Wednesday, 2 January 2013 - Annual Climate Summary for Brisbane Metro - Product code IDCKGC34L0

Brisbane Metro in 2012: Wet, warm days and nights

During 2012 three of five locations in the Brisbane metro region recorded above-average rainfall. Rainfall at Amberley and Archerfield was 18% and 3% below average respectively, while the other stations received 111 to 119% of their long-term mean. Both day-time and over-night temperatures were above average (based on deciles), although both Amberley and Archerfield were the only stations to record positive anomalies (+0.3 and +0.4 °C respectively).

• The wettest overall was Redlands with 1379 mm
• Warmest days on average were 27.0 °C at Amberley and the warmest nights on average were 16.6 °C at Redcliffe
• There were a number of daily rainfall records broken in the Metro region, including Boondall and Mango Hill (refer to the QLD summary)

Other phenomena

Heavy rain in late January caused extensive flooding in southeast Queensland. A low pressure system, partially the remnants of a tropical low which had travelled across the Northern Territory, brought heavy rain and flash flooding across southeast Queensland on 23 March. Smoke was frequently observed in the southern SE Coast district during October. Severe thunderstorms over 17–18 November caused widespread damage in southeast Queensland and some flash flooding in the Brisbane suburbs.

Extremes Maps Records Summaries Important notes the top

Through the year

• January - It was wet and cool with above-average rainfall and below-average temperatures. Redcliffe was the wettest overall and Brisbane Airport the coolest. Extreme rainfall began in the southeast around the 24th and it rained for 8 consecutive days in Brisbane and surrounds. A record-low relative humidity was recorded on the 11th at Brisbane. Extensive flooding occurred in late January across southeast Queensland.
• February - Overall average, but on the cool side with essentially average rainfall and cool temperatures. Logan was the wettest overall and Amberley the coolest.
  
• Autumn (March, April, May) - An all-round average autumn; based on deciles (see decile maps) rainfall and temperatures were average across the metro region. Redcliffe was the wettest overall and Brisbane the warmest.
  
• Winter (June, July, August) - Wet, warm days and nights saw above-average rainfall and temperatures across the metro region, based on deciles (see decile maps). Redlands was the wettest overall and Brisbane the warmest. Redlands and Logan City observed new record-high winter daily minimum temperatures, from 48 years of record at Redlands, and 20 at Logan City. There was a record dry spell (for July & August) for Brisbane between 21 July and 30 August, surpassing the existing record of 38 days in 1991.
  
• Spring (September, October, November) - Dry, warm days, and average nights. Based on deciles (see decile maps) rainfall was below average across the metro region. Amberley observed the warmest days on average, while Redcliffe recorded the warmest nights. Severe thunderstorms on 17 and 18 November caused widespread damage in southeast Queensland, whith some flash flooding in and around Brisbane.
• December - Very dry and warm. All locations received below average rainfall, with Redlands and Amberley the lowest rainfall for at least 20 years. Brisbane received only 34% of its December average rainfall and was the warmest on average overall. Logan had a record highest December temperature of 40.1 °C on the 4th and Archerfield an equal record highest December daily minimum temperature of 24.9 °C on the 18th.

Rainfall

The wettest overall was Redlands HRS with 1379.3 mm, followed by Redcliffe with 1330.4 mm, followed by Brisbane Aero with 1261.8 mm.

The wettest single day was at Redlands HRS with 250.6 mm on 25 Jan, followed by Redcliffe with 234.8 mm on 25 Jan, followed by Brisbane Aero with 174.6 mm on 25 Jan.

Temperature

The warmest on average was Brisbane with 21.1 °C, followed by Redcliffe with 20.6 °C, followed by Archerfield Airport with 20.5 °C.

The coolest on average was Amberley AMO with 19.6 °C, followed by Brisbane Aero with 20.3 °C, followed by Logan City Water Treatment Plant with 20.4 °C.

Maximum temperature

The hottest day was at Amberley AMO with 40.6 °C on 9 Jan, followed by Logan City Water Treatment Plant with 40.1 °C on 4 Dec, followed by Amberley AMO with 39.2 °C on 17 Dec.

The warmest days on average were at Amberley AMO with 27.0 °C, followed by Archerfield Airport with 26.6 °C, followed by Brisbane with 26.2 °C.

The coolest days on average were at Redcliffe with 24.7 °C, followed by Brisbane Aero with 25.1 °C, followed by Logan City Water Treatment Plant with 25.9 °C.

The coldest day was at Amberley AMO with 14.4 °C on 26 Jun, followed by Archerfield Airport with 14.6 °C on 27 Jun, followed by Brisbane with 15.1 °C on 27 Jun.

