condition	mean	min	max
4 h after light	19.5384	17.933	21.1438
8 h after light	5.66718	5.33777	5.99659
12 h after light	0.257246	0.16568	0.348812
4 h after dark	0.213084	0.0	0.322855
8 h after dark	0.7805880000000001	0.526078	0.97763
12 h after dark	8.734033333333333	8.01024	10.1478