condition	mean	min	max
4 h after light	9.384998	9.155038	9.614958
8 h after light	9.298978	8.894951	9.703005
12 h after light	8.992699	8.846486	9.138912
4 h after dark	8.8016705	8.655078	8.948263
8 h after dark	8.70945	8.670089	8.748811
12 h after dark	8.948263	8.948263	8.948263