condition	mean	min	max
0 h after light	16.972250000000003	16.5045	17.44
4 h after light	23.91985	22.9599	24.8798
8 h after light	28.07905	24.3954	31.7627
4 h after dark	29.8155	28.6443	30.9867
8 h after dark	24.2648	23.3804	25.1492
12 h after dark	18.07715	17.1597	18.9946