Table 1.

Ranges of variability between the 5th and 95th percentile (in brackets) and the maximum values (in bold) of $\mathrm{\Delta }$, $\text{R}$ and $\mathrm{\alpha }$ for P1 and P2 at 550 nm and 650 nm.

	Δ		R		$\mathrm{\alpha }$
	P1	P2	P1	P2	P1	P2
550 nm	(0.31–0.72) 0.61	(0.39–0.69) 0.53	(13.6°–81.1°) 45.2°	(1.2°–14.5°) 3.6°	(8.9°–47.9°) 21.3°	(0°–180°) No peak
650 nm	(0.75–0.91) 0.89	(0.81–0.90) 0.88	(16.7°–96.1°) 56.6°	(1.7°–21.5°) 5.0°	(8.3°–54.2°) 23.0°	(0°–180°) No peak