condition	mean	min	max
3 h after light	12.4109	10.1683	16.0612
6 h after light	13.710666666666667	10.0441	16.885
9 h after light	17.336233333333332	15.9323	18.598
12 h after light	16.37725	13.1013	19.363
3 h after dark	19.781133333333333	18.5855	21.9221
6 h after dark	14.0556	13.7052	14.6487
9 h after dark	10.55315	8.82533	13.0677
12 h after dark	8.6494	8.36906	8.92974