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Queensland in January 2021: Tropical cyclones generate heavy rainfall in the north

Tropical cyclones and tropical lows resulted in above average January rainfall in the north. Areas of the Maranoa and northern Darling Downs also had above average rainfall.

Mean maximum temperatures were slightly cooler than average, and the coolest since 2011. Mean minimum temperatures were slightly above average and the coolest since 2012.

Tropical cyclones and lows in the north

  • Rainfall was above average in the north, and parts of the Maranoa and Darling Downs.
  • Tropical cyclone Imogen brought moderate to heavy falls to the Gulf Country, Cape York Peninsula and north tropical coast at the start of the month, crossing the coast near Karumba in the Gulf Country on the 3rd.
  • A few sites, including Sweers Island and Normanton Airport, reported their highest January daily rainfall on record.
  • The remnants of ex-tropical cyclone Imogen moved over the northern interior, and stalled around the north tropical coast, generating further heavy falls in the northern tropics.
  • A surface trough over western and southern Queensland triggered thunderstorms and moderate falls in central and southern inland districts from the 3rd to the 8th.
  • Showers and thunderstorms contracted to the east from the 8th, and brought moderate falls to much of eastern Queensland, including the northern tropics, until the 10th.
  • Tropical cyclone Kimi developed off the coast of Cairns on the 17th, and while the system did not make landfall, moderate to heavy falls were recorded around the north tropical coast and Cape York Peninsula for several days.
  • Thunderstorms produced moderate falls over the central and southern interior on the 22nd and 23rd.
  • At the end of the month, the monsoon trough and a low was located across the Cape York Peninsula producing moderate to heavy falls in far northern Queensland.
  • A few sites had their highest total January rainfall on record, or their highest total January rainfall for at least 20 years

Temperatures close to average

  • Queensland's mean temperature was 0.43 °C above the long-term average, and the coolest since 2012.
  • Queensland's mean maximum temperature was slightly above average, at 0.02 °C below the long-term average. It was the coolest since 2011.
  • Mean maximum temperatures were cooler than usual in a swathe from the southern Cape York Peninsula, the north tropical coast, down to southern inland districts, but close to average elsewhere in the state.
  • Maximum temperatures were very cool on the 8th and 9th across southern inland Queensland, and a number of sites had their coldest January day (lowest maximum temperature) on record.
  • Queensland's mean minimum temperature was 0.83 °C above the long-term average, and the coolest since 2012.
  • Mean minimum temperatures were warmer than average in western and far northern Queensland. Areas in the northern Cape York Peninsula and the Gulf Country were in much warmer than usual.
  • A few sites had their lowest January mean daily maximum temperature on record
  • ,or their lowest January mean daily maximum temperature for at least 20 years.

Tropical cyclones, flooding and severe thunderstorms

  • Tropical cyclone Imogen formed in the Gulf of Carpentaria on the evening of the 3rd. It was the first tropical cyclone in the 2020-21 season in the Australian Region. Ex-tropical cyclone Imogen weakened after crossing the coast and moved slowly eastwards across northern Queensland.
  • Heavy falls were localised around the north tropical to central coasts on the 10th and 11th, with major flooding on the Herbert and Lower Burdekin rivers and moderate flooding in some Gulf and western catchments.
  • A low pressure system intensified off the north tropical coast and developed into a category 1 system and was named tropical cyclone Kimi on the 17th. The system tracked southwards, then stalled near the coast and weakened without making landfall before turning north and moved nearly parallel to the coast.
  • Widespread thunderstorms activity brought heavy falls to south-east Queensland on the 18th. Flash flooding occurred in and around suburbs of Alexandra Hills, Birkdale, Thornside, Capalaba, Upper Coomera, Willow Vale and Ormeau Hills. Redland (Alexandra Hills) reported 120 mm in one hour. The SES had around 205 requests for assistance, mainly around flash flooding. QFES responded to 12 swift water rescue incidents, mainly for vehicles driving through flooded roads.
  • A tornado was observed west of Mareeba on the 18th as thunderstorms interacted with strong wind shear created by tropical cyclone Kimi.

