condition	mean	min	max
4 h after light	8.01768	7.29242	8.64873
8 h after light	8.204393333333334	2.3406	13.7231
12 h after light	8.88542	6.24337	11.2796
4 h after dark	15.1915	11.7744	17.2867
8 h after dark	13.6335	10.5156	15.4997
12 h after dark	7.08782	5.97868	7.7266