condition	mean	min	max
4 h after light	5.593895	4.83682	6.35097
8 h after light	8.56711	8.27375	8.86047
12 h after light	9.778929999999999	8.52456	11.0333
4 h after dark	7.614393333333333	6.52428	8.77749
8 h after dark	6.072373333333333	5.49321	7.04402
12 h after dark	5.17699	4.70914	5.62138