NSW in August 2012: Dry, sunny August brings warm days and cold nights

  • 10th driest August on record for NSW, driest since 2009
  • 7th coldest August on record for minimum temperatures
  • 14th warmest August on record for maximum temperatures

10th driest August on record

NSW recorded a statewide average rainfall of 12.7 mm during August, well below the historical average of 37.8 mm and the 10th driest August on record. August was particularly dry in northern NSW, with a strong high pressure ridge resulting in little to no rainfall in the northern parts of NSW. Several stations including Grafton and Tibooburra recorded no rain at all during the month, their equal driest August on record.

In comparison, the passage of a cold front on the 17th and 18th brought rain to southern parts of the state, while a low pressure trough and widespread thunderstorms brought widespread rain along the tablelands on the 23rd. A low pressure system also produced rain along the central coast on the 10th and 11th, with falls of up to 70 mm at Comboyne on the 11th. In these regions, August rainfall remained well below average, but generally less dry than August 2009 and 2006. However, the south coast also missed out on rain from cold fronts, with the driest August since 1946 at Robertson.

The Murray-Darling Basin also recorded an average of 16.6 mm of rain during August, well below the historical average of 37.8 mm and the driest August since 2009 (15.1 mm).

Some sites had their lowest total August rainfall on record.

Warm days and very cold nights across the state

The statewide average maximum temperature for NSW during August was 18.3 °C, 1.2 °C above the historical average and the 15th warmest on record. Most of the state was warmer than average during the month, with warmest temperatures in the north of the state, associated with a strong high pressure ridge, dry weather, and generally clear, sunny conditions.

The statewide average minimum temperature was just 3.7 °C, 1 °C below average and the 7th coolest on record. The cold nights were also associated with the clear conditions, with temperatures below average across the state, in addition to an increased frequency of cool southerly winds. Nights were particularly cold in central and northern NSW, which were more than 2 °C below average, with several stations recording their coldest August nights on record.

The warmest event during the month occurred ahead of a low pressure trough on the 22nd and 23rd, with warm northwesterly winds bringing temperatures of up to 32.3 °C at Wanaaring on the 22nd. Williamtown recorded 30.5 °C on the 23rd, its warmest August day since records began in 1950, with the warmest August night on record at Coonabarabran (14.1 °C). The coldest nights were at the start of the month, with much of the state more than 6 °C below normal during a period of clear conditions and southerly winds on the 1st and 2nd, including the coldest August night on record at Nyngan and Corowa.

The statewide average temperature in NSW was consequently 11 °C, 0.1 °C above the historical average. Due to the cold nights and warm days the diurnal temperature range was 2.3 °C above normal and the 7th highest on record, the highest since the very dry Augusts of 2006 and 2002.

See a list of August temperature records.

Strong winds

There were several strong wind events during the month which caused roof damage and downed trees in the state, particularly on the coast. A low pressure system off the coast caused winds of up to 106 km/hr at Sydney Airport on the 10th of August. Gusts reached 111 km/hr at Murrurrundi Gap as a front crossed the state on the 17th, while gusts reached 91 km/hr at Bellambi as widespread thunderstorms hit the state on August 23rd. For more information about the impacts of strong wind events please see the relevant Monthly Weather Review or visit the State Emergency Services webpage.

Further information

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Extremes in August 2012
Hottest day 32.3 °C at Wanaaring Post Office on the 22nd
Warmest days on average 23.5 °C at Grafton Olympic Pool
Coolest days on average -1.2 °C at Thredbo AWS
Coldest day -4.9 °C at Thredbo AWS on the 6th
Coldest night -12.0 °C at Charlotte Pass (Kosciusko Chalet) on the 10th
-12.0 °C at Charlotte Pass (Kosciusko Chalet) on the 26th
Coolest nights on average -5.1 °C at Thredbo AWS
Warmest nights on average 13.5 °C at Lord Howe Island Aero
Warmest night 19.1 °C at Byron Bay (Cape Byron AWS) on the 24th
Warmest on average overall 16.4 °C at Byron Bay (Cape Byron AWS)
Coolest on average overall -3.2 °C at Thredbo AWS
Wettest overall 257.8 mm at Perisher Valley AWS
Wettest day 70.0 mm at Comboyne Public School on the 11th
Highest wind gust 111 km/h at Murrurundi Gap AWS on the 17th

