condition	mean	min	max
4 h after light	0.6907175	0.67204	0.709395
8 h after light	0.542288	0.487121	0.597455
12 h after light	0.4873075	0.406394	0.568221
4 h after dark	0.4462085	0.406811	0.485606
8 h after dark	0.709353	0.652678	0.766028
12 h after dark	0.887493	0.881529	0.893457