condition	mean	min	max
4 h after light	5.92935	5.79358	6.06512
8 h after light	5.73875	5.35339	6.12411
12 h after light	7.356325	7.18839	7.52426
4 h after dark	11.94705	11.8613	12.0328
8 h after dark	7.6103499999999995	6.88336	8.33734
12 h after dark	7.87688	6.87548	8.87828