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 lowest total August rainfall
Total rainfall
for August 2012 (mm)
Previous driest
for August
Years of
record
Average for
August
Nyngan Airport 0.0 = 0.0 in 1959 132 29.4
Tibooburra Post Office 0.0 = 0.0 in 2006 126 11.6
Wanaaring Post Office 0.0 = 0.0 in 1994 126 14.8
Grafton Research Stn 0.0 = 0.0 in 2002 57 38.6
Pindari Dam 0.0 = 0.0 in 1995 42 36.4
Murwillumbah (Bray Park) 0.0 0.2 in 1991 40 52.2


Record highest August temperature
Highest temperature
in August 2012 (°C)
Previous warmest
for August
Years of
record
Average for
August
Williamtown RAAF 30.5 on the 23rd 30.1 on the 31st in 1995 63 18.6
Gosford (Narara Research Station) AWS 29.9 on the 23rd 29.3 on the 30th in 1977 30 19.0
Cessnock Airport AWS 30.0 on the 23rd = 30.0 on the 21st in 1995 22 19.4



Record highest August daily minimum temperature
Highest daily minimum
temperature
in August 2012 (°C)
Previous warmest
for August
Years of
record
Average for
August
Coonabarabran (Namoi Street) 14.1 on the 23rd 14.0 on the 31st in 2005 56 0.9
Scone Airport AWS 17.2 on the 23rd 16.6 on the 12th in 2002 21 3.6



Record lowest August temperature
Lowest temperature
in August 2012 (°C)
Previous coolest
for August
Years of
record
Average for
August
Nyngan Airport -1.8 on the 2nd -1.7 on the 19th in 1999 52 4.8
Corowa Airport -5.0 on the 2nd -4.0 on the 3rd in 1997 39 3.7
Bathurst Airport AWS -6.1 on the 8th -5.6 on the 8th in 2006 21 1.3



Record lowest August mean daily minimum temperature
Mean daily minimum
temperature
for August 2012 (°C)
Previous coolest
for August
Years of
record
Average for
August
Peak Hill Post Office 4.0 4.1 in 1976 45 5.8
Gulgong Post Office 1.6 1.7 in 1970 40 3.4
Bathurst Airport AWS -0.7 -0.5 in 1997 20 1.3
Mudgee Airport AWS -0.8 -0.7 in 1994 20 1.7

