condition	mean	min	max
4 h after light	8.145945999999999	8.103328	8.188564
8 h after light	8.464672	8.427815	8.501529
12 h after light	8.188564	8.188564	8.188564
4 h after dark	8.3348525	7.92027	8.749435
8 h after dark	7.613065	7.037566	8.188564
12 h after dark	9.953048	9.953048	9.953048