Queensland in May 2011: Drier Over the West and North, a Cooler Month

  • Below average May rainfall across most parts of the tropical and the western districts
  • Slight above average rainfall over the southeast inland parts
  • Cooler than average daily maximum means over most parts of the state, apart from the Cape York Peninsula
  • Cooler than average daily minimum means across the entire state,  especially so in northwestern parts
  • Second coldest May for the state-averaged daily mean temperature
  • Seventh coldest May for the state-averaged daily maximum temperature
  • Second coldest May for the state-averaged daily minimum temperature

Main Weather Systems

The month started with a day of fine weather conditions across almost the entire state apart from some very isolated showers over the southeast coast.

A middle level trough approached the southwestern border on the 2nd and swept through the southern districts over the next two days. Isolated weak showers over the southern interior on the 2nd increased to patchy rain and scattered thunderstorms on the 3rd, then further spread over the southeast quadrant with some moderate falls near the southeast corner during the late 3rd and the early 4th.

A high moved across the Great Australian Bight and introduced dry and cool conditions to the interior of the state for the next few days. The southeasterly winds brought some coastal showers over the exposed parts of the central and southeast coasts during the 5th to the 7th, then moved into the southern tropical coast on the 8th and produced scattered showers along the tropical coast south of Cairns.

A surface trough extended from the Gulf Country into the Maranoa and Warrego district on the 8th then moved almost parallel with the southeast coast on early the 9th and intensified before moving off the coast line towards east. Isolated showers occurred over the southern and central interior on the 8th and increased to rain areas and scattered thunderstorms around the Darling Downs and Granite Belt district on the 9th before spreading over the southern and the central coasts region. As the trough moved away from the coast, the lingering moisture generated some isolated showers over the southeast quadrant on the 10th. The southwesterly wind behind the trough pushed a dry and cooler air stream over most of the state and maintained fine weather conditions over most parts between the 11th to 15th.

As the wind direction turned to south to southeasterly over the following days, showers dominated the Queensland east coast during 16th to 22nd while the interior and western parts of the state remained fine.

A surface trough approached the southwestern border on early 22nd and pushed a band of rain and scattered showers across the southwestern corner during that afternoon. Showers and thunderstorms associated with the surface trough progressed through the southern parts of the state and crossed the southeast coast during late 23rd and early 24th. Showers cleared the southeast quadrant of the state early on the 24th, then the entire state basked in mostly fine weather conditions through to 28th.

On the 29th, an upper level trough moved into the southwestern Queensland and coupled with a high level jet stream. This combination increased instability and dynamics over the southern and southeastern areas of the state. A surface trough formed over the central Darling Downs and pushed a band of rain and thunderstorms through the southeast during the late 29th to the 31st. Reports of pea size hails were received from many places over the southeast coast between the 30th to 31st.

Rainfall

The southeast inland parts received above long-term average rainfall and the remainder of the southeast, most of the western, the tropical and the interior parts of the state had less than average rainfall. The state averaged May monthly rainfall was 11.98 mm which was significantly below the long-term (1961-1990) May average rainfall of 30.48 mm. About 13.3% of the area received very much below average rainfall (decile 1 range). These areas included the north tropical coast, the central interior and a small area near the southwestern border.

The wettest overall was Bellenden Ker Top with 279.8 mm, followed by Rainbow Beach with 214.0 mm, then Point Lookout with 210.6 mm.

Some sites had their highest total May rainfall for at least 20 years. Some sites had their lowest total May rainfall on record.

The wettest single day was at Point Lookout with 73.9 mm on the 30th, followed by Peachester with 58.2 mm on the 22nd, then Clermont Sirius St with 50.0 mm on the 20th.

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

Temperature

The entire state experienced cooler than the long-term (1961-1990) average daily mean temperatures, with most of the northern and central parts significantly, 2 to 5 C, below the averages. The state averaged mean temperature in May was 2.13 C below the long-term (1961-1990) average of 19.88 C. This figure was ranked the 2nd coldest May since the area-averaged dataset records started in 1950 and was the coldest since 1960 (1st).

