condition	mean	min	max
0 h after light	17.4404	14.6684	20.2124
2 h after light	10.062445	8.81669	11.3082
4 h after light	9.18048	8.72291	9.63805
8 h after light	11.64105	11.008	12.2741
12 h after light	17.42605	12.0805	22.7716
2 h after dark	17.6861	16.7472	18.625
4 h after dark	20.33355	15.696	24.9711
8 h after dark	20.64365	19.7291	21.5582
12 h after dark	15.902	13.9542	17.8498