Further information

Media
(03) 9669 4057

Extremes in January 2021
Hottest day 44.0 °C at Birdsville Airport on the 23rd
44.0 °C at Birdsville Airport on the 24th
Warmest days on average 40.2 °C at Birdsville Airport
Coolest days on average 26.1 °C at Applethorpe
Coldest day 17.3 °C at Toowoomba Airport on the 8th
Coldest night 9.6 °C at Applethorpe on the 24th
Coolest nights on average 14.7 °C at Applethorpe
Warmest nights on average 27.0 °C at Sweers Island
Warmest night 32.6 °C at Windorah Airport on the 27th
Warmest on average overall 33.1 °C at Birdsville Airport
Coolest on average overall 20.4 °C at Applethorpe
Wettest overall 1223.5 mm at Tully Sugar Mill
Wettest day 303.2 mm at Ingham Composite on the 6th
Strongest wind gust 130 km/h at Sweers Island on the 3rd

Maps
ObservedAnomalyDecile rank
Total
rainfall
Map of Rainfall totals Map of Percentage of normal rainfall Map of Rainfall deciles
Mean
daily
maximum
temperatures
Map of Mean maximum temperature Map of Anomaly in mean maximum temperature Map of Decile rank of mean maximum temperature
Mean
daily
minimum
temperatures
Map of Mean minimum temperature Map of Anomaly in mean minimum temperature Map of Decile rank of mean minimum temperature

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


Record highest January daily rainfall
New record
(mm)
Old
record
Years of
record
Namarah 136.6 on the 4th 105.0 on the 8th in 1974 49
Craigs Pocket Station 138.4 on the 5th 118.2 on the 1st in 2001 48
Sweers Island 223.0 on the 4th 213.0 on the 19th in 2013 24
Normanton Airport 262.6 on the 4th 154.4 on the 28th in 2020 20



Record highest January total rainfall
New record
(mm)
Old
record
Years of
record
Average for
January
Namarah 264.4 243.6 in 1974 56 76.4
Hamilton Island 758.3 651.1 in 1991 31 273.2

Highest January total rainfall for at least 20 years
Observed
(mm)
Most recent
higher
Average for
January
Burdekin Shire Council 638.4 954.4 in 1974* 257.5
Bingil Bay 1112.6 2491.4 in 1981* 495.2
Willis Island 383.8 423.6 in 1999* 193.9

* note: there are gaps in the historical record at this site, so it is possible a higher value has gone unreported




Record lowest January daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
January
Injune Post Office 20.6 on the 8th 21.7 on the 11th in 2008 54 33.8
Oakey Aero 21.0 on the 8th 21.2 on the 13th in 1983 48 31.1
Dalby Airport 21.3 on the 8th 22.2 on the 16th in 2016 30 32.7
Emerald Airport 22.7 on the 9th 23.1 on the 31st in 2014 29 34.6
Brisbane Aero 22.9 on the 8th 23.1 on the 24th in 2012 27 29.2
Tewantin RSL Park 22.9 on the 8th 23.1 on the 16th in 2012 26 28.7
Toowoomba Airport 17.3 on the 8th 18.6 on the 3rd in 2007 25 28.5
Miles Constance Street 20.3 on the 8th 23.0 on the 1st in 1999 24 34.0
Beerburrum Forest Station 21.2 on the 8th 21.7 on the 16th in 2012 22 30.5
Point Lookout 22.9 on the 8th 23.5 on the 13th in 2000 22 29.6
Kingaroy Airport 19.8 on the 8th 20.5 on the 16th in 2012 21 31.1



Record lowest January mean daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
January
Alva Beach 29.5 30.1 in 2009 23 31.1

Lowest January mean daily maximum temperature for at least 20 years
Observed
(°C)
Most recent
lower
Average for
January
South Johnstone Exp Stn 30.2 29.7 in 1993* 31.2
Ayr DPI Research Stn 30.4 30.2 in 1993* 31.8
Horn Island 30.1 29.9 in 1997 30.9
Rundle Island 27.1 27.0 in 1997 28.3
Mackay Aero 29.4 29.0 in 2001 30.4

* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported




Record lowest January mean temperature
New record
(°C)
Old
record
Years of
record
Average for
January
Alva Beach 26.7 27.1 in 2009 23 28.0

Lowest January mean temperature for at least 20 years
Observed
(°C)
Most recent
lower
Average for
January
Mackay Aero 26.2 25.0 in 2001 26.8