The warmest on average was Coconut Island with 28.8 C, followed by Horn Island with 27.4 C, then Weipa Aero with 26.0 C.

The coolest on average was Applethorpe with 10.2 C, followed by Stanthorpe Leslie Parade with 10.8 C, then Warwick with 12.8 C.

Maximum temperature

Apart from the Northern Tropical Coast, most parts of the state had an average daily maximum temperature below the long-term (1961-1990) average, with the western and the central districts significantly, 2 to 3 C, below the averages. The state averaged maximum temperature in May was 1.21 C below the long-term (1961-1990) average of 26.20 C. This figure was ranked the 7th coldest May since the area-averaged dataset records started in 1950 and was the coldest since 2000 (5th).

The hottest day was at Coconut Island with 34.1 C on the 4th, followed by Coconut Island with 33.9 C on the 5th, then with 33.7 C at Burketown Airport on the 2nd, at Kowanyama Airport on the 23rd and at Coconut Island on the 24th.

The warmest days on average were at Coconut Island with 32.6 C, followed by Scherger RAAF with 31.8 C, then Weipa Aero with 31.4 C.

The coolest days on average were at Applethorpe with 16.2 C, followed by Stanthorpe Leslie Parade with 17.3 C, then Toowoomba Airport with 18.2 C.

The coldest day was at Applethorpe with 9.4 C on the 25th, followed by Stanthorpe Leslie Parade with 10.4 C on the 25th, then Miles Constance Street with 11.3 C on the 31st.

Some sites had their coldest May day (lowest maximum temperature) on record. Some sites had their lowest May mean daily maximum temperature on record. Some sites had their lowest May mean daily maximum temperature for at least 20 years. See a map of mean maximum temperatures. See a map of maximum temperature anomalies.

Minimum temperature

This May, the entire state experienced an averaged daily minimum temperature below the long-term (1961-1990) means, with the tropical, the western and the interior districts significantly, 3 to 6 C, below the means. The state averaged minimum temperature in May was 3.05 C below the long-term (1961-1990) average of 13.56 C. This figure was ranked the 2nd coldest May since the area-averaged dataset records started in 1950 and was the coldest since 2001 (1st).

The coldest night was at Applethorpe with -2.8 C on the 15th, followed by Stanthorpe Leslie Parade with -2.0 C on the 15th and -1.9 C on the 16th.

The coolest nights on average were at both Applethorpe and Stanthorpe Leslie Parade with 4.2 C, followed by Mitchell Post Office with 4.8 C, then Tambo Post Office with 5.0 C.

The warmest nights on average were at Coconut Island with 25.1 C, followed by Horn Island with 24.6 C, then Willis Island with 23.6 C.

The warmest night was at Coconut Island with 26.1 C on the 5th, followed by  26.0 C at Horn Island on the 5th and at Horn Island on the 24th, then Coconut Island with 25.9 C on the 20th, the 22nd and the 24th.

Some sites had their lowest May temperature on record. Some sites had their lowest May mean daily minimum temperature on record. Some sites had their lowest May mean daily minimum temperature for at least 20 years. See a map of mean minimum temperatures. See a map of minimum temperature anomalies.

Wind

The strongest wind gust was with 85 km/h at  both Cape Moreton Lighthouse and Double Island Point Lighthouse on the 5th, followed by Double Island Point Lighthouse with 80 km/h on the 17th, then with 76 km/h at Dalby Airport on the 3rd and at Double Island Point Lighthouse on the 16th.

