condition	mean	min	max
0 h after light	11.81635	11.6159	12.0168
4 h after light	21.40235	14.3422	28.4625
8 h after light	14.722	13.3488	16.0952
4 h after dark	15.25095	13.9761	16.5258
8 h after dark	12.975	11.9348	14.0152
12 h after dark	16.32425	14.4218	18.2267