Summary statistics for August 2012
Maximum temperatures
for August
(°C)
Minimum temperatures
for August
(°C)
Rainfall
for August
(millimetres)
Mean for
August
2012
Diff
from
average
Highest for
August
2012
Mean for
August
2012
Diff
from
average
Lowest for
August
2012
Total for
August
2012
Average
for
August
Rank of
August
2012
Fraction of
August
average
Western (Far Northwest) (district 46)
Fowlers Gap AWS 19.6   29.6 22nd 4.9   -1.9 2nd 6.2
Tibooburra Airport 21.1   32.1 22nd 6.4   1.6 1st 0.2
Tibooburra Post Office 21.4 +1.0 32.1 22nd 6.4 -0.5 1.3 1st 0 11.6 lowest 0%
White Cliffs AWS 20.3   29.8 22nd 5.9   1.4 2nd 2.4
Wilcannia (Reid St) 20.5 +1.0 29.8 22nd 3.8 -1.8 -1.3 2nd 4.0 17.5 low 23%
Wilcannia Aerodrome AWS 20.3   30.3 22nd 3.6   -2.3 2nd 4.0
Western (Lower Darling) (district 47)
Broken Hill (Patton Street) 18.5 +1.2 26.3 22nd 6.8 +0.4 1.2 1st 5.4 18.4 low 29%
Broken Hill Airport AWS 18.2 +0.4 26.3 22nd 4.9 -0.8 -1.6 1st 3.8 17.8 low 21%
Lake Victoria Storage 17.6 +0.5 21.9 22nd 4.7 -1.4 -0.2 13th 13.3 23.7 low 56%
Menindee Post Office 19.6 +0.3 27.8 22nd 6.5 +1.2 0.8 2nd 4.8 17.9 low 27%
Pooncarie Mail Agency 18.8   26.0 22nd 5.5   0.1 2nd 8.6 22.6 low 38%
Western (Upper Darling) (district 48)
Bourke Airport AWS 21.6   31.2 22nd 2.2   -2.7 2nd 0
Brewarrina Hospital 21.6 +1.0 30.2 22nd 3.2 -2.6 -1.8 2nd 0.4 21.5 low 2%
Cobar Airport AWS 19.2   28.6 22nd 2.1   -3.5 2nd 0.6
Cobar MO 19.1 +1.1 28.8 22nd 5.0 -1.3 0.5 1st 0.4 26.7 v low 1%
Collarenebri (Albert St) 21.2 +0.3 31.1 23rd 3.0 -2.3 -2.0 2nd 1.0 26.9 low 4%
Lightning Ridge Visitors Information Cen       4.2   -1.0 1st 1.6
Wanaaring Post Office 21.8 +0.5 32.3 22nd 3.6 -1.8 -2.8 2nd 0 14.8 lowest 0%
Western (Southwest Plains) (district 49)
Balranald (RSL) 17.6 0.0 24.4 22nd 5.0 +0.3 -0.4 27th 14.8 29.6 low 50%
Ivanhoe Aerodrome AWS 19.0   27.9 22nd 4.6   -0.4 27th 11.6
Central Western Plains (South) (district 50)
Condobolin Ag Research Stn 17.2 +0.3 25.0 22nd 1.3 -2.2 -3.5 2nd 13.2 34.4 low 38%
Condobolin Airport AWS 17.8   25.3 22nd 1.1   -4.2 2nd 12.8
Peak Hill Post Office 17.7 +0.7 24.0 22nd 4.0 -1.8 -1.4 7th 5.0 42.9 v low 12%
West Wyalong Airport AWS 16.2   23.5 22nd 1.3   -3.4 2nd 33.4
Central Western Plains (North) (district 51)
Coonamble Airport AWS 19.3   25.9 29th 2.3   -2.6 2nd 5.2
Nyngan Airport 19.8 +1.4 27.6 22nd 3.1 -1.7 -1.8 2nd 0 29.4 lowest 0%
Trangie Research Station AWS 18.6 +1.3 25.1 22nd 2.1 -1.9 -3.7 2nd 0.2 32.1 v low 1%
Northwest Plains (West) (district 52)
Mungindi Post Office 22.3 +1.3 31.6 23rd 3.7 -2.3 -1.0 8th 3.6 25.4 low 14%
Walgett Airport AWS 20.9   29.0 23rd 2.4   -2.9 8th 7.8 19.3 average 40%
Northwest Plains (East) (district 53)
Moree Aero 19.9   28.5 23rd 3.5   -1.1 2nd 2.2
Northwest Slopes (North) (district 54)
Barraba Post Office 18.6 +0.6 23.1 30th -0.4 -1.5 -5.1 8th 17.0 39.6 low 43%
