Wednesday, 1 April 2009 - Monthly Climate Summary for Brisbane Metro - Product code IDCKGC24R0

Brisbane Metro in March 2009

• Less than 50% of long-term average rainfall at most sites
• Slightly above average temperatures
• Slightly above average sunshine hours

An archive of previous monthly summaries for Brisbane Metro is also available, as are summaries for other states and many other climate summaries and diagnostics.

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Details

A large high pressure system located over central western Queensland produced a relatively dry, stable and hot air mass over much of the state, including the southeast, on the 1st of the month. Conditions eased in the east of the state on the 2nd.

Within the Brisbane metro area only Redcliffe received more than 50% of its average rainfall for March, reaching 60% of its long-term average for the month. During the first week of March very little rain fell in the Brisbane metro area. On the 9th light rain from a cloudband associated with Tropical Cyclone Hamish brought falls of up to 6.6mm to the area. On the 10th and 11th the combination of a high pressure system near Tasmania and Tropical Cyclone Hamish produced moderate to fresh southeast to easterly winds over the southeast of the state and strong to gale force winds near the coast and islands. These winds directed a mixture of showers and drizzle over the Brisbane metro area. Rain areas developed from the east coast on the 12th and spread west and, along with shower activity, produced falls of between 1.4 and 3.6mm over the Brisbane metro area. Scattered showers continued about the Southeast Coast on the 13th, with more isolated activity inland, and in the twenty four hours up until 9am on the 14th, daily rainfall totals of up to 6.0mm were recorded in the Brisbane metro area.

On the 16th, instability increased over the southeast of the state as an upper trough approached. During the afternoon showers and thunderstorms developed about the southeast to the east of a surface trough and rainfall totals of between 13.2mm and 25.2mm were recorded in the Brisbane metro area in the twenty four hour period up until 9am on the 17th. On the 20th cold middle level air destabilized conditions about the southeast of the state and scattered showers developed, bringing falls of up the 5.6mm to the Brisbane metro area. On the 28th instability increased over the southeast of the state as an upper level cold pool moved over the area and showers developed. Rain areas occurred over the southeast on the 29th and 30th.

The wettest overall was 76.0 mm at Redcliffe, followed by 58.6 mm at Brisbane Aero, followed by 54.5 mm at Logan City Water Treatment station.

The driest overall was 29.6 mm at Amberley AMO, followed by 46.2 mm at Archerfield Airport, followed by 47.6 mm at the Brisbane city weather station.

The wettest single day was 25.2 mm at Brisbane Aero on the 17th, followed by 20.6 mm at Archerfield Airport on the 17th, followed by 20.4 mm at Logan City Water Treatment station on the 17th.

See a map of total rainfall. See a map of rainfall deciles.

Maximum temperatures

The hottest day was 35.8 °C at Amberley AMO on the 1st, followed by 35.1 °C at Logan City Water Treatment station on the 1st, followed by 34.4 °C at Archerfield Airport on the 1st.

The warmest days on average were 30.3 °C at Amberley AMO, followed by 29.0 °C at Archerfield Airport, followed by 29.0 °C at the Brisbane city weather station. 

The coolest days on average were 28.2 °C at Brisbane Aero, followed by 28.2 °C at Redcliffe, followed by 28.7 °C at Logan City Water Treatment station.

The coldest day was 25.3 °C at the Brisbane city weather station on the 13th, followed by 25.8 °C at the Brisbane city weather station on the 11th, followed by 25.8 °C at Amberley AMO on the 13th.

See a map of mean maximum temperatures. See a map of maximum temperature anomalies.

Minimum temperatures

The coldest night was 11.5 °C at Amberley AMO on the 26th, followed by 12.0 °C at Amberley AMO on the 25th, followed by 12.3 °C at Amberley AMO on the 27th.

The coolest nights on average were 17.1 °C at Amberley AMO, followed by 18.6 °C at Archerfield Airport, followed by 19.5 °C at Logan City Water Treatment station.

The warmest nights on average were 20.5 °C at Redcliffe, followed by 20.1 °C at the Brisbane city weather station, followed by 19.7 °C at Brisbane Aero.

The warmest night was 24.1 °C at Archerfield Airport on the 3rd, followed by 24.0 °C at the Brisbane city weather station on the 3rd, followed by 24.0 °C at Brisbane Aero on the 9th.

