condition	mean	min	max
4 h after light	9.709805	9.63477	9.78484
8 h after light	6.886195	6.1548	7.61759
12 h after light	8.007685	7.55769	8.45768
4 h after dark	9.107669999999999	8.7785	9.43684
8 h after dark	12.6584	12.5989	12.7179
12 h after dark	11.3341	11.3011	11.3671