Narrabri Airport AWS 19.5   25.5 23rd 3.3   -2.1 2nd 26.8
Northwest Slopes (South) (district 55)
Gunnedah Airport AWS 19.3   25.1 23rd 0.6   -3.9 8th 11.6
Gunnedah Resource Centre 19.0 +1.1 25.0 23rd 5.3 -0.5 1.0 7th 9.4 35.3 low 27%
Tamworth Airport AWS 18.4 +0.1 25.6 23rd 1.3 -1.6 -4.3 2nd 11.2 38.2 low 29%
Woolbrook (Danglemah Road) 14.1 -0.2 21.5 23rd -2.0 -1.1 -7.4 2nd 28.8 54.2 low 53%
Northern Tablelands (West) (district 56)
Armidale (Tree Group Nursery) 14.7   23.3 23rd -1.6   -7.1 8th 14.6
Armidale Airport AWS 13.9   22.2 23rd 1.0   -3.9 7th 19.8
Glen Innes Ag Research Stn 14.4 +0.4 21.0 23rd -0.5 -1.7 -5.5 7th 1.0 48.8 v low 2%
Glen Innes Airport AWS 15.0   21.9 23rd -3.5   -9.7 7th 3.0
Guyra Hospital 12.4 +0.3 19.7 23rd 0.6 -0.6 -4.6 2nd 14.4 53.4 low 27%
Inverell (Raglan St) 18.3   24.3 23rd -1.8   -6.1 8th 6.8
Inverell Research Centre 17.6 +1.0 23.9 23rd 2.9 -1.5 -3.0 8th 5.8 44.0 v low 13%
Tenterfield (Federation Park) 16.9 +0.9 24.0 23rd -1.6 -3.5 -7.1 8th 6.7 43.7 v low 15%
Northern Tablelands (East) (district 57)
Tabulam (Muirne) 18.8 +0.7 24.2 23rd 7.6 -0.4 3.9 3rd 1.0 38.2 v low 3%
Upper North Coast (district 58)
Ballina Airport AWS 21.8   28.2 24th 7.2   2.7 3rd 9.4 88.7 v low 11%
Byron Bay (Cape Byron AWS) 19.8   23.0 15th 12.9   9.4 2nd 11.8
Casino Airport AWS     28.3 30th 7.1   3.2 11th 5.2
Evans Head RAAF Bombing Range AWS 22.0   29.8 24th 9.9   5.6 3rd 9.0
Grafton Airport AWS 22.7   29.9 24th 4.8   -0.2 2nd 1.0
Grafton Olympic Pool 23.5 +1.4 30.2 24th 6.5 -0.8 1.5 5th
Grafton Research Stn 22.9   29.6 24th 7.0   2.5 6th 0 38.6 lowest 0%
Lismore (Richmond Hill) 22.2   27.6 23rd 9.0   4.4 3rd 1.5
Lismore Airport AWS 22.7   28.2 23rd 5.5   0.2 2nd 3.2
Murwillumbah (Bray Park) 22.9 +0.5 28.3 24th 7.4 -1.4 2.2 2nd 0 52.2 lowest 0%
Yamba Pilot Station 21.6 +1.5 29.0 24th 10.2 -0.3 6.4 2nd 2.4 74.8 v low 3%
Lower North Coast (district 59)
Coffs Harbour MO 20.9 +1.1 28.9 24th 7.6 -0.6 2.2 7th 12.0 78.4 low 15%
Dorrigo (Old Coramba Rd) 16.8   24.5 30th 4.3   -1.0 8th 1.7
Kempsey (Wide Street) 21.3 0.0 28.2 23rd 6.2 0.0 1.0 7th 15.2 61.9 average 25%
Kempsey Airport AWS 21.6   28.8 23rd 4.2   -1.8 7th 18.6
South West Rocks (Smoky Cape Lighthouse) 20.6 +0.8 24.2 24th 12.1 +0.4 6.5 11th 28.9 79.7 average 36%
Manning (district 60)
Forster - Tuncurry Marine Rescue 19.7   24.5 30th 7.7   2.0 8th 65.6 71.6 average 92%
Port Macquarie Airport AWS 20.2   26.3 23rd 6.2   -0.3 7th 29.8
Taree Airport AWS 20.1   29.9 23rd 6.1   -0.4 8th 48.6
Yarras (Mount Seaview) 21.0 +0.7 31.1 23rd 5.6 -0.4 1.0 4th 68.6 68.2 average 101%
Hunter (district 61)
Cessnock Airport AWS 19.8 +0.4 30.0 23rd 3.6 -0.9 -1.5 8th 8.8 34.1 low 26%
Cooranbong (Lake Macquarie AWS) 19.9   29.3 23rd 4.2   -2.1 8th 21.0
