condition	mean	min	max
4 h after light	9.102983333333334	9.09934	9.1052
8 h after light	9.38242	9.34083	9.41587
12 h after light	8.99391	8.88759	9.05535
4 h after dark	8.891256666666667	8.69462	8.99072
8 h after dark	8.94609	8.86128	9.00617
12 h after dark	8.954703333333335	8.86779	9.018410000000001