condition mean min max 4 h after light 5.2112533333333335 5.10524 5.3505199999999995 8 h after light 5.314586666666667 5.21671 5.50938 12 h after light 5.297343333333333 5.21062 5.36174 4 h after dark 5.193083333333334 5.09719 5.24883 8 h after dark 5.3073999999999995 5.1655 5.50465 12 h after dark 5.212359999999999 5.1624099999999995 5.2823199999999995