Gosford (Narara Research Station) AWS 19.7 +0.7 29.9 23rd 4.9 -0.5 -0.3 8th 19.2 72.4 low 27%
Jerrys Plains Post Office 20.4 +1.0 27.9 23rd 3.6 -0.8 -1.5 1st 11.0 36.3 low 30%
Maitland Visitors Centre 20.3   30.5 23rd 5.3   0.0 4th 14.0
Mangrove Mountain AWS 17.9   27.0 23rd 5.5   0.5 7th 9.2
Merriwa (Roscommon) 18.2   24.0 23rd 1.4   -4.3 1st 17.2 33.0 average 52%
Murrurundi Gap AWS 14.5   21.2 23rd 5.2   0.4 10th 13.2
Murrurundi Post Office 17.3 +0.4 24.5 23rd 1.7 -0.8 -3.7 7th 18.8 61.5 low 31%
Nelson Bay (Nelson Head) 19.0 +0.1 28.5 23rd 10.7 +1.2 7.3 8th 61.9 102.8 average 60%
Newcastle Nobbys Signal Station AWS 19.1 +1.1 29.4 23rd 9.6 +0.4 6.5 7th 49.2 73.6 average 67%
Newcastle University 19.9   30.5 23rd 6.8   3.6 1st 48.8
Norah Head AWS 18.8   28.0 23rd 9.8   6.1 7th 60.8
Paterson (Tocal AWS) 20.0 +0.7 30.2 23rd 6.1 -0.5 1.1 8th 11.4 36.8 low 31%
Scone Airport AWS 19.2 +0.6 28.2 23rd 3.0 -0.6 -3.1 8th 4.8
Singleton STP 20.2   29.6 23rd 3.1   -2.0 2nd 10.6
Williamtown RAAF 19.7 +1.1 30.5 23rd 6.3 -0.6 0.9 8th 55.6 75.2 average 74%
Central Tablelands (North) (district 62)
Gulgong Post Office 16.9 +0.4 22.8 29th 1.6 -1.8 -2.9 2nd 7.6 46.5 v low 16%
Mudgee Airport AWS 16.2 0.0 21.9 22nd -0.8 -2.5 -5.0 7th 9.0
Nullo Mountain AWS 10.7 -0.2 15.2 29th 2.2 -0.9 -2.5 10th 14.0
Central Tablelands (South) (district 63)
Bathurst Agricultural Station 13.7 +0.8 19.7 22nd -1.1 -2.4 -6.0 2nd 30.6 49.4 average 62%
Bathurst Airport AWS 14.0 +0.2 20.8 23rd -0.7 -2.0 -6.1 8th 25.8
Katoomba (Murri St) 12.6 +1.5 19.4 23rd 3.1 -0.2 -0.8 10th 16.2 78.7 low 21%
Lithgow (Cooerwull) 11.9   18.2 23rd 0.4   -5.5 2nd 21.6 58.1 low 37%
Mount Boyce AWS 11.0 -0.3 19.0 23rd 2.1 -1.0 -2.0 10th 11.2
Oberon (Springbank) 10.5 +0.2 16.1 23rd -0.7 -1.1 -4.9 14th 55.9 75.5 average 74%
Orange Agricultural Institute 11.1 +0.2 16.5 22nd 0.7 -1.5 -3.2 2nd 45.4 98.3 low 46%
Orange Airport AWS 10.7   16.8 29th 0.1   -4.2 1st 32.6
Springwood (Valley Heights) 18.4   26.5 23rd 6.4   2.2 7th 8.4 53.4 low 16%
Central Western Slopes (North) (district 64)
Coonabarabran (Namoi Street) 17.1 +0.3 22.1 29th -1.2 -2.1 -6.0 8th 8.6 52.8 v low 16%
Coonabarabran Airport AWS 15.9   21.5 29th 5.3   1.0 7th 4.6
Dunedoo Post Office 17.8 +0.6 24.1 22nd 1.3 -1.7 -3.8 8th 10.7 40.7 low 26%
Central Western Slopes (South) (district 65)
Cowra Airport AWS 15.5   21.5 22nd 0.7   -3.6 8th 21.0
Dubbo Airport AWS 17.6   24.1 22nd 1.3   -4.0 7th 9.8
Forbes Airport AWS 16.5   23.5 22nd 1.5   -3.5 2nd 15.2
Parkes Airport AWS 15.6   21.5 22nd 0.6   -4.5 7th 14.4 46.5 v low 31%
Wellington (Agrowplow) 16.9 -0.1 23.9 22nd 0.2 -2.8 -3.8 2nd 8.2 49.3 v low 17%
Metropolitan (East) (district 66)
Bankstown Airport AWS 20.0 +1.1 29.5 23rd 4.8 -1.2 0.6 4th 6.8 47.9 low 14%
Canterbury Racecourse AWS 19.4   29.0 23rd 5.6   0.4 8th 7.2
Holsworthy Control Range 19.5   28.9 23rd 3.9   -0.7 5th 7.0