See a map of mean minimum temperatures. See a map of minimum temperature anomalies.

Wind

The strongest wind gust was 76 km/h at Archerfield Airport on the 16th, followed by 74 km/h at Redcliffe on the 28th, followed by 67 km/h at Redcliffe on the 9th.

Other phenomena

The average daily number of sunshine hours in Brisbane during March was 8.3, which is slightly above the March average of 7.8. There was only one day of thunderstorm activity at Brisbane Aero in March, compared with an average of two. Thunderstorms occurred in the Ipswich area on the 2nd, 4th, 16th and 21st of the month and in the Brisbane/Logan area on the 4th, 16th, 20th and 21st of the month.

Further information

Queensland Climate Services Centre
Bureau of Meteorology
Phone (07) 3239 8700
Email climate.qld@bom.gov.au

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Extremes

Hottest day Highest temperature	35.8 °C at Amberley AMO on the 1st 35.1 °C at Logan City Water Treatment on the 1st 34.4 °C at Archerfield Airport on the 1st
Warmest days on average Highest mean daily maximum temperature	30.3 °C at Amberley AMO 29.0 °C at Archerfield Airport 29.0 °C at Brisbane
Coolest days on average Lowest mean daily maximum temperature	28.2 °C at Brisbane Aero 28.2 °C at Redcliffe 28.7 °C at Logan City Water Treatment
Coldest day Lowest daily maximum temperature	25.3 °C at Brisbane on the 13th 25.8 °C at Brisbane on the 11th 25.8 °C at Amberley AMO on the 13th
Coldest night Lowest temperature	11.5 °C at Amberley AMO on the 26th 12.0 °C at Amberley AMO on the 25th 12.3 °C at Amberley AMO on the 27th
Coolest nights on average Lowest mean daily minimum temperature	17.1 °C at Amberley AMO 18.6 °C at Archerfield Airport 19.5 °C at Logan City Water Treatment
Warmest nights on average Highest mean daily minimum temperature	20.5 °C at Redcliffe 20.1 °C at Brisbane 19.7 °C at Brisbane Aero
Warmest night Highest daily minimum temperature	24.1 °C at Archerfield Airport on the 3rd 24.0 °C at Brisbane on the 3rd 24.0 °C at Brisbane Aero on the 9th
Wettest overall Highest total rainfall	76.0 mm at Redcliffe 58.6 mm at Brisbane Aero 54.5 mm at Logan City Water Treatment
Driest overall Lowest total rainfall	29.6 mm at Amberley AMO 46.2 mm at Archerfield Airport 47.6 mm at Brisbane
Wettest day Highest daily rainfall	25.2 mm at Brisbane Aero on the 17th 20.6 mm at Archerfield Airport on the 17th 20.4 mm at Logan City Water Treatment on the 17th
Highest wind gust	76 km/h at Archerfield Airport on the 16th 74 km/h at Redcliffe on the 28th 67 km/h at Redcliffe on the 9th

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Records

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Summaries

In this table, key sites have been highlighted to make them easier to find. This table is very wide and may not fit if printed.

Summary statistics for March 2009
	Maximum temperatures for March (°C)				Minimum temperatures for March (°C)				Rainfall for March (millimetres)
	Mean for March 2009	Diff from average	Highest for March 2009		Mean for March 2009	Diff from average	Lowest for March 2009		Total for March 2009	Average for March	Rank of March 2009	Fraction of March average
Moreton South Coast (district 40)
Amberley AMO	30.3	+1.0	35.8	1st	17.1	-0.7	11.5	26th	29.6	81.3	average	36%
Archerfield Airport	29.0	+0.3	34.4	1st	18.6	+0.4	14.0	26th	46.2	124.2	low	37%
Brisbane*	29.0	+1.0	33.8	1st	20.1	+0.7	17.3	27th	47.6	140.7	low	34%
Brisbane Aero	28.2	+0.2	31.2	5th	19.7	+0.4	16.3	27th	58.6	76.2	average	77%
Logan City Water Treatment	28.7	+0.3	35.1	1st	19.5	+0.8	15.7	25th	54.5	111.7	low	49%
Redcliffe*	28.2	+0.7	32.8	1st	20.5	+0.6	17.7	27th	76.0	126.8	average	60%

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Notes

Further information

Queensland Climate Services Centre
Bureau of Meteorology
Phone (07) 3239 8700
Email climate.qld@bom.gov.au

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