Further information

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Extremes in May 2011
Hottest day 34.1 C at Coconut Island on the 4th & 5th
33.7 C at Burketown Airport on the 2nd
33.7 C at Kowanyama Airport on the 23rd
33.7 C at Coconut Island on the 24th
Warmest days on average 32.6 C at Coconut Island
31.8 C at Scherger RAAF
31.4 C at Weipa Aero
Coolest days on average 16.2 C at Applethorpe
17.3 C at Stanthorpe Leslie Parade
18.2 C at Toowoomba Airport
Coldest day 9.4 C at Applethorpe on the 25th
10.4 C at Stanthorpe Leslie Parade on the 25th
11.3 C at Miles Constance Street on the 31st
Coldest night -2.8 C at Applethorpe on the 15th
-2.0 C at Stanthorpe Leslie Parade on the 15th
-1.9 C at Stanthorpe Leslie Parade on the 16th
Coolest nights on average 4.2 C at Applethorpe
4.2 C at Stanthorpe Leslie Parade
4.8 C at Mitchell Post Office
Warmest nights on average 25.1 C at Coconut Island
24.6 C at Horn Island
23.6 C at Willis Island
Warmest night 26.1 C at Coconut Island on the 5th
26.0 C at Horn Island on the 5th
26.0 C at Horn Island on the 24th
25.9 C at Coconut Island on the 20th, 22nd and 24th
Warmest on average overall 28.8 C at Coconut Island
27.4 C at Horn Island
26.0 C at Weipa Aero
Coolest on average overall 10.2 C at Applethorpe
10.8 C at Stanthorpe Leslie Parade
12.8 C at Warwick
Wettest overall279.8 mm at Bellenden Ker Top
214.0 mm at Rainbow Beach
210.6 mm at Point Lookout
Wettest day 73.9 mm at Point Lookout on the 30th
58.2 mm at Peachester on the 22nd
50.0 mm at Clermont Sirius St on the 20th
Highest wind gust 85 km/h at Cape Moreton Lighthouse on the 5th
85 km/h at Double Island Point Lighthouse on the 5th
80 km/h at Double Island Point Lighthouse on the 17th
76 km/h at Dalby Airport on the 3rd
76 km/h at Double Island Point Lighthouse on the 16th

Highest total May rainfall for at least 20 years
Total rainfall
for May 2011 (mm)
Most recent May
at least this wet
Years since
wetter
Average for
May
Clermont Sirius St 76.8 157.9 in 1989 22 35.1


Record lowest May daily maximum temperature
Lowest daily maximum
temperature
in May 2011 (C)
Previous coolest
for May
Years of
record
Average for
May
Dalby Airport 13.3 on the 31st 13.8 on the 31st in 2000 20 23.3



Record lowest May mean daily maximum temperature
Mean daily maximum
temperature
for May 2011 (C)
Previous coolest
for May
Years of
record
Average for
May
Croydon Township 29.0 29.1 in 2006 86 31.7
St Lawrence Post Office 25.0 25.2 in 1983 71 26.8
Collinsville Post Office 25.5 25.6 in 1960 53 27.6
Injune Post Office 21.2 = 21.2 in 1968 43 23.5
Seventeen Seventy 22.8 23.4 in 1992 23 24.2
Bowen Airport 25.8 26.0 in 1990 20 27.1

Lowest May mean daily maximum temperature for at least 20 years
Mean daily maximum
temperature
for May 2011 (C)
Most recent May
at least this cool
Years since
cooler
Average for
May
Cardwell Marine Pde 25.6 =25.6 in 1959 51 27.1
Sandy Cape Lighthouse 22.7 22.3 in 1960 50 24.1
Lady Elliot Island 23.2 23.1 in 1961 49 24.1
Mount Isa Aero 25.7 24.2 in 1968 43 27.9
Surat 21.6 20.5 in 1968 40 23.6
Texas Post Office 20.8 20.7 in 1970 40 23.1
Double Island Point Lighthouse 21.3 21.2 in 1967 39 22.3
Mackay M.O 22.9 22.7 in 1972 39 24.2
Applethorpe 16.2 =16.2 in 1974 34 17.4
Townsville Aero 26.8 26.5 in 1977 34 27.6
Stanthorpe Leslie Parade 17.3 16.8 in 1972 33 18.4
Cape Moreton Lighthouse 21.1 =21.1 in 1979 32 21.7
Ayr DPI Research Stn 26.4 26.3 in 1977 30 27.6
Clermont Sirius St 23.8 =23.8 in 1983 28 26.1
Mitchell Post Office 21.7 21.6 in 1983 28 23.1
Rockhampton Aero 24.7 24.4 in 1983 28 26.0
Taroom Post Office 23.1 22.6 in 1983 28 24.5
Mornington Island 27.3 26.3 in 1983 27 28.8
Oakey Aero 21.3 =21.3 in 1984 27 22.3
Baralaba Post Office 24.6 =24.6 in 1983 22 26.6
Proserpine Airport 25.5 25.3 in 1990 21 26.6
Tambo Post Office 22.7 22.4 in 1990 21 24.9



