condition	mean	min	max
4 h after light	16.588357000000002	13.888272	19.288442
8 h after light	13.440128	12.229431	14.650825
12 h after light	12.9460485	12.658243	13.233854
4 h after dark	8.9427775	7.47796	10.407595
8 h after dark	9.43882	8.843005	10.034635
12 h after dark	28.94533	28.94533	28.94533