Parramatta North (Masons Drive) 19.5 +0.5 29.1 23rd 6.5 -0.6 2.3 2nd 9.8 54.4 low 18%
Riverview Observatory 19.4 +1.1 28.7 23rd 6.9 -0.3 3.0 8th 13.5 70.1 low 19%
Sydney (Observatory Hill) 19.9 +2.1 29.2 23rd 9.4 +0.5 5.6 8th 19.0 80.3 low 24%
Sydney Airport AMO 19.9 +1.6 30.0 23rd 8.8 +0.7 5.7 8th 12.6 75.5 low 17%
Sydney Harbour (Wedding Cake West) 18.0   28.7 23rd 10.5   7.9 2nd
Sydney Olympic Park AWS (Archery Centre) 20.0   29.1 23rd 6.0   1.7 8th 11.6
Terrey Hills AWS 18.2   27.9 23rd 7.8   3.6 8th 15.4
Metropolitan (West) (district 67)
Badgerys Creek AWS 19.8   28.8 23rd 3.7   -1.1 8th 3.2
Horsley Park Equestrian Centre AWS 19.5   28.4 23rd 5.2   0.1 7th 8.6
Liverpool (Michael Wenden Centre) 20.0   28.9 23rd 4.1   0.2 4th 7.8
Penrith Lakes AWS 20.2   28.9 23rd 5.1   0.7 8th 5.0
Prospect Reservoir     28.7 23rd 6.3 -0.5 1.7 8th 5.6 49.8 v low 11%
Richmond RAAF 20.4   29.4 23rd 3.0   -2.4 8th 4.8
Illawarra (district 68)
Albion Park (Wollongong Airport) 19.0   27.7 23rd 5.7   0.5 8th 4.8
Bellambi AWS 18.3   26.7 23rd 10.2   7.4 27th 6.2
Bowral (Parry Drive) 13.1 -0.3 21.7 23rd 3.3 +0.2 -1.1 14th 12.4 59.3 low 21%
Camden Airport AWS 19.5 +0.5 29.3 23rd 2.5 -1.4 -2.8 8th 3.4 42.4 v low 8%
Campbelltown (Mount Annan) 19.5   28.9 23rd 3.1   -1.2 8th 5.0
Jervis Bay (Point Perpendicular AWS) 16.7   23.7 23rd 9.5   6.6 27th 9.6
Kiama (Bombo Headland) 18.2   25.8 23rd 10.0   8.1 3rd 8.0
Moss Vale AWS 13.2   21.6 23rd 2.4   -3.7 20th 8.4
Nowra RAN Air Station AWS 18.1   24.2 23rd 5.6   2.5 5th 8.4
Port Kembla NTC AWS 17.5   26.4 23rd 11.1   8.9 7th
South Coast (district 69)
Batemans Bay (Catalina Country Club) 18.0 -0.3 23.3 23rd 3.1 -1.6 -0.8 7th 5.2 55.9 v low 9%
Bega AWS 17.9 +0.1 22.7 23rd 2.0 -1.2 -2.9 8th 18.4
Braidwood Racecourse AWS 13.2 -0.4 18.6 22nd -0.4 -0.9 -5.7 27th 14.4 47.5 average 30%
Green Cape AWS 15.2   19.8 23rd 8.5   6.1 10th 48.8
Merimbula Airport AWS 17.0   22.4 23rd 3.7   0.6 7th 35.2
Montague Island Lighthouse 15.8 -0.3 21.4 23rd 9.8 -0.4 6.1 10th 13.6 53.1 low 26%
Moruya Airport AWS 17.9   23.1 23rd 2.8   -1.8 8th 2.6
Moruya Heads Pilot Station 17.4 +0.3 22.0 23rd 6.3 -0.2 3.1 7th 2.8 53.8 v low 5%
Narooma (Marine Rescue) 16.6 -0.2 23.4 23rd 6.4 -0.9 2.8 7th 5.9 50.0 low 12%
Ulladulla AWS 17.3 -0.1 23.6 23rd 8.9 -0.3 5.7 28th 5.2
Southern Tablelands (Goulburn-Monaro) (district 70)
Bombala (Therry Street) 12.9 +0.2 18.5 28th -1.0 -0.8 -5.1 8th 47.0 40.2 high 117%
Bombala AWS 11.9 -0.4 16.8 28th -0.8 -1.3 -5.8 27th 43.8
Canberra Airport 13.6   19.4 22nd -0.5   -6.6 2nd 40.4
Cooma Airport AWS 10.9 -1.2 15.9 22nd -2.7 -1.2 -9.5 20th 17.2 29.4 low 59%
Cooma Visitors Centre 12.4 -1.0 17.6 22nd -2.9 -1.0 -7.6 7th 14.2 27.1 low 52%
Goulburn Airport AWS 13.0 -0.5 19.7 22nd -1.3 -1.9 -7.6 2nd 24.0
Goulburn TAFE 12.7 -0.5 19.4 22nd 1.6 -0.6 -3.5 2nd 24.6 52.4 low 47%
