condition	mean	min	max
4 h after light	12.503003333333334	12.3764	12.57287
8 h after light	12.269	11.94486	12.4803
12 h after light	12.538506666666667	12.287230000000001	12.76792
4 h after dark	12.7214	12.536589999999999	12.85853
8 h after dark	12.66779	12.45154	12.86162
12 h after dark	12.823736666666667	12.743839999999999	12.87085