condition	mean	min	max
4 h after light	6.014145	5.30013	6.72816
8 h after light	6.212325	5.79338	6.63127
12 h after light	6.9686	6.36407	7.57313
4 h after dark	8.51917	8.2901	8.91662
8 h after dark	11.460866666666668	10.4167	13.4403
12 h after dark	8.834906666666667	7.67951	9.86114