condition	mean	min	max
4 h after light	8.384625	7.735801	9.033449
8 h after light	8.150765999999999	7.775092	8.52644
12 h after light	8.348659	8.294234	8.403084
4 h after dark	8.1723	7.372386	8.972214
8 h after dark	8.949369	8.59978	9.298958
12 h after dark	8.297456	8.297456	8.297456