condition	mean	min	max
4 h after light	8.637421	8.13593	9.138912
8 h after light	8.5420965	8.13593	8.948263
12 h after light	9.4388375	8.778554	10.099121
4 h after dark	10.7364525	8.948263	12.524642
8 h after dark	8.779859	8.611455	8.948263
12 h after dark	7.61457	7.61457	7.61457