Friday, 31 August 2012 - Seasonal Climate Summary for South Australia - Product code IDCKGC23R0
South Australia in winter 2012: Drier than average for most, with cold nights.
- Below average winter rainfall in the west, slightly above average in the east.
- Near average daytime temperatures, but record coldest winter nights for some parts of the pastoral districts.
Extremes Maps Records Summaries Important notes the top
Rainfall
Winter 2012 rainfall was below average across the State as a whole, with parts of the northwest pastoral being very much below average. Average rainfall was observed across most of the eastern half of the State, with some parts in the far northeast and southeast observing above average winter rainfall. Rainfall totals were above average across parts of the coastal and agricultural districts in June, tending to very much above average in parts of the far northeast of the state. The northwest pastoral saw very much below average rainfall through June. Drier than normal conditions persisted through July for the western half of the state, while average to above average rainfall conditions remained in place for eastern districts. Drier conditions continued across the western districts and extended into the eastern half of the state through the rest of winter, with all but the southeast coastal areas seeing below average August rainfall.
The most significant rainfall event for winter occurred on June 21st and 22nd. A number of locations around the Mount Lofty Ranges observed record highest winter daily rainfall totals on these days as cold frontal system and an associated cloud band brought widespread heavy rainfall to southern parts of the state. Wirrabara Forest observed the wettest winter day on June 22nd, reporting a 24 hour total of 72.6mm.
Pastoral Districts
Rainfall totals for winter as a whole were well below average across the western pastorals tending to above average across the eastern pastoral. Rainfall totals ranged from around 20 to 60mm in the Northeast and Upper North while totals generally ranged between 10 and 20mm in the Northwest. Yardea had the highest winter rainfall total, in the far south of the northwest pastorals with 77.2 mm, the driest winter there since 2008, and below the average for that location for winter of 97.9mm.
Agricultural Districts
Rainfall totals in the agricultural districts were average, tending to above average about coastal parts in the southeast of the state, though mostly below average across western agricultural districts. Rainfall totals in the agricultural areas generally ranged from 100 to 180 mm in the Western Agricultural and Upper North districts, increasing to 200 to 300 mm about coastal locations and the Mount Lofty ranges. The wettest location overall in the agricultural districts was at Bridgewater in the Mount Lofty ranges with a winter rainfall total of 490.3 mm.
Some sites had their highest total winter rainfall on record. Some sites had their highest total winter rainfall for at least 25 years. Some sites had their lowest total winter rainfall for at least 25 years. Some sites had their highest winter daily rainfall on record. See a map of rainfall deciles.Temperature
The mean temperature (the average of the maximum and minimum temperatures) for South Australia as a whole in winter 2012 was 0.2 °C below the long-term average, the coldest winter for the state since 2010. By contrast winter 2011 was 1.0 °C warmer than average.
Maximum
Maximum temperatures were near the long term average across South Australia as a whole for winter 2012. Maximum temperatures were below average across most of South Australia through June but tended warmer than average for eastern parts of the state through July. The end of winter saw daytime temperatures over South Australia generally above average, apart from the southeast coastal districts; several locations were up 1.4 °C above the August average across the northwest parts of the state.
Average maximum temperatures ranged from 9.5°C at Mount Lofty to 20.7°C at Moomba Airport and Oodnadatta Airport in the Far North. The hottest winter day in 2012 was on August 22nd with 34.3°C at Moomba Airport, the warmest winter day there since 2009. The coldest day in winter 2012 in South Australia was 5.0°C recorded at Mount Lofty on August 23rd.
See a map of maximum temperature anomalies.
Minimum
Overnight minimum temperatures through winter 2012 across South Australia have been the coolest since 1997. Averaged across the State as a whole, minimum temperatures were 0.8 °C colder than normal. Agricultural areas saw near average night-time temperatures, but otherwise it was in excess of 3 °C colder than average for much of the state.
Apart from a few coastal locations, June minimum temperatures were very much below average across most parts of South Australia. Cool night time conditions continued into July with some parts of the state reporting lowest July minimum temperatures on record. Below minimum temperatures persisted through to the end of winter where, mean minimum temperatures were widely below average across South Australia.
