condition	mean	min	max
0 h after light	13.24345	12.3167	14.1702
4 h after light	13.12435	11.9165	14.3322
8 h after light	21.3	19.3033	23.2967
4 h after dark	16.9193	16.1682	17.6704
8 h after dark	14.06815	13.5454	14.5909
12 h after dark	12.19655	12.0108	12.3823