Record lowest May temperature
Lowest temperature
in May 2011 (C)
Previous coolest
for May
Years of
record
Average for
May
Longreach Aero 0.5 on the 31st 1.4 on the 29th in 2000 46 12.0
Mount Isa Aero 1.8 on the 31st 1.9 on the 26th in 1974 45 13.9
Proserpine Airport 5.0 on the 27th = 5.0 on the 30th in 2001 22 15.9
Bowen Airport 6.9 on the 27th 7.1 on the 30th in 2000 21 18.1



Record lowest May mean daily minimum temperature
Mean daily minimum
temperature
for May 2011 (C)
Previous coolest
for May
Years of
record
Average for
May
Croydon Township 13.6 14.1 in 2001 88 17.9
Collinsville Post Office 10.7 = 10.7 in 1957 53 13.8
Gladstone Radar 15.1 15.2 in 1960 53 17.0
Moranbah Water Treatment Plant 10.5 11.2 in 2001 24 14.4
Seventeen Seventy 15.5 15.6 in 2008 23 17.0
Bowen Airport 14.1 = 14.1 in 2001 20 18.1

Lowest May mean daily minimum temperature for at least 20 years
Mean daily minimum
temperature
for May 2011 (C)
Most recent May
at least this cool
Years since
cooler
Average for
May
Urandangi 7.6 6.8 in 1944 63 12.0
Clermont Sirius St 8.4 7.1 in 1944 62 11.5
Palmerville 14.3 =14.3 in 1944 61 17.4
Barcaldine Post Office 9.7 9.4 in 1951 55 12.4
Quilpie Airport 8.0 =8.0 in 1957 54 10.9
Windorah Post Office 8.1 7.6 in 1951 54 11.3
Lady Elliot Island 18.2 15.8 in 1956 52 19.6
Sandy Cape Lighthouse 16.3 16.2 in 1961 49 17.5
Tambo Post Office 5.0 4.8 in 1962 48 8.2
Charleville Aero 5.8 5.5 in 1966 45 8.9
Bollon Mary St 6.3 6.1 in 1970 41 8.7
Double Island Point Lighthouse 16.0 15.8 in 1968 38 17.3
Springsure Comet St 7.9 7.7 in 1971 38 10.9
St Lawrence Post Office 13.1 12.9 in 1971 38 15.1
Cape Moreton Lighthouse 15.5 15.2 in 1979 32 16.4
Bundaberg Aero 12.7 12.2 in 1966 25 14.2