Winter average minimum temperatures ranged from 2.5°C at Marla Police Station, Yongala and Yunta Airstrip to 11.6°C at Neptune Island. The lowest recorded minimum temperature through winter was -7.5°C at Yunta Airstrip on July 6th; the warmest night was 16.8 °C at Moomba Airport on August 23rd. Marla Police station observed its record lowest winter temperature of -5.0°C on July 7th, and Leigh Creek Airport and Nullarbor observed record lowest winter mean daily minimum temperatures; respectively observing an average minimum of 3.9°C and 4.7°C.
Some sites had their lowest winter temperature on record. Some sites had their lowest winter mean daily minimum temperature on record. Some sites had their lowest winter mean daily minimum temperature for at least 25 years. See a map of minimum temperature anomalies.Further information
- Media
- media@bom.gov.au (03) 9669 4057
- Enquiries
- helpdesk.climate@bom.gov.au
| Extremes in winter 2012 | |
|---|---|
| Hottest day | 34.3 °C at Moomba Airport on 22 Aug |
| Warmest days on average |
20.7 °C at Moomba Airport 20.7 °C at Oodnadatta Airport |
| Coolest days on average | 9.5 °C at Mount Lofty |
| Coldest day | 5.0 °C at Mount Lofty on 23 Aug |
| Coldest night | -7.5 °C at Yunta Airstrip on 6 Jul |
| Coolest nights on average |
2.5 °C at Marla Police Station 2.5 °C at Yongala 2.5 °C at Yunta Airstrip |
| Warmest nights on average | 11.6 °C at Neptune Island |
| Warmest night | 16.8 °C at Moomba Airport on 23 Aug |
| Warmest on average overall | 13.6 °C at Neptune Island |
| Coolest on average overall | 8.0 °C at Yongala |
| Wettest overall | 490.3 mm at Bridgewater |
| Driest overall | 0.2 mm at Ernabella (Pukatja) |
| Wettest day | 72.6 mm at Wirrabara Forest on 22 Jun |
| Highest wind gust | 107 km/h at Neptune Island on 13 Jun |
Extremes Maps Records Summaries Important notes the top
| Record highest winter daily rainfall | ||||||
|---|---|---|---|---|---|---|
|
Highest daily rainfall in winter 2012 (mm) |
Previous wettest for winter |
Years of record |
||||
| Belair (State Flora Nursery) | 70.4 | on 21 Jun | 63.8 | on 2 Jul 1986 | 125 | |
| Kalangadoo | 52.4 | on 22 Jun | 49.5 | on 13 Jul 1940 | 98 | |
| Blackwood (Wittunga) | 65.4 | on 21 Jun | 54.8 | on 27 Jun 2003 | 34 | |
| Laura (Beetaloo Reservoir) | 53.6 | on 22 Jun | 51.2 | on 15 Jun 1981 | 32 | |
| Adelaide (Clarence Gardens Bowling Club) | 55.0 | on 21 Jun | 39.6 | on 23 Jun 1981 | 31 | |
| Record highest total winter rainfall | |||||
|---|---|---|---|---|---|
|
Total rainfall for winter 2012 (mm) |
Previous wettest for winter |
Years of record |
Average for winter |
||
| Finniss | 359.0 | 353.0 | in 1981 | 99 | 188.6 |
| Highest total winter rainfall for at least 25 years | |||||
|---|---|---|---|---|---|
|
Total rainfall for winter 2012 (mm) |
Most recent winter at least this wet |
Years since wetter |
Average for winter |
||
| Port Elliot Caravan Park | 255.7 | 333.5 | in 1981* | 27 | 194.1 |
* note: there are gaps in the historical record at this site, so it is possible a higher value has gone unreported.
| Lowest total winter rainfall for at least 25 years | |||||
|---|---|---|---|---|---|
|
Total rainfall for winter 2012 (mm) |
Most recent winter at least this dry |
Years since drier |
Average for winter |
||
| Nonning | 18.3 | 13.4 | in 1914 | 98 | 77.3 |
| Nundroo | 38.8 | 32.2 | in 1977* | 34 | 128.6 |
| Mount Bryan | 84.2 | 60.0 | in 1982* | 27 | 162.9 |
* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported.
