condition	mean	min	max
4 h after light	14.784682	14.577886	14.991478
8 h after light	16.0107155	15.74417	16.277261
12 h after light	17.115023	15.033383	19.196663
4 h after dark	23.458242	19.022547	27.893937
8 h after dark	18.464107499999997	18.260135	18.66808
12 h after dark	15.975154	15.975154	15.975154