condition	mean	min	max
4 h after light	0.30379100000000003	0.215287	0.392295
8 h after light	0.18756050000000002	0.155788	0.219333
12 h after light	0.21929700000000002	0.126196	0.312398
4 h after dark	0.516189	0.437671	0.561229
8 h after dark	0.312959	0.237801	0.416109
12 h after dark	0.1706137	0.0489261	0.247094