| Record lowest winter temperature | ||||||
|---|---|---|---|---|---|---|
|
Lowest temperature in winter 2012 (°C) |
Previous coolest for winter |
Years of record |
Average for winter |
|||
| Marla Police Station | -5.0 | on 7 Jul | -4.0 | on 21 Jun 2007 | 27 | 5.6 |
| Record lowest winter mean daily minimum temperature | |||||
|---|---|---|---|---|---|
|
Mean daily minimum temperature for winter 2012 (°C) |
Previous coolest for winter |
Years of record |
Average for winter |
||
| Leigh Creek Airport | 3.9 | 4.0 | in 1989 | 28 | 5.4 |
| Nullarbor | 4.7 | = 4.7 | in 1997 | 25 | 5.7 |
| Lowest winter mean daily minimum temperature for at least 25 years | |||||
|---|---|---|---|---|---|
|
Mean daily minimum temperature for winter 2012 (°C) |
Most recent winter at least this cool |
Years since cooler |
Average for winter |
||
| Woomera Aerodrome | 5.4 | 4.8 | in 1949 | 63 | 6.4 |
| Oodnadatta Airport | 4.9 | 4.4 | in 1976* | 26 | 6.6 |
* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported.
Extremes Maps Records Summaries Important notes the top
| Summary statistics for winter 2012 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperatures for winter (°C) |
Minimum temperatures for winter (°C) |
Rainfall for winter (millimetres) |
||||||||||
| Mean for winter 2012 |
Diff from average |
Highest for winter 2012 |
Mean for winter 2012 |
Diff from average |
Lowest for winter 2012 |
Total for winter 2012 |
Average for winter |
Rank of winter 2012 |
Fraction of winter average |
|||
| Northwest (district 16) | ||||||||||||
| Andamooka | 18.9 | -0.3 | 28.8 | 22 Aug | 5.9 | -0.8 | 0.6 | 17 Jul | 12.6 | 40.8 | low | 31% |
| Coober Pedy Airport | 19.1 | 32.6 | 28 Aug | 5.7 | 1.3 | 1 Aug | 0.4 | |||||
| Ernabella (Pukatja) | 19.1 | 30.4 | 28 Aug | 4.0 | -4.2 | 8 Jul | 0.2 | |||||
| Marla Police Station | 20.3 | -0.3 | 33.8 | 28 Aug | 2.5 | -3.1 | -5.0 | 7 Jul | 3.6 | 35.8 | v low | 10% |
| Roxby Downs (Olympic Dam Aerodrome) | 18.9 | 28.8 | 22 Aug | 2.7 | -4.0 | 1 Aug | 13.4 | |||||
| Tarcoola Aero | 19.4 | 32.7 | 28 Aug | 3.6 | -2.3 | 19 Jul | 13.8 | |||||
| Woomera Aerodrome | 17.8 | +0.1 | 27.8 | 22 Aug | 5.4 | -1.0 | 0.9 | 23 Jun | 13.4 | 44.3 | v low | 30% |
| Far North (district 17) | ||||||||||||
| Arkaroola | 17.3 | -0.2 | 28.0 | 22 Aug | 3.3 | -0.8 | -2.9 | 2 Aug | 61.6 | 44.4 | high | 139% |
| Leigh Creek Airport | 17.7 | +0.1 | 27.8 | 22 Aug | 3.9 | -1.5 | -1.2 | 23 Jun | 18.4 | 49.8 | low | 37% |
| Marree Aero | 19.7 | 29.9 | 22 Aug | 4.1 | -1.0 | 3 Jul | 15.6 | |||||
| Marree Comparison | 20.4 | +0.4 | 30.0 | 22 Aug | 5.6 | -0.1 | 1.0 | 3 Jul | 17.1 | 32.8 | average | 52% |
