condition	mean	min	max
0 h after light	6.569235	5.54205	7.59642
4 h after light	17.41125	16.3633	18.4592
8 h after light	28.281950000000002	26.3745	30.1894
4 h after dark	23.997799999999998	22.4406	25.555
8 h after dark	17.67875	16.618	18.7395
12 h after dark	8.72275	6.0195	11.426