Summary statistics for January 2021
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
January
2021
Diff
from
average
Highest for
January
2021
Mean for
January
2021
Diff
from
average
Lowest for
January
2021
Total for
January
2021
Average
for
January
Rank of
January
2021
Fraction of
January
average
North Peninsula (district 27)
Coen Airport 32.0 -0.7 35.1 9th 24.1 +0.3 22.8 16th 550.4 308.5 v high 178%
Horn Island 30.1 -0.8 32.6 9th 25.1 -0.1 23.4 31st 671.4 407.5 v high 165%
Scherger RAAF 31.7 -0.6 34.4 17th 24.5 +0.3 23.3 20th 614.2 520.3 average 118%
Weipa Aero 31.2 -0.8 33.8 17th 24.8 +0.5 23.7 22nd 593.0 486.1 high 122%
South Peninsula (district 28)
Lockhart River Airport 31.9 +0.1 34.8 10th     23.2 31st 690.8 404.4 v high 171%
Palmerville 32.9 -0.5 35.5 8th 23.5 +0.5 20.7 24th 291.8 264.5 average 110%
Lower Carpentaria (district 29)
Burketown Airport 34.9 +0.4 37.7 6th 25.7 +0.3 22.9 4th 194.4 236.5 average 82%
Century Mine 38.1 +1.3 41.1 17th 25.9 +0.9 22.9 14th 73.4 167.6 average 44%
Cloncurry Airport 37.9 +0.9 41.3 31st 26.1 +1.1 22.6 1st 39.4 156.9 low 25%
Julia Creek Airport 38.5 +0.8 41.6 31st 25.0 +0.9 21.5 15th 13.6 124.1 v low 11%
Kowanyama Airport 32.8 -0.3 35.3 17th 25.0 +0.6 23.1 15th 424.4 339.1 high 125%
Lake Julius AWS 37.9   41.1 19th 26.1   21.7 23rd 77.6
Mornington Island Airport 32.8   35.0 10th 26.1   23.4 4th 259.4
Mount Isa Aero 37.9 +1.3 40.4 31st 25.2 +1.4 22.3 15th 9.0 114.2 low 8%
Normanton Airport 34.7 +0.7 37.8 30th 25.8 +0.5 21.6 4th 330.6 256.4 high 129%
Sweers Island 32.7 +0.2 37.0 31st 27.0 +0.5 21.5 4th 481.5 331.2 high 145%
Upper Carpentaria (district 30)
Georgetown Airport 33.7 -0.4 36.7 30th 22.8 -0.7 18.8 16th 295.4 244.8 high 121%
Hughenden Airport 36.1 +0.2 39.4 16th 23.6 -0.2 21.2 16th 6.0 112.7 lowest 5%
Richmond Airport 37.3 +0.3 40.3 31st 23.9 +0.2 19.5 15th 10.8 122.7 v low 9%
Barron North Coast (district 31)
Cairns Aero 31.0 -0.5 33.2 19th 24.0 +0.3 21.4 25th 608.0 402.7 high 151%
Cairns Racecourse 31.2   33.5 27th 23.8   20.3 25th 721.6
Cape Flattery 31.6 -0.6 34.0 9th 25.1 +0.4 23.3 9th 281.6 261.9 average 108%
Cooktown Airport 31.3 -0.7 35.5 7th 24.4 0.0 22.3 31st 241.4 303.3 average 80%
Low Isles Lighthouse 30.7 -1.5 34.7 7th 25.5 0.0 23.5 9th 696.2 401.9 high 173%
Mareeba Airport 30.0 -1.3 33.7 8th 21.8 +0.4 18.8 22nd 393.2 218.5 v high 180%
Walkamin Research Station 28.9 -1.2 32.4 8th 20.7 +0.4 17.4 25th 324.6 223.7 high 145%
Herbert North Coast (district 32)
Cardwell Marine Pde 29.9 -1.6 32.2 28th 23.3 +0.3 20.4 18th 915.8 441.3 v high 208%
Cowley Beach (Defence) 30.2   32.2 27th 23.8   21.1 25th 895.4
Innisfail Aerodrome 30.4   32.7 8th 23.0   19.6 23rd
Lucinda Point 29.2 -0.9 31.5 7th 24.7 -0.7 23.4 4th
Mount Stuart (Defence) 30.5   33.1 30th 23.1   21.8 16th 281.6
South Johnstone Exp Stn 30.2 -1.0 32.7 8th 23.3 +0.7 20.8 23rd 852.4 528.5 high 161%
Townsville Aero 30.7 -0.8 33.1 7th 24.2 -0.1 22.2 24th
Townsville- Air Weapons Range (Defence) 30.3   32.9 16th 21.8   19.5 17th 360.8
