Tem. min. > 11.9˚C below average

Winter WL up > 20 cm/month

Years of strong EL-NINO

12.5

23

1971

12.2, 12.5

25, 25

1976-78

12.6

31

1980

11.9

31

1983

11.9, 12.5

24, 29

1986-88

12.3, 14.6

32, 38

1991-2

13.3

21

1994

12.1, 12.8

20, 20

1997-98

13.1, 13.3

23, 76

2002-3