condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
12 h after light	3.326365	0.0	6.65273
4 h after dark	2.191865	0.0	4.38373
8 h after dark	1.6379299999999999	1.0984	2.17746
12 h after dark	1.991835	1.82092	2.16275