condition	mean	min	max
4 h after light	11.80715	6.57695	15.9342
8 h after light	8.85085	2.50116	14.1363
12 h after light	10.98305	7.00915	15.9062
4 h after dark	15.491573333333335	9.95002	18.6823
8 h after dark	14.194493333333334	9.80768	17.4385
12 h after dark	14.137599999999999	12.881	15.5148