| Moomba Airport | 20.7 | 34.3 | 22 Aug | 5.6 | 0.8 | 3 Jul | 32.6 | |||||
| Oodnadatta Airport | 20.7 | +0.2 | 32.1 | 22 Aug | 4.9 | -1.7 | -0.7 | 4 Jul | 1.8 | 30.1 | low | 6% |
| Western Agricultural (district 18) | ||||||||||||
| Ceduna AMO | 18.0 | -0.1 | 28.2 | 7 Aug | 5.8 | -0.3 | -1.9 | 12 Aug | 75.6 | 109.2 | low | 69% |
| Cleve | 15.7 | -0.3 | 22.0 | 7 Aug | 7.3 | -0.2 | 1.7 | 11 Jun | 139.4 | 140.7 | average | 99% |
| Cleve Aerodrome | 15.4 | 21.8 | 7 Aug | 7.2 | 1.0 | 7 Jul | 108.6 | 129.9 | average | 84% | ||
| Coulta (Coles Point) | 15.7 | -0.4 | 22.8 | 7 Aug | 7.4 | -0.4 | 1.4 | 10 Jun | 250.2 | |||
| Cummins Aero | 15.9 | 21.5 | 7 Aug | 4.9 | -2.5 | 10 Jun | 175.8 | |||||
| Elliston | 16.9 | 0.0 | 24.0 | 7 Aug | 8.0 | -0.2 | 1.6 | 11 Aug | 192.8 | 202.1 | average | 95% |
| Kimba | 15.1 | -1.1 | 21.8 | 28 Aug | 5.2 | -0.2 | 0.0 | 7 Jul | 98.8 | 122.7 | average | 81% |
| Kyancutta | 17.5 | -0.4 | 25.2 | 28 Aug | 4.5 | -0.5 | -2.1 | 11 Jun | 128.1 | 117.8 | average | 109% |
| Minnipa Pirsa | 16.3 | 24.4 | 28 Aug | 6.4 | 2.5 | 31 Aug | 104.6 | |||||
| Neptune Island | 15.5 | 0.0 | 19.5 | 7 Aug | 11.6 | 0.0 | 6.4 | 23 Aug | 209.6 | 205.6 | average | 102% |
| North Shields (Port Lincoln AWS) | 16.2 | -0.4 | 22.3 | 7 Aug | 7.2 | -0.6 | 2.8 | 7 Jul | 179.0 | |||
| Nullarbor | 18.6 | -0.3 | 29.4 | 7 Aug | 4.7 | -1.0 | -2.2 | 7 Jul | 65.6 | 82.1 | average | 80% |
| Port Augusta Aero | 18.3 | 27.1 | 22 Aug | 4.7 | -2.7 | 7 Jul | 57.0 | |||||
| Streaky Bay | 17.5 | +0.4 | 24.6 | 27 Aug | 8.4 | -0.4 | 2.6 | 12 Aug | 130.1 | 173.6 | low | 75% |
| Whyalla Aero | 17.0 | -0.6 | 26.0 | 22 Aug | 5.6 | -0.1 | -1.4 | 7 Jul | 74.5 | 70.3 | average | 106% |
| Wudinna Aero | 17.0 | 24.9 | 28 Aug | 5.2 | -2.3 | 12 Aug | 115.0 | |||||
| Upper North (district 19) | ||||||||||||
| Hawker | 16.4 | -0.3 | 25.8 | 22 Aug | 3.1 | -1.1 | -2.0 | 7 Jun | 67.2 | 103.1 | low | 65% |
| Yongala | 13.5 | -0.1 | 21.5 | 22 Aug | 2.5 | 0.0 | -5.1 | 10 Jun | 104.2 | 122.0 | average | 85% |
| Northeast (district 20) | ||||||||||||
| Gluepot Reserve (Gluepot) | 17.1 | 25.5 | 22 Aug | 3.4 | -6.5 | 6 Jul | 51.5 | |||||
| Yunta Airstrip | 16.1 | 24.8 | 22 Aug | 2.5 | -7.5 | 6 Jul | 39.0 | |||||
| Lower North (district 21) | ||||||||||||
| Clare High School | 13.0 | 20.3 | 22 Aug | 4.4 | -2.5 | 10 Jun | 192.8 | |||||
| Port Pirie Aerodrome | 16.5 | 23.1 | 22 Aug | 6.0 | 0.1 | 1 Aug | 145.0 | |||||
| Port Pirie Nyrstar Comparison | 17.0 | -0.2 | 23.2 | 22 Aug | 8.3 | +0.2 | 3.0 | 10 Jun | 124.2 | 109.5 | high | 113% |
| Snowtown (Rayville Park) | 15.5 | 23.4 | 22 Aug | 4.7 | -2.6 | 11 Jun | 109.0 | |||||