East Central Coast (district 33)
Alva Beach 29.5 -1.6 31.1 29th 24.0 -0.8 21.8 15th 482.0 258.8 v high 186%
Ayr DPI Research Stn 30.4 -1.4 32.6 31st 23.1 +0.3 20.7 15th 433.6 224.7 high 193%
Bowen Airport AWS 30.2   33.4 30th 23.4   20.1 16th 217.8
Collinsville Post Office 32.4 -1.1 34.9 30th 21.7 -0.3 18.2 24th 83.4 134.5 average 62%
Hamilton Island Airport 28.6 -1.3 30.1 27th 24.5 -0.3 23.1 20th 400.4 285.2 high 140%
Mackay Aero 29.4 -1.0 30.9 20th 23.0 -0.1 20.3 16th 325.8 306.4 high 106%
Mackay M.O 29.6 -0.6 31.1 31st 23.5 -0.1 21.1 10th 347.6 276.6 high 126%
Ooralea Racecourse (Mackay Turf Club) 29.3   31.0 27th 22.7   19.9 16th
Proserpine Airport 29.7 -1.9 31.8 3rd 22.8 +0.2 20.4 16th 418.6 296.9 high 141%
Samuel Hill Aero 29.7 -1.2 32.5 7th 21.6 +0.1 17.7 15th 134.8 188.8 average 71%
St Lawrence 31.2 -0.6 33.1 30th 22.4 -0.6 20.2 24th 107.0 187.3 low 57%
Townsville- Fanning River (Defence) 30.6   33.3 26th 21.6   18.9 16th 63.6
Williamson 31.2 -0.4 33.8 27th 22.3 -0.7 18.9 15th 13.2 139.1 v low 9%
Woolshed 27.5 -1.2 29.3 30th 20.9 +0.1 18.7 15th 414.6 280.0 high 148%
Yeppoon The Esplanade 28.7 -0.7 30.5 7th 24.1 +0.1 21.3 16th 56.0 115.8 low 48%
West Central Coast (district 34)
Charters Towers Airport 31.7 -2.2 34.7 31st 22.4 0.0 20.0 24th 223.6 154.3 high 145%
Moranbah Airport 32.7   35.6 27th 21.2   18.6 24th 124.4
Central Highlands (district 35)
Blackwater Airport 33.5   37.3 27th 21.4   19.3 24th 52.4
Clermont Airport 32.8 -1.7 37.0 27th 21.6 0.0 18.6 15th 77.8 91.1 average 85%
Emerald Airport 33.9 -0.7 38.3 27th 22.1 -0.2 19.1 10th 49.6 83.0 average 60%
Lochington 32.9 -2.3 36.7 16th 21.5 -0.4 18.5 10th 88.0 96.5 average 91%
Rolleston Airport 32.7   38.6 6th 20.9 -0.5 18.0 10th 144.4 107.0 high 135%
Springsure Comet St 32.7 -1.3 37.9 16th 20.3 -0.6 17.4 26th 119.6 110.6 average 108%
Tambo Post Office 34.3 -0.7 37.2 26th 21.1 +0.6 17.2 14th 73.8 79.2 average 93%
Taroom Post Office 33.9 0.0 39.3 6th 20.6 -0.2 17.4 24th 41.8 97.1 low 43%
Central Lowlands (district 36)
Barcaldine Post Office 34.3 -1.4 37.9 16th 23.8 +0.5 20.0 10th 36.9 84.2 average 44%
Blackall Airport 35.5 -0.9 39.5 27th 22.6 -0.7 19.4 14th 34.2 85.2 average 40%
Isisford Post Office 36.0 -1.0 39.3 15th 23.3 +0.1 18.6 12th 82.6 69.6 average 119%
Longreach Aero 36.8 -0.4 40.9 27th 23.7 +0.4 20.5 10th 35.2 76.0 average 46%
Upper Western (district 37)
Camooweal Township 38.1 +0.8 40.9 19th 25.6 +1.2 22.1 17th 32.8 98.4 low 33%
Carters Bore 37.6   40.4 19th 25.6   23.3 4th 17.0
New May Downs 37.4   40.0 31st 25.5   23.0 2nd 25.0
The Monument Airport 38.9 +1.0 42.0 15th 25.4 +0.6 22.2 4th 11.4 60.2 low 19%
Trepell Airport 39.1 +1.3 42.1 15th 25.4 +0.7 22.7 17th 13.2 93.7 low 14%
Urandangi Aerodrome 39.1   42.3 31st 25.5   20.8 9th 37.0
Winton Airport 37.8 -0.2 41.5 26th 24.2 -0.3 20.8 15th 50.0 80.2 average 62%
Lower Western (district 38)
Bedourie 39.8 +0.2 42.9 26th 25.9 +0.6 21.1 18th 16.2 32.2 average 50%
Birdsville Airport 40.2 -0.5 44.0 24th 26.0 -0.7 16.3 18th 1.8 22.5 low 8%