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
North Peninsula (district 27)
Coconut Island 32.6 +1.8 34.1 4th 25.1 -0.1 23.8 10th 15.6 66.3 low 24%
Coen Airport 29.9   32.1 9th 18.2   12.9 27th 0 18.2 v low 0%
Horn Island 30.2 +0.3 31.0 10th 24.6 -0.1 22.0 8th 2.6 67.0 v low 4%
Scherger RAAF 31.8   33.5 4th 20.1   16.5 27th 2.0
Weipa Aero 31.4 -0.4 32.8 24th 20.5 -0.8 17.7 27th 8.8 19.9 average 44%
South Peninsula (district 28)
Lockhart River Airport 28.5 -0.2 29.9 24th 20.1 -1.8 16.4 7th 25.2 108.9 low 23%
Musgrave 30.3 -0.4 32.6 24th 15.5 -1.5 9.5 28th 0 15.0 lowest 0%
Palmerville 30.2 -1.0 33.0 23rd 14.3 -3.1 9.8 27th 0 16.2 lowest 0%
Lower Carpentaria (district 29)
Burketown Airport 29.6 -2.3 33.7 2nd 14.4 -3.8 9.3 27th 0 0.6 v low 0%
Century Mine 28.9   33.1 2nd 13.3   8.0 28th 0.2 1.1 average 18%
Cloncurry Airport 27.0 -2.4 31.7 2nd 11.5 -3.9 5.5 26th 0 5.7 lowest 0%
Croydon Township 29.0 -2.7 32.2 23rd 13.6 -4.3 6.6 27th 0 7.8 lowest 0%
Julia Creek Airport 27.6   31.9 22nd 8.3   1.7 26th 0 5.6 v low 0%
Kowanyama Airport 30.9 -1.2 33.7 23rd 16.1 -3.0 9.8 27th 0 11.1 lowest 0%
Mornington Island 27.3 -1.5 31.3 23rd 18.3 -1.9 12.6 28th 0 9.1 lowest 0%
Mount Isa Aero 25.7 -2.2 30.6 2nd 9.4 -4.5 1.8 31st 0 12.6 lowest 0%
Normanton Airport 29.5 -2.6 33.3 23rd 15.8 -3.5 11.4 27th 0 1.2 v low 0%
Sweers Island 26.4 -2.6 30.6 23rd 19.4 -2.5 15.3 30th 0 3.3 v low 0%
Upper Carpentaria (district 30)
Georgetown Airport 28.7   32.3 23rd 11.9   4.3 26th 0
Hughenden Airport 27.1 -1.6 31.7 23rd 9.3 -4.0 1.9 31st 0 4.4 v low 0%
Richmond Airport 27.6 -2.1 31.6 22nd 9.0 -4.1 2.3 26th 0 5.8 v low 0%
Richmond Post Office 27.8 -1.3 32.2 22nd 10.2 -2.9 3.5 26th 0 15.0 lowest 0%
Barron North Coast (district 31)
Cairns Aero 28.0 +0.4 30.4 4th 18.1 -1.8 12.1 14th 14.2 89.4 v low 16%
Cape Flattery 27.9   29.5 5th 22.6   19.9 10th 19.0
Cooktown Airport 27.2 -0.6 29.4 23rd 18.1 -2.7 11.2 27th 14.6 30.2 low 48%
Kairi Research Station 22.9 -0.1 27.2 9th 12.1 -2.7 3.8 27th 29.7 57.3 low 52%
Low Isles Lighthouse 26.9 -0.7 30.6 9th 22.4 -0.5 20.0 27th 25.6 98.7 v low 26%
Mareeba Airport 26.4 -0.5 29.4 23rd 14.9 -1.6 8.1 26th 2.4 6.9 low 35%
Walkamin Research Station 24.9 0.0 29.0 23rd 14.3 -1.9 8.3 14th 13.2 26.3 average 50%
Herbert North Coast (district 32)
Cardwell Marine Pde 25.6 -1.5 28.0 3rd 16.8 -0.8 9.6 27th 32.1 94.2 low 34%
Ingham Composite 26.3 -0.8 29.0 23rd 15.3 -2.5 8.5 26th 35.4 108.6 low 33%
Innisfail 25.8 -0.6 28.8 4th 17.6 -0.7 11.9 26th 111.8 299.2 low 37%
South Johnstone Exp Stn 25.9 -0.3 29.8 9th 16.4 -1.9 10.0 13th 87.8 264.2 low 33%
