condition	mean	min	max
4 h after light	0.220402	0.0	0.661206
8 h after light	0.073205	0.0	0.116743
12 h after light	0.06548853333333333	0.0	0.179708
4 h after dark	0.16068200000000002	0.0	0.28144
8 h after dark	0.0438947	0.0	0.0940834
12 h after dark	0.023476	0.0	0.070428