Brisbane Metro in May 2011: A Cooler Month

  • Near average May rainfall
  • Cooler than average for both mean daily maximum and minimum temperatures

Rainfall

Rainfall during May was slightly below to the long-term (1961-1990) average for the coastal areas and above average over the inland areas. Thunderstorm activity was reported around the Brisbane area on the 3rd, 10th, 16th, 23rd, 29th, 30th and 31st. Pea size hails were observed over some areas during the 30th and 31st.

The wettest overall was Redlands HRS with 106.6 mm, followed by Logan City Water Treatment Plant with 81.5 mm, then Redcliffe with 73.4 mm.

The driest overall was Brisbane Aero with 44.2 mm, followed by Amberley AMO with 62.0 mm, then Brisbane with 69.2 mm.

The wettest single day was at Redcliffe with 29.2 mm on the 22nd, followed by Logan City Water Treatment Plant with 24.4 mm on the 20th, then Redlands HRS with 23.6 mm on the 4th.

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

Temperature

The averaged daily maximum temperatures were marginally, less than 1 C, below the long-term (1960-1990) averages across the Brisbane area and the mean minimum temperatures were 1 to 2 C below the long-term means.

The warmest on average was Brisbane with 18.1 C, followed by Redcliffe with 17.7 C, then Brisbane Aero with 17.2 C.

The coolest on average was Amberley AMO with 15.5 C, followed by Archerfield Airport with 16.8 C, then Brisbane Aero with 17.2 C.

Maximum temperature

The hottest day was at Brisbane with 27.6 C on the 2nd, followed by Brisbane with 27.1 C on the 1st, then Amberley AMO with 27.0 C on the 1st.

The warmest days on average were at Brisbane with 23.4 C, followed with 23.0 C at both Amberley AMO and Logan City Water Treatment Plant, then Archerfield Airport with 22.8 C.

The coolest days on average were at Redcliffe with 21.9 C, followed by Brisbane Aero with 22.4 C, then Archerfield Airport with 22.8 C.

The coldest day was at Archerfield Airport with 17.8 C on the 9th, followed by Amberley AMO with 18.3 C on the 9th, then Redcliffe with 18.4 C on the 25th.

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

Minimum temperature

The coldest nights all happened at Amberley AMO with 2.9 C on the 27th, followed 3.2 C on the 13th and the 15th, then 3.6 C on the 28th.

The coolest nights on average were at Amberley AMO with 8.0 C, followed by Archerfield Airport with 10.8 C, then Logan City Water Treatment Plant with 11.3 C.

The warmest nights on average were at Redcliffe with 13.4 C, followed by Brisbane with 12.8 C, then Brisbane Aero with 12.0 C.

The warmest night was at Redcliffe with 17.2 C, followed by Brisbane with 17.0 C, then Brisbane Aero with 16.9 C all on the 22nd.

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

Wind

The strongest wind gust was at Redcliffe with 59 km/h on the 3rd, followed by Amberley AMO with 56 km/h on the 3rd, then Brisbane Aero with 56 km/h on the 23rd.

Further information

Media
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Extremes in May 2011
Hottest day 27.6 C at Brisbane on the 2nd
27.1 C at Brisbane on the 1st
27.0 C at Amberley AMO on the 1st
Warmest days on average 23.4 C at Brisbane
23.0 C at Amberley AMO
23.0 C at Logan City Water Treatment Plant
22.8 C at Archerfield Airport
Coolest days on average 21.9 C at Redcliffe
22.4 C at Brisbane Aero
22.8 C at Archerfield Airport
Coldest day 17.8 C at Archerfield Airport on the 9th
18.3 C at Amberley AMO on the 9th
18.4 C at Redcliffe on the 25th
Coldest night 2.9 C at Amberley AMO on the 27th
3.2 C at Amberley AMO on the 13th & 15th
3.6 C at Amberley AMO on the 28th
Coolest nights on average 8.0 C at Amberley AMO
10.8 C at Archerfield Airport
11.3 C at Logan City Water Treatment Plant
Warmest nights on average 13.4 C at Redcliffe
12.8 C at Brisbane
12.0 C at Brisbane Aero
Warmest night 17.2 C at Redcliffe on the 22nd
17.0 C at Brisbane on the 22nd
16.9 C at Brisbane Aero on the 22nd
Warmest on average overall 18.1 C at Brisbane
17.7 C at Redcliffe
17.2 C at Brisbane Aero and Logan City Water Treatment Plant
Coolest on average overall 15.5 C at Amberley AMO
16.8 C at Archerfield Airport
17.2 C at Brisbane Aero and Logan City Water Treatment Plant
Wettest overall 106.6 mm at Redlands HRS
81.5 mm at Logan City Water Treatment Plant
73.4 mm at Redcliffe
Driest overall 44.2 mm at Brisbane Aero
62.0 mm at Amberley AMO
69.2 mm at Brisbane
Wettest day 29.2 mm at Redcliffe on the 22nd
24.4 mm at Logan City Water Treatment Plant on the 20th
23.6 mm at Redlands HRS on the 4th
Highest wind gust 59 km/h at Redcliffe on the 3rd
56 km/h at Amberley AMO on the 3rd
56 km/h at Brisbane Aero on the 23rd
54 km/h at Archerfield Airport on the 3rd
54 km/h at Brisbane Aero on the 12th




Summary statistics for May 2011
Maximum temperatures
for May
(C)
Minimum temperatures
for May
(C)
Rainfall
for May
(millimetres)
Mean for
May
2011
Diff
from
average
Highest for
May
2011
Mean for
May
2011
Diff
from
average
Lowest for
May
2011
Total for
May
2011
Average
for
May
Rank of
May
2011
Fraction of
May
average
Moreton South Coast (district 40)
Amberley AMO 23.0 -1.0 27.0 1st 8.0 -2.0 2.9 27th 62.0 53.7 high 115%
Archerfield Airport 22.8 -1.0 26.6 2nd 10.8 -1.1 7.1 13th 71.6 75.3 average 95%
Brisbane 23.4 -1.1 27.6 2nd 12.8 -0.8 7.9 13th 69.2 64.1 high 108%
Brisbane Aero 22.4 -1.2 26.1 1st 12.0 -0.9 7.4 13th 44.2 113.5 low 39%
Logan City Water Treatment Plant 23.0 -1.0 26.7 2nd 11.3 -1.2 6.1 14th 81.5 114.7 average 71%
Redcliffe 21.9   26.0 1st 13.4   9.6 13th 73.4

Notes

A Monthly Climate Summary is prepared to list the main features of the weather in Brisbane Metro using the most timely and accurate information available on the date of publication; it will generally not be updated. Later information, including data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review, usually published in the fourth week of the month.

This statement has been prepared based on information available at 10 am on Wednesday 1 June 2011. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

Averages are long-term means based on observations from all available years of record, which vary widely from site to site. They are not shown for sites with less than 9 years of record, as they cannot then be calculated reliably.
The median is sometimes more representative than the mean of long-term average rain.

The Rank indicates how rainfall this time compares with the climate record for the site, based on the decile ranking (very low rainfall is in decile 1, low in decile 2 or 3, average in decile 4 to 7, high in decile 8 or 9 and very high is in decile 10).
The Fraction of average shows how much rain has fallen this time as a percentage of the long-term mean.

Further information

Media
(03) 9669 4057
Enquiries