Townsville Aero 26.8 -0.8 29.3 4th 15.6 -2.0 8.7 27th 22.6 32.4 average 70%
East Central Coast (district 33)
Alva Beach 25.6 -1.5 28.1 3rd 14.8 -2.9 8.7 26th
Ayr DPI Research Stn 26.4 -1.2 29.8 4th 13.5 -2.7 6.2 27th 14.6 41.4 average 35%
Bowen Airport 25.8 -1.3 28.4 4th 14.1 -4.0 6.9 27th 22.0 42.0 average 52%
Collinsville Post Office 25.5 -2.1 29.4 2nd 10.7 -3.1 4.6 14th 21.6 32.0 average 68%
Hamilton Island Airport 22.8 -1.7 25.7 8th 19.2 -1.4 15.1 26th 95.2 81.7 average 117%
Mackay Aero 24.2 -1.0 26.4 4th 13.6 -1.9 6.6 27th 33.8 91.2 low 37%
Mackay M.O 22.9 -1.3 26.0 3rd 15.2 -1.9 9.2 26th 49.2 105.0 low 47%
Proserpine Airport 25.5 -1.1 29.9 4th 12.9 -3.0 5.0 27th 40.0 69.3 average 58%
Samuel Hill Aero 23.7 -1.3 27.6 2nd 12.2 -0.9 5.7 28th 95.8 78.1 high 123%
St Lawrence 24.8   28.0 3rd 12.2   5.6 28th 42.0
St Lawrence Post Office 25.0 -1.8 28.5 1st 13.1 -2.0 6.9 28th 40.2 47.6 average 84%
Williamson 24.6   28.1 1st 11.6   5.0 28th 45.4
Woolshed 23.0 -1.1 26.7 4th 11.2 -3.2 3.4 13th 34.8 17.3 high 201%
Yeppoon The Esplanade 22.4 -1.9 26.1 4th 13.2 -2.6 6.3 28th 73.4 74.4 average 99%
West Central Coast (district 34)
Charters Towers Airport 25.0 -2.5 28.9 23rd 12.2 -3.1 4.6 27th 28.3 20.8 high 136%
Moranbah Water Treatment Plant 24.5 -2.1 28.6 3rd 10.5 -3.9 5.1 28th 17.8 34.5 average 52%
Central Highlands (district 35)
Clermont Airport 23.9   28.6 3rd 6.5   0.1 28th 23.8
Clermont Sirius St 23.8 -2.3 28.2 3rd 8.4 -3.1 2.1 28th 76.8 35.1 high 219%
Emerald Airport 24.0 -2.4 28.0 23rd 10.3 -2.8 4.9 12th 34.4 19.3 high 178%
Lochington 23.6   28.2 23rd 7.8   2.5 29th 31.4
Rolleston Airport 23.2   28.3 2nd 7.9   2.8 26th 43.0
Springsure Comet St 23.2 -2.1 27.9 1st 7.9 -3.0 1.6 26th 32.2 35.5 average 91%
Tambo Post Office 22.7 -2.2 28.0 2nd 5.0 -3.2 -0.5 31st 28.0 34.3 average 82%
Taroom Post Office 23.1 -1.4 28.4 2nd 7.9 -1.8 2.5 31st 18.4 40.4 average 46%
Central Lowlands (district 36)
Barcaldine Post Office 24.5 -1.5 29.1 2nd 9.7 -2.7 3.0 11th 1.8 30.5 low 6%
Blackall Airport 23.5 -2.8 28.9 2nd 7.2 -3.4 0.3 26th
Isisford Post Office 25.2 -1.0 31.2 2nd 8.4 -2.8 2.4 27th 3.9 28.6 average 14%
Longreach Aero 25.6 -1.4 30.5 2nd 8.1 -3.9 0.5 31st 0.6 26.7 low 2%
Upper Western (district 37)
Camooweal Township 26.8 -2.1 31.6 2nd 9.0 -4.5 2.5 31st 0 10.9 lowest 0%
The Monument Airport 25.3 -2.4 31.3 2nd 8.2 -3.6 2.0 31st 0 7.5 v low 0%
Trepell Airport 25.6 -2.8 31.0 2nd 8.7 -4.4 2.9 26th 0.2 7.8 average 3%
Urandangi 26.9 -0.6 31.5 22nd 7.6 -4.4 2.0 12th 0 12.3 lowest 0%
Winton Airport 26.4   31.9 2nd 9.6   3.1 12th 0 15.8 v low 0%
