condition	mean	min	max
4 h after light	7.797195	6.89592	8.69847
8 h after light	24.2919	20.9158	27.668
12 h after light	43.77615	43.0523	44.5
4 h after dark	38.1962	37.9706	38.5171
8 h after dark	22.700266666666664	20.7658	24.7611
12 h after dark	12.1648	11.6211	12.5653