condition	mean	min	max
4 h after light	10.79871	9.80392	11.7935
8 h after light	8.42066	8.02474	8.81658
12 h after light	6.86369	6.41201	7.31537
4 h after dark	8.40604	8.07153	8.74055
8 h after dark	10.01947	9.72164	10.3173
12 h after dark	10.047065	9.91383	10.1803