| Yorke Peninsula (district 22A) | ||||||||||||
| Edithburgh | 15.4 | 20.3 | 7 Aug | 7.5 | 2.3 | 7 Jul | 176.6 | |||||
| Kadina AWS | 15.6 | 21.1 | 22 Aug | 5.2 | -1.2 | 1 Aug | 133.6 | |||||
| Maitland | 14.7 | -0.4 | 20.0 | 22 Aug | 7.5 | +0.1 | 3.0 | 8 Jun | 215.0 | 196.1 | average | 110% |
| Minlaton Aero | 15.2 | 20.5 | 22 Aug | 6.9 | 1.7 | 1 Aug | 133.4 | |||||
| Stenhouse Bay | 15.7 | 20.1 | 7 Aug | 9.4 | 2.9 | 1 Aug | 216.0 | |||||
| Warooka | 15.3 | -0.2 | 18.6 | 2 Jun | 7.8 | -0.1 | 3.6 | 7 Jul | 185.0 | 189.8 | average | 97% |
| Kangaroo Island (district 22B) | ||||||||||||
| Cape Borda | 14.3 | 18.0 | 1 Jun | 8.9 | 4.7 | 6 Jul | 205.6 | |||||
| Cape Willoughby | 14.4 | -0.1 | 18.3 | 1 Jun | 10.0 | 0.0 | 6.4 | 17 Aug | 267.2 | 230.4 | high | 116% |
| Kingscote Aero | 15.6 | 18.9 | 1 Jun | 5.8 | -2.1 | 7 Jul | 242.2 | |||||
| Parndana Cfs AWS | 13.9 | 18.8 | 1 Jun | 6.4 | 2.6 | 23 Jun | 285.8 | |||||
| Adelaide Plains (district 23A) | ||||||||||||
| Adelaide (Kent Town) | 15.5 | -0.5 | 21.1 | 22 Aug | 7.8 | -0.1 | 2.2 | 1 Aug | 260.6 | 221.9 | high | 117% |
| Adelaide Airport | 15.3 | -0.3 | 20.8 | 22 Aug | 7.4 | 0.0 | 1.1 | 9 Jun | 197.8 | 165.4 | high | 120% |
| Edinburgh RAAF | 15.6 | -0.3 | 21.3 | 22 Aug | 6.3 | -0.2 | 0.1 | 1 Aug | 155.6 | 155.9 | average | 100% |
| Parafield Airport | 15.7 | 0.0 | 21.0 | 22 Aug | 6.1 | -0.6 | -0.9 | 9 Jun | 164.6 | 166.2 | average | 99% |
| Roseworthy AWS | 15.4 | 21.4 | 22 Aug | 5.5 | -0.9 | 9 Jun | 119.2 | |||||
| County Light (district 23B) | ||||||||||||
| Nuriootpa Viticultural | 13.5 | 21.2 | 22 Aug | 5.0 | -2.5 | 11 Jun | 135.4 | |||||
| Rosedale (Turretfield Research Centre) | 15.0 | -0.4 | 22.0 | 22 Aug | 5.4 | -0.4 | -1.0 | 9 Jun | 181.3 | 173.1 | average | 105% |
| Mount Lofty Ranges (district 23C) | ||||||||||||
| Hindmarsh Island AWS | 15.4 | 22.0 | 28 Aug | 8.1 | 2.0 | 6 Jul | 238.4 | |||||
| Kuitpo Forest Reserve | 12.3 | 17.8 | 22 Aug | 6.6 | 2.6 | 7 Jul | 373.4 | |||||
| Mount Barker | 12.9 | -0.7 | 17.8 | 28 Aug | 5.4 | +0.5 | -0.3 | 11 Jun | 369.6 | 308.4 | high | 120% |
| Mount Crawford (Mt Crawford AWS) | 11.1 | 17.6 | 22 Aug | 5.6 | 2.0 | 10 Jun | 230.4 | |||||
| Mount Lofty | 9.5 | 15.1 | 22 Aug | 4.8 | 1.3 | 24 Aug | 377.8 | |||||
| Noarlunga | 14.9 | 19.9 | 22 Aug | 8.6 | 3.8 | 10 Jun | 234.0 | |||||
| Parawa (Second Valley Forest AWS) | 12.0 | 15.4 | 1 Jun | 7.0 | 2.5 | 7 Jul | 433.8 | |||||
| Victor Harbor (Encounter Bay) | 15.5 | 20.9 | 28 Aug | 6.4 | -0.8 | 11 Jun | 335.0 | |||||
| Upper Murray Valley (district 24A) | ||||||||||||