Mount Ginini AWS 2.8   7.4 22nd -2.8   -6.4 10th 36.2
Taralga Post Office 12.2 +0.3 18.7 22nd 0.0 -1.2 -4.5 27th 40.5 66.7 average 61%
Tuggeranong (Isabella Plains) AWS 13.5   18.4 22nd -0.5   -5.9 7th 27.6
Southern Tablelands (Snowy Mountains) (district 71)
Perisher Valley AWS 2.0   7.1 22nd -4.2   -10.3 20th 257.8
Thredbo AWS -1.2 -1.7 4.5 22nd -5.1 -0.4 -9.5 2nd 44.2 124.8 low 35%
Thredbo Village 5.6 -1.0 11.5 23rd -2.2 +0.3 -8.0 27th 180.2 193.6 average 93%
Southwest Slopes (South) (district 72)
Albury Airport AWS 14.3   19.4 22nd 2.8   -1.8 2nd 52.4
Cabramurra SMHEA AWS 3.3   8.5 22nd -1.5   -5.0 20th 50.0
Hume Reservoir 14.1 -0.1 19.8 22nd 4.2 -0.7 0.2 1st 66.6 76.3 average 87%
Khancoban AWS 12.3   17.7 22nd 2.1   -2.9 2nd 104.8
Tumbarumba Post Office 11.4 -0.8 17.1 22nd 0.2 -0.7 -5.1 2nd 115.7 107.2 average 108%
Wagga Wagga AMO 14.6 +0.1 21.1 22nd 1.9 -1.7 -2.8 1st 37.6 51.3 average 73%
Southwest Slopes (North) (district 73)
Burrinjuck Dam 13.2 -0.2 17.0 22nd 2.5 -1.2 -0.2 1st 86.9 98.9 average 88%
Cootamundra Airport 14.1   21.0 22nd 0.0   -5.0 8th 55.4
Grenfell (Manganese Rd) 14.3 -0.5 21.4 22nd 2.0 -2.0 -2.5 2nd 31.6 55.9 low 57%
Gundagai (William St) 13.9   20.2 22nd 1.9   -3.0 2nd 39.8
Quandialla Post Office 15.9 -0.3 23.0 22nd 2.3 -1.3 -2.6 2nd 38.6 42.6 average 91%
Temora Airport 15.1   21.5 22nd 0.3   -4.7 7th 38.0
Wyalong Post Office 16.4 +0.5 23.7 22nd 2.5 -1.4 -3.4 1st 30.2 39.1 average 77%
Young Airport 14.1 -0.5 20.8 22nd -0.9 -2.3 -5.5 7th 45.2
Riverina (East) (district 74)
Corowa Airport 14.9 -0.1 19.6 29th 2.8 -0.9 -5.0 2nd 40.2 53.4 average 75%
Deniliquin Airport AWS 16.2   23.7 22nd 3.4   -1.7 1st 19.4
Narrandera Airport 16.3   24.0 22nd 2.4   -2.9 2nd 19.0 39.0 low 49%
Narrandera Golf Club 16.1 +0.1 23.2 22nd 2.7 -1.4 -2.6 2nd 30.7 43.6 average 70%
Tocumwal Airport 15.1 -0.7 21.1 29th 3.8 -0.6 -1.6 2nd 37.2 43.1 average 86%
Yanco Agricultural Institute 15.8   23.7 22nd 4.6   0.8 1st 23.2 35.4 average 66%
Riverina (West) (district 75)
Griffith Airport AWS 16.4 -0.1 25.6 22nd 2.0 -1.9 -2.5 1st 29.2 36.1 average 81%
Hay (Miller Street) 17.1 -0.2 24.6 22nd 4.4 -0.2 -1.2 1st 22.2 32.2 average 69%
Hay Airport AWS 17.6   25.7 22nd 3.1   -3.7 1st 19.8
Hillston Airport 18.0 +0.9 27.5 22nd 2.8 -2.2 -2.0 1st 16.0 31.0 low 52%
Offshore Islands (district 200)
Lord Howe Island Aero 18.8 -0.1 21.7 16th 13.5 0.0 8.4 21st 114.6 108.2 average 106%
Norfolk Island Aero 18.6 +0.3 20.5 19th 13.3 +0.1 11.6 10th 99.0 127.3 average 78%

Notes

A Monthly Climate Summary is prepared to list the main features of the weather in New South Wales 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 8 am on Monday 3 September 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.

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