condition	mean	min	max
4 h after light	10.41127	8.57474	12.2478
8 h after light	6.140455	5.55717	6.72374
12 h after light	17.02435	16.5964	17.4523
4 h after dark	29.7878	28.7978	30.3664
8 h after dark	30.4261	25.0913	33.6516
12 h after dark	15.1618	14.7135	15.9444