Year

Surface (˚C)

Air (˚C)

WL (mbsl)

1986

22.6

19.1

211.60

1987

23

21.5

219.26

1988

25.6

24.7

209.53

1989

22.9

22

211.02

1990

22.5

22.3

211.98

1991

22.1

22.2

212.40

1992

21.2

21.1

209.38

1993

22.1

21.4

209.28

1994

25.5

24.5

209.94

1995

23.1

21

209.87

1996

22.8

21.1

210.56

1997

22.4

20.2

211.18

1998

23.6

21.5

211.44

1999

23.9

21.9

212.38

2000

23.3

20.9

212.84

2001

24.9

23.4

213.87