condition	mean	min	max
0 h after light	20.327250000000003	8.1193	32.5352
4 h after light	8.0052	0.0	16.0104
8 h after light	44.7608	41.3248	48.1968
4 h after dark	3.987095	0.0	7.97419
8 h after dark	4.031945	0.0	8.06389
12 h after dark	0.0	0.0	0.0