condition	mean	min	max
0 h after light	12.758835	5.09627	20.4214
4 h after light	17.8384	15.5782	20.0986
8 h after light	7.78155	0.0	15.5631
4 h after dark	20.0504	15.0749	25.0259
8 h after dark	17.63065	15.1845	20.0768
12 h after dark	12.55725	10.1788	14.9357