Boulia Airport       26.6 +1.9 22.6 17th 11.8 47.3 average 25%
Windorah Airport 38.6   42.8 27th 26.5   20.3 10th 15.8
Port Curtis South Coast (district 39)
Bundaberg Aero 30.3 -0.1 32.9 6th 20.8 -0.7 17.9 22nd 41.8 168.9 v low 25%
Gayndah Airport 32.3 -1.6 38.1 6th 19.7 -1.1 16.4 22nd 45.8 81.4 average 56%
Gladstone Airport 30.6 -0.2 32.5 7th 22.7 -0.4 20.3 14th 34.2 139.2 low 25%
Gladstone Radar 31.3 -0.1 33.6 19th 22.6 0.0 20.5 10th 5.6 145.6 v low 4%
Lady Elliot Island 30.0 +0.7 31.5 18th 24.3 +0.3 22.5 10th 28.8 116.4 low 25%
Rockhampton Aero 32.0 0.0 35.7 16th 22.7 +0.5 19.7 16th 31.6 127.6 v low 25%
Rundle Island 27.1 -1.2 29.1 15th 24.2 -0.3 21.0 25th
Sandy Cape Lighthouse 29.3 -0.1 32.2 5th 22.8 +0.4 20.6 9th 53.3 160.9 low 33%
Thangool Airport 33.6 -0.2 37.2 27th 19.0 -0.8 15.5 22nd 32.8 95.2 low 34%
Moreton South Coast (district 40)
Amberley AMO 30.4 -0.8 36.0 6th 19.2 -0.4 14.5 24th 152.6 115.7 high 132%
Archerfield Airport 30.1 -0.4 34.5 16th 20.2 -0.2 14.7 12th 60.6 134.9 low 45%
Beaudesert Drumley Street 30.0 -1.6 35.8 5th 18.7 -0.7 14.9 11th 173.8 145.0 average 120%
Beerburrum Forest Station 29.0 -1.5 35.0 16th 19.3 -0.5 16.3 22nd 198.8 195.6 average 102%
Brisbane 29.9 -0.6 35.3 16th 21.3 -0.4 18.5 12th 86.6 138.1 average 63%
Brisbane Aero 28.6 -0.6 31.9 16th 21.1 -0.3 18.0 12th 81.6 124.7 average 65%
Canungra (Defence) 28.5   33.6 5th 17.7   13.1 12th 153.0
Cape Moreton Lighthouse 28.0 +1.0 30.0 6th 22.0 0.0 19.5 9th 193.8 146.6 high 132%
Coolangatta 28.2 -0.3 31.4 16th 20.3 -0.7 16.2 22nd 116.6 159.0 average 73%
Double Island Point Lighthouse 28.6 +0.6 32.6 6th 22.4 0.0 20.0 20th 35.4 159.3 v low 22%
Gold Coast Seaway 28.2 -0.7 32.1 16th 21.6 -0.3 19.1 22nd 114.0 135.9 average 84%
Greenbank (Defence) 30.4   36.1 5th 18.6   14.3 24th 64.6
Gympie 29.8 -1.5 36.3 16th 19.1 -0.5 15.3 15th 15.2 160.6 v low 9%
Hervey Bay Airport 29.8 -0.5 32.7 6th 21.0 -1.0 17.2 22nd 44.8 126.2 low 35%
Kingaroy Airport 29.5 -1.6 35.4 6th 17.1 -0.9 13.1 22nd 78.6 87.1 average 90%
Logan City Water Treatment Plant 28.9 -1.0 33.0 16th 20.7 0.0 17.1 12th 93.9 126.8 average 74%
Maryborough 30.6 -0.2 34.9 6th 19.9 -0.7 16.5 22nd 52.4 161.5 low 32%
Nambour Daff - Hillside 28.1 -1.5 33.9 16th 19.8 -0.8 16.5 22nd 144.6 231.7 average 62%
Rainbow Beach 28.3 -0.6 30.7 6th       120.2 159.0 average 76%
Redcliffe 28.3 -0.9 31.1 6th 21.5 -0.8 18.9 9th 115.8 137.5 average 84%
Redland (Alexandra Hills) 28.1   30.6 16th 20.4   17.4 22nd 245.6
Sunshine Coast Airport 28.3 -0.8 30.4 16th 20.9 -0.4 17.3 22nd 144.0 144.8 average 99%
Tewantin RSL Park 28.0 -0.7 31.2 6th 21.4 -0.6 18.6 22nd 159.0 140.4 average 113%
Tin Can Bay (Defence) 29.1   32.7 6th 20.5   17.3 22nd 97.6
University of Queensland Gatton 31.7 0.0 38.1 16th 18.8 -0.3 14.3 24th 85.6 109.5 average 78%
East Darling Downs (district 41)
Applethorpe 26.1 -0.6 32.1 27th 14.7 -0.6 9.6 24th 55.8 96.2 average 58%
Dalby Airport 31.2 -1.5 36.2 15th 17.8 -1.1 14.8 12th 98.6 75.2 average 131%
Goondiwindi Airport 32.2   37.4 15th 19.3   13.2 17th 81.4
