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South East Queensland

                                                                                                   

Climate Overview

                             

Maps and graphs provide a summary of the rainfall, evaporation and temperature data for the reporting period.


Rainfall

The total area-averaged rainfall over the South East Queensland (SEQ) region during 2009–10 was 870 mm, which is below the mean annual rainfall of 994 mm. Figure C1 shows that rainfall across most of the region was average during the 2009–10. Rainfall was below average along the coastline and over the southern part of the region.

During 2009–10, rainfall across the SEQ region was highest over the south of the region near the Gold Coast and over the northeast of the region near Caloundra. Rainfall was lowest inland along the western boundary (Figure C2). This distribution of rainfall is similar to the long-term average rainfall pattern (Figure C3).

The area-averaged monthly rainfall for 2009–10 shows that rainfall was average to below average in seven out of the 12 months of the year (Figure C4). Only during February and March was rainfall well above average, which was attributed to a few significant storm events that occurred during this period.

Figure C1. Map of annual rainfall deciles for the SEQ region during 2009-10 

Figure C1. Map of annual rainfall deciles for the South East Queensland region during 2009-10

Figure C2. Map of total annual rainfall for the SEQ region during 2009-10 

Figure C2. Map of total annual rainfall for the South East Queensland region during 2009-10

Figure C3. Map of average annual rainfall for the SEQ region, based on data collected between 1961-1990 

Figure C3. Map of average annual rainfall for the South East Queensland region, based on data collected between 1961-1990

Figure C4. Graph of total monthly rainfall for the SEQ region during 2009-10 compared against the long-term percentiles for the region 

Figure C4. Graph of total monthly rainfall for the South East Queensland region during 2009-10 compared against the long-term percentiles for the region

 

Evapotranspiration

The total area-averaged evapotranspiration (ET) over the South East Queensland (SEQ) region during 2009–10 was 840 mm, which is slightly below the mean annual ET of 847 mm. Figure C5 shows ET was generally equivalent to average to below average conditions across most of the region during 2009–10.

During 2009–10, ET was highest on the northeast and southeast areas of the region and lowest inland along the western boundary (Figure C6). The distribution of ET across the SEQ region during 2009–10 is similar to the long-term average ET pattern (Figure C7).

Figure C5. Map of annual evapotranspiration deciles for the SEQ region during 2009-10 

Figure C5. Map of annual evapotranspiration deciles for the South East Queensland region during 2009-10

Figure C6. Map of total annual evapotranspiration for the SEQ region during 2009-10 

Figure C6. Map of total annual evapotranspiration for the South East Queensland region during 2009-10

Figure C7. Map of average annual evapotranspiration for the SEQ region, based on modelled data from 1911-2010 

Figure C7. Map of average annual evapotranspiration for the South East Queensland region, based on modelled data from 1911-2010

Temperature

Figure C8 shows that the entire region experienced very much above average maximum daily temperatures during 2009–10. Much of the coastline of the region, including the area inland around Ipswich, experienced the highest maximum daily temperatures on record.

During 2009–10, maximum daily temperatures across the South East Queensland (SEQ) region were highest in the centre of the region and lowest in the southwest (Figure C9). This temperature pattern across the region during 2009–10 is relatively similar to the long-term average temperature pattern (Figure C10).

The area-averaged monthly maximum daily temperatures were above average throughout much of the year (Figure C11). During August, the region experienced the highest maximum daily temperatures on record. This unseasonably hot weather was a result of warm, gusty, north to north-westerly winds occurring across the region during this month.

Figure C8. Map of annual maximum daily temperature deciles for the SEQ region during 2009-10 

Figure C8. Map of annual maximum daily temperature deciles for the South East Queensland region during 2009-10

Figure C9. Map of annual mean maximum daily temperature for the SEQ region during 2009-10 

Figure C9. Map of annual mean maximum daily temperature for the South East Queensland region during 2009-10

Figure C10. Map of average annual maximum daily temperature for the SEQ region based on data collected between 1961-1990 

Figure C10. Map of average annual maximum daily temperature for the South East Queensland> region based on data collected between 1961-1990

Figure C11. Graph of average monthly maximum daily temperature for the SEQ region during 2009-10 compared with the long-term percentiles for the region 

Figure C11. Graph of average monthly maximum daily temperature for the South East Queensland region during 2009-10 compared with the long-term percentiles for the region