after light	5.00624	4.62814	5.38434
8 h after light	6.177664999999999	6.03177	6.32356
12 h after light	7.418875	7.02143	7.81632
4 h after dark	8.456143333333333	8.02664	9.00907
8 h after dark	6.4477	6.03035	6.96865
12 h after dark	7.01447	6.24846	8.07268