| Loxton Research Centre | 16.6 | +0.1 | 23.2 | 22 Aug | -3.6 | 11 Jun | 51.4 | 81.7 | low | 63% | ||
| Renmark Aero | 17.0 | 24.2 | 28 Aug | 3.7 | -4.9 | 6 Jul | 63.2 | |||||
| Lower Murray Valley (district 24B) | ||||||||||||
| Eudunda | 13.3 | -0.4 | 22.0 | 22 Aug | 5.3 | 0.0 | -0.2 | 11 Jun | 127.6 | 158.8 | average | 80% |
| Meningie | 15.2 | -0.3 | 18.1 | 22 Aug | 6.8 | -0.2 | 0.7 | 7 Jul | 252.0 | 180.4 | v high | 140% |
| Murray Bridge (Pallamana Aerodrome) | 15.4 | 20.8 | 22 Aug | 4.8 | -3.8 | 7 Jul | 139.4 | |||||
| Murray Bridge Comparison | 16.2 | -0.6 | 21.5 | 22 Aug | 5.5 | -0.3 | -1.5 | 7 Jul | 169.0 | 110.8 | v high | 153% |
| Strathalbyn Racecourse | 14.9 | 20.9 | 28 Aug | 6.9 | 0.5 | 11 Jun | 245.0 | |||||
| Murray Mallee (district 25A) | ||||||||||||
| Karoonda | 15.7 | 21.6 | 20 Jun | 4.7 | -1.2 | 7 Jul | 118.7 | 108.5 | average | 109% | ||
| Upper Southeast (district 25B) | ||||||||||||
| Keith | 15.1 | -0.5 | 20.0 | 28 Aug | 5.8 | 0.0 | -0.2 | 1 Aug | 179.0 | 165.5 | average | 108% |
| Keith (Munkora) | 14.8 | 19.4 | 28 Aug | 4.7 | -1.1 | 1 Aug | 190.0 | |||||
| Lameroo (Austin Plains) | 14.9 | 21.1 | 28 Aug | 4.4 | -0.7 | 7 Jul | 106.0 | |||||
| Lameroo Comparison | 15.5 | -0.2 | 22.0 | 28 Aug | 5.2 | +0.4 | 0.3 | 7 Jul | 117.2 | 126.1 | average | 93% |
| Lower Southeast (district 26) | ||||||||||||
| Cape Jaffa (The Limestone) | 14.2 | -0.2 | 18.2 | 1 Jun | 7.9 | +0.1 | 1.4 | 7 Jul | 272.0 | |||
| Coonawarra | 14.2 | -0.2 | 18.7 | 1 Jun | 5.3 | 0.0 | -2.0 | 1 Aug | 249.4 | 229.0 | average | 109% |
| Mount Gambier Aero | 13.8 | +0.1 | 17.9 | 1 Jun | 5.8 | +0.3 | -0.3 | 6 Jul | 311.2 | 277.8 | average | 112% |
| Naracoorte Aerodrome | 14.3 | 19.0 | 28 Aug | 5.2 | -1.5 | 11 Jun | 214.0 | |||||
| Padthaway South | 14.4 | 19.4 | 28 Aug | 5.2 | -1.6 | 8 Jun | 200.2 | |||||
| Robe Airfield | 14.9 | 19.2 | 22 Aug | 6.7 | -1.0 | 6 Jul | 293.4 | |||||
| Robe Comparison | 14.2 | +0.1 | 16.7 | 2 Jun | 8.7 | +0.3 | 2.9 | 6 Jul | 310.6 | 285.3 | average | 109% |
Extremes Maps Records Summaries Important notes the top
Notes
A Seasonal Climate Summary is prepared to list the main features of the weather in South Australia 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 12 pm on Friday 31 August 2012. 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 20 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
- media@bom.gov.au (03) 9669 4057
- Enquiries
- helpdesk.climate@bom.gov.au
Unless otherwise noted, all maps, graphs and diagrams in this page are licensed under the Creative Commons Attribution 4.0 International Licence
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