Winton Post Office 25.8 -2.0 30.9 2nd 10.7 -2.3 4.2 26th 0.4 20.2 low 2%
Lower Western (district 38)
Bedourie Police Station 23.6 -3.0 30.9 22nd 10.5 -1.1 4.0 31st 1.2 11.2 average 11%
Birdsville Airport 23.3 -2.5 29.4 21st     3.4 28th 0.6 7.4 average 8%
Boulia Airport 25.4 -1.3 31.6 2nd 10.3 -2.2 3.9 27th 0 12.9 lowest 0%
Windorah Post Office 23.8 -1.6 30.5 2nd 8.1 -3.2 1.7 26th 4.8 18.6 average 26%
Port Curtis South Coast (district 39)
Baralaba Post Office 24.6 -2.0 29.3 3rd 10.6 -1.7 4.5 26th 54.8 41.6 high 132%
Bundaberg Aero 23.8 -0.9 27.9 2nd 12.7 -1.5 6.8 12th 52.8 70.0 average 75%
Gayndah Airport 23.7   27.8 2nd 9.5   3.5 12th 58.0 33.4 v high 174%
Gladstone Airport 24.4 -1.3 27.4 3rd 13.7 -1.8 8.7 27th 33.8 34.6 average 98%
Gladstone Radar 24.5 -1.2 28.1 2nd 15.1 -1.9 9.4 26th 30.6 58.1 average 53%
Lady Elliot Island 23.2 -0.9 26.3 3rd 18.2 -1.4 15.1 25th 94.8 116.3 average 82%
Monto Township 22.9 -1.3 27.2 3rd 8.1 -2.0 2.0 28th 35.5 45.1 average 79%
Rockhampton Aero 24.7 -1.3 28.9 2nd 12.5 -1.7 5.6 28th 18.6 46.8 average 40%
Rundle Island 22.6 -0.9 26.3 2nd 17.8 -1.6 12.8 26th
Sandy Cape Lighthouse 22.7 -1.4 25.8 3rd 16.3 -1.2 13.0 27th 87.6 117.8 average 74%
Seventeen Seventy 22.8 -1.4 26.5 3rd 15.5 -1.5 10.0 25th 83.6 105.9 average 79%
Thangool Airport 23.6 -2.9 27.7 2nd 7.4 -2.6 1.3 26th 52.6 40.0 high 132%
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%
Beaudesert Drumley Street 22.6   26.7 2nd 8.2   2.8 13th 67.8
Beerburrum Forest Station 22.9 -1.2 27.2 2nd 11.5 -1.2 6.7 12th 81.0 123.6 average 66%
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%
Cape Moreton Lighthouse 21.1 -0.6 24.7 3rd 15.5 -0.9 11.7 25th 127.8 170.7 average 75%
Coolangatta 22.3 -0.8 25.1 1st 12.2 -1.9 5.8 12th 89.2 148.2 average 60%
Double Island Point Lighthouse 21.3 -1.0 27.3 3rd 16.0 -1.3 10.8 25th 136.8 147.3 average 93%
Gold Coast Seaway 22.8 -0.6 26.3 1st 13.7 -1.7 9.9 13th 65.4 119.8 average 55%
Gympie 23.0 -1.5 27.3 3rd 9.9 -0.9 4.1 12th 67.2 71.9 average 93%
Hervey Bay Airport 23.4 -0.8 26.3 3rd 12.8 -1.3 6.9 12th 93.2 100.5 high 93%
Jimna Forestry 18.8 -1.9 22.9 2nd 8.1 -0.6 2.0 27th 80.0 50.6 high 158%
Kingaroy Airport 20.7 -2.0 25.3 3rd 6.5 -0.6 0.8 12th 70.8 32.8 v high 216%
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%
Maleny Tamarind St 20.2 -1.0 23.8 2nd 11.3 -0.5 8.0 25th 108.6 142.4 average 76%
Maryborough 23.8 -0.8 27.5 3rd 11.8 -1.3 5.1 12th 53.0 78.6 average 67%
Nambour DPI - Hillside 22.7   26.5 1st 12.2   6.7 12th 83.8
Point Lookout 22.9 -0.9 25.7 3rd 14.7 -2.2 10.9 25th 210.6 164.9 high 128%
