Depth Layer (m)

Volume (106 m3)

1969-1980

Volume (106 m3)

1991-2002

Mean Temp. (˚C) (1969-1980)

Mean Temp. (˚C) (1991-2002)

ΔT (˚C)

0 - 10

1573

1279

21.9

22.3

0.4

11 - 20

1215

992

20.2

20.4

0.2

21 - 30

729

506

16.3

16.7

0.4

31 - 40

309

85

15.3

15.5

0.2