condition	mean	min	max
4 h after light	9.280273333333334	8.84796	9.63194
8 h after light	9.036983333333334	8.71936	9.21969
12 h after light	9.406026666666667	9.185210000000001	9.635860000000001
4 h after dark	11.144433333333334	10.97516	11.3872
8 h after dark	11.16722	10.729339999999999	11.479410000000001
12 h after dark	10.83979	10.47868	11.15202