condition	mean	min	max
0 h after light	6.908995	6.39171	7.42628
4 h after light	32.15355	21.0376	43.2695
8 h after light	17.83705	17.4614	18.2127
4 h after dark	16.52185	15.6144	17.4293
8 h after dark	16.5477	15.6861	17.4093
12 h after dark	9.24634	9.19618	9.2965