Table 2. Monthly otolith δ¹⁸O values (in ‰) predicted for the 3 sub-stocks over the 3-year study-period (1997–99).

Month	Sub-stock A	Sub-stock B	Sub-stock C
1	2.46 (2.25−2.59)	2.35 (2.04−2.59)	2.22 (2.00−2.44)
2	2.64 (2.34−2.75)	2.45 (1.81−2.70)	2.51 (2.37−2.65)
3	2.64 (2.05−2.79)	2.40 (1.79−2.71)	2.48 (2.15−2.63)
4	2.52 (2.31−2.64)	1.96 (0.54−2.47)	2.26 (2.06−2.36)
5	2.40 (2.05−2.56)	1.67 (1.13−2.07)	1.79 (1.62−1.99)
6	2.20 (1.83−2.42)	1.13 (0.76−1.60)	1.21 (0.98−1.39)
7	1.98 (1.48−2.43)	0.47 (-0.39−1.11)	0.63 (0.42−0.91)
8	1.69 (0.76−2.32)	-0.06 (-0.77−0.21)	0.38 (0.03−0.83)
9	1.41 (0.77−2.06)	-0.32 (-0.73−0.04)	0.57 (0.16−1.61)
10	1.52 (0.93−2.08)	0.36 (0.06−0.65)	0.91 (0.55−1.77)
11	1.58 (1.32−1.85)	1.15 (0.91−1.30)	1.26 (1.00−1.52)
12	2.11 (1.94−2.35)	1.93 (1.73−2.04)	2.00 (1.64−2.10)

For each sub-stock and month, the range (minimum - maximum) of values predicted for all the grid cells occupied is shown in italics beside the corresponding mean.