Rainbow Beach 22.5 -1.2 25.5 3rd       214.0 167.4 high 128%
Redcliffe 21.9   26.0 1st 13.4   9.6 13th 73.4
Sunshine Coast Airport 22.6 -0.7 25.1 3rd 12.1 -1.6 6.3 12th 94.2 168.5 low 56%
Tewantin RSL Park 22.5 -1.1 25.6 3rd 13.1 -1.7 7.9 12th 126.8 171.2 average 74%
Toolara (Kelly) 22.3 -2.0 26.1 3rd 13.1 -1.4 8.3 25th 125.8 103.1 high 122%
University of Queensland Gatton 22.9 -0.8 27.1 1st 9.3 -0.9 4.3 15th 75.6 46.2 high 164%
East Darling Downs (district 41)
Applethorpe 16.2 -1.2 20.6 2nd 4.2 -2.0 -2.8 15th 60.6 51.0 average 119%
Dalby Airport 21.4 -1.9 26.8 2nd 6.6 -1.9 -1.4 15th 50.8 38.9 high 131%
Goondiwindi Airport 21.5 -1.8 27.6 2nd 7.4 -1.3 1.6 15th 27.4 38.6 average 71%
Inglewood Forest 20.9 -1.7 26.6 2nd 7.9 -1.1 1.9 15th 40.6 33.3 average 122%
Oakey Aero 21.3 -1.0 26.7 2nd 5.7 -2.3 -1.4 15th 57.4 40.8 high 141%
Stanthorpe Leslie Parade 17.3 -1.1 22.4 2nd 4.2 -1.2 -2.0 15th 57.7 47.0 average 123%
Texas Post Office 20.8 -2.3 25.8 2nd 7.1 -0.9 1.2 15th 29.9 39.7 average 75%
Toowoomba Airport 18.2 -1.7 23.1 2nd 8.5 -1.5 3.5 15th 69.6 35.9 high 194%
Warwick 19.6 -1.6 24.7 1st 6.0 -0.9 0.1 15th 69.6 41.6 high 167%
West Darling Downs (district 42)
Miles Constance Street 21.7 -2.3 27.4 2nd 6.7 -1.3 1.0 15th 27.6 23.0 high 120%
Maranoa (district 43)
Injune Post Office 21.2 -2.3 27.1 2nd 5.3 -2.5 0.0 27th 36.0 33.3 average 108%
Mitchell Post Office 21.7 -1.4 27.8 2nd 4.8 -2.3 -1.5 16th 24.2 32.5 average 74%
Roma Airport 21.4 -2.4 27.6 2nd 5.2 -2.8 -0.4 15th 29.6 36.4 average 81%
St George Airport 22.0 -1.2 28.6 2nd 6.9 -2.0 1.1 16th 15.4 28.2 average 55%
Surat 21.6 -2.0 27.7 1st 6.3 -2.6 -0.2 16th 24.7 34.4 average 72%
Warrego (district 44)
Bollon Mary St 22.6 -0.4 29.5 2nd 6.3 -2.4 -1.0 16th 10.6 32.5 average 33%
Charleville Aero 21.9 -1.3 28.0 2nd 5.8 -3.1 -0.7 27th 10.0 31.6 low 32%
Cunnamulla Post Office 22.4 -0.5 28.3 1st 8.3 -1.5 2.9 27th 8.2 30.0 average 27%
Far Southwest (district 45)
Ballera Gas Field 22.2   29.3 22nd     2.4 27th 0.2 8.0 low 3%
Quilpie Airport 23.0 -1.0 30.0 20th 8.0 -2.9 1.6 16th 7.3 26.9 average 27%
Thargomindah Airport 22.3 -1.6 28.7 1st 7.8 -3.2 2.0 27th 3.4 15.6 average 22%
Offshore Islands (district 200)
Middle Percy Island 21.9   25.3 3rd 17.5   13.1 26th 101.2 81.5 high 124%
Willis Island 27.2 -0.5 29.2 24th 23.6 -0.2 21.3 27th 0 73.0 lowest 0%

Notes

A Monthly Climate Summary is prepared to list the main features of the weather in Queensland 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.

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