Oakey Aero 30.0 -1.1 36.3 6th 17.5 -0.5 12.2 24th 80.0 79.4 average 101%
Stanthorpe Leslie Parade 26.4 -1.1 32.2 15th 15.5 -0.1 11.4 24th 69.8 96.3 average 72%
Texas Post Office 32.3 -1.6 37.9 27th 18.3 -0.5 15.3 12th 132.8 88.9 high 149%
Toowoomba Airport 26.7 -1.8 31.6 6th 17.1 -0.6 14.5 9th 94.0 90.6 high 104%
West Darling Downs (district 42)
Miles Constance Street 32.2 -1.8 36.2 26th 19.3 -1.3 14.0 17th 111.6 68.3 high 163%
Maranoa (district 43)
Injune Post Office 32.1 -1.7 36.8 15th 19.4 -0.4 15.4 24th 80.2 86.4 average 93%
Mitchell Post Office 33.1 -1.1 37.7 27th 19.5 -0.6 14.0 17th 114.4 80.6 high 142%
Roma Airport 32.7 -1.9 38.0 27th 19.6 -1.5 14.2 17th 77.2 68.4 average 113%
St George Airport 33.3 -2.0 39.2 15th 21.0 -1.4 12.9 17th 52.8 49.1 average 108%
Surat 31.9 -2.4 37.0 27th 20.5 -0.4 13.6 17th 107.8 71.1 high 152%
Warrego (district 44)
Bollon Mary St 34.6 -1.0 41.2 27th 22.0 +0.3 14.3 17th 125.5 63.3 high 198%
Charleville Aero 35.0 -0.2 40.3 27th 22.2 +0.3 17.3 19th 32.4 72.2 average 45%
Cunnamulla Post Office 35.6 -0.6 42.1 27th 22.8 +0.4 15.9 17th 43.8 47.3 average 93%
Far Southwest (district 45)
Ballera Gas Field 39.0 -0.8 43.3 14th 25.3 -0.8 19.7 17th 3.8 26.7 low 14%
Thargomindah Airport 37.9 -0.9 43.8 27th 25.0 -1.0 19.7 17th 14.6 33.5 average 44%
Offshore Islands (district 200)
Bougainville Reef 29.7   33.2 8th 25.9   24.1 29th
Cato Island 27.0   28.6 7th 24.6   22.5 24th
Creal Reef 27.8   28.2 18th 25.6   23.0 2nd
Flinders Reef 28.7   30.9 10th 25.4   21.4 19th
Frederick Reef 27.6   28.5 8th 25.4   22.9 29th
Gannet Cay 27.6   30.4 6th 25.2   22.1 26th
Holmes Reef 29.8   32.3 2nd 26.1   24.1 29th
Marion Reef 28.9   33.0 6th 25.9   23.6 24th
Middle Percy Island 27.7 -1.0 29.1 26th 23.1 -0.3 21.1 25th 153.0 178.6 average 86%
Willis Island 31.1 +0.4 32.4 6th 26.2 +0.5 23.2 22nd 383.8 193.9 high 198%

Notes

The Monthly climate summary, generally published on the first working day of each month, lists 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. More extensive discussion of significant weather events, along with later information and data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review.

This statement has been prepared based on information available at 9 am on Monday 1 February 2021. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

In some situations, some or all of the rainfall is in the form of hail or snow. In these cases the totals given are for the water equivalent: the depth of liquid water that results from melting any frozen precipitation. There can be significant 'undercatch' of snow in strong winds, meaning the true precipitation can be higher than that reported.

Averages for individual sites 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 10 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.

Where temperature area averages are mentioned, they are derived from the ACORN-SAT dataset.

Further information

Media
(03) 9669 4057

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