condition	mean	min	max
0 h after light	9.015820000000001	8.0752	9.95644
4 h after light	2.49073	2.44976	2.5317
8 h after light	3.31313	2.52925	4.09701
4 h after dark	11.71585	11.6371	11.7946
8 h after dark	12.080549999999999	11.7217	12.4394
12 h after dark	7.37871	5.86595	8.89147