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# Figure 2.3 Chatham Islands annual rainfall anomalies for the period 1878 - 2004, shown as the percentage of the 1971-2000 normal

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The smoothed curve indicates the long-term trend. There is a tendency for rainfall to increase slightly over the period, but with lots of year-to-year variability.

##### Text description of figure

The figure shows a bar graph of annual rainfall against time, spanning the period of 1878-2004, except for a gap in the record 1915-1917. The height of the bar indicates the amount of rainfall as a percentage of the 1971-2000 normal. The rainfall varies a lot from year to year, ranging between about 70% and 120% of normal. A smooth curve, indicates a slight increasing trend in precipitation over the period.