Minimum temperature

The coldest night was at Amberley AMO with -1.6 °C on 4 Aug, followed by Amberley AMO with -1.4 °C on 5 Aug, followed by Amberley AMO with -1.4 °C on 8 Aug, followed by Amberley AMO with -1.2 °C on 3 Aug.

The coolest nights on average were at Amberley AMO with 12.2 °C, followed by Archerfield Airport with 14.3 °C, followed by Logan City Water Treatment Plant with 15.0 °C.

The warmest nights on average were at Redcliffe with 16.6 °C, followed by Brisbane with 16.0 °C, followed by Brisbane Aero with 15.4 °C.

The warmest night was at Brisbane with 25.1 °C on 18 Dec, followed by Redcliffe with 25.0 °C on 10 Jan, followed by Archerfield Airport with 24.9 °C on 18 Dec, followed by Redcliffe with 24.9 °C on 19 Dec.

Wind

The strongest wind gust was at Brisbane Aero with 85 km/h on 17 Nov, followed by Amberley AMO with 81 km/h on 19 Jan, followed by Redcliffe with 81 km/h on 22 Oct, followed by Redcliffe with 76 km/h on 10 Apr.

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Extremes in 2012
Hottest day	40.6 °C at Amberley AMO on 9 Jan 40.1 °C at Logan City Water Treatment Plant on 4 Dec 39.2 °C at Amberley AMO on 17 Dec
Warmest days on average	27.0 °C at Amberley AMO 26.6 °C at Archerfield Airport 26.2 °C at Brisbane
Coolest days on average	24.7 °C at Redcliffe 25.1 °C at Brisbane Aero 25.9 °C at Logan City Water Treatment Plant
Coldest day	14.4 °C at Amberley AMO on 26 Jun 14.6 °C at Archerfield Airport on 27 Jun 15.1 °C at Brisbane on 27 Jun
Coldest night	-1.6 °C at Amberley AMO on 4 Aug -1.4 °C at Amberley AMO on 5 Aug -1.4 °C at Amberley AMO on 8 Aug
Coolest nights on average	12.2 °C at Amberley AMO 14.3 °C at Archerfield Airport 15.0 °C at Logan City Water Treatment Plant
Warmest nights on average	16.6 °C at Redcliffe 16.0 °C at Brisbane 15.4 °C at Brisbane Aero
Warmest night	25.1 °C at Brisbane on 18 Dec 25.0 °C at Redcliffe on 10 Jan 24.9 °C at Archerfield Airport on 18 Dec 24.9 °C at Redcliffe on 19 Dec
Warmest on average overall	21.1 °C at Brisbane 20.6 °C at Redcliffe 20.5 °C at Archerfield Airport
Coolest on average overall	19.6 °C at Amberley AMO 20.3 °C at Brisbane Aero 20.4 °C at Logan City Water Treatment Plant
Wettest overall	1379.3 mm at Redlands HRS 1330.4 mm at Redcliffe 1261.8 mm at Brisbane Aero
Wettest day	250.6 mm at Redlands HRS on 25 Jan 234.8 mm at Redcliffe on 25 Jan 174.6 mm at Brisbane Aero on 25 Jan
Highest wind gust	85 km/h at Brisbane Aero on 17 Nov 81 km/h at Amberley AMO on 19 Jan 81 km/h at Redcliffe on 22 Oct

Extremes Maps Records Summaries Important notes the top

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Maps
	Observed	Anomaly	Decile rank
Total rainfall
Mean daily maximum temperatures
Mean daily minimum temperatures

Click on a map to show it full size in a pop-up window

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Extremes Maps Records Summaries Important notes the top

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Summary statistics for 2012
	Maximum temperatures (°C)				Minimum temperatures (°C)				Rainfall (millimetres)
	Mean for 2012	Diff from average	Highest for 2012		Mean for 2012	Diff from average	Lowest for 2012		Total for 2012	Average annual total	Rank of 2012	Fraction of annual average
Moreton South Coast (district 40)
Amberley AMO	27.0	+0.3	40.6	9 Jan	12.2	-0.9	-1.6	4 Aug	703.8	861.7	low	82%
Archerfield Airport	26.6	+0.4	37.8	4 Dec	14.3	0.0	1.9	5 Aug	1034.6	1067.8	average	97%
Brisbane	26.2	-0.2	37.9	4 Dec	16.0	-0.2	4.1	3 Aug	1177.2	998.1	high	118%
Brisbane Aero	25.1	-0.2	35.9	11 Jan	15.4	-0.2	3.7	3 Aug	1261.8	1063.9	high	119%
Logan City Water Treatment Plant	25.9	0.0	40.1	4 Dec	15.0	0.0	3.6	3 Aug	1216.9	1097.8	average	111%
Redcliffe	24.7		35.5	4 Dec	16.6		5.5	4 Jul	1330.4

Extremes Maps Records Summaries Important notes the top

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