condition	mean	min	max
4 h after light	9.04002	8.30941	9.48232
8 h after light	8.222033333333332	7.8022	8.47673
12 h after light	8.07556	7.70448	8.36665
4 h after dark	10.426293333333334	9.65409	10.93758
8 h after dark	10.69549	9.83387	11.23275
12 h after dark	11.189869999999999	10.37101	11.8376