condition	mean	min	max
0 h after light	9.53054	9.00758	10.0535
4 h after light	11.927299999999999	11.5839	12.2707
8 h after light	18.74275	17.1922	20.2933
4 h after dark	18.13725	18.0044	18.2701
8 h after dark	16.09635	15.6071	16.5856
12 h after dark	9.586145	8.55549	10.6168