condition mean min max 4 h after light 0.19987333333333332 0.0 0.346416 8 h after light 0.5106358 0.0890584 0.898187 12 h after light 0.6879513333333334 0.314416 0.883618 4 h after dark 0.539354 0.110457 0.986543 8 h after dark 0.756678 0.565617 0.979803 12 h after dark 0.672951 0.515098 0.918223