New South Wales in August 2019: Very dry in most areas, warm days, cold nights

Rainfall totals for much of NSW were very much below average, though some places about the coast received average to above average rainfall. Mean maximum temperatures were very much above average in the northeast, while minimum temperatures were generally very much below average.

One of the driest Augusts on record

  • Rainfall across NSW was generally very much below average during August, with a few sites having their driest August on record and many more having their driest August since 1995
  • The State average rainfall was 77% below average, the fifth-lowest on record and the lowest since the record dry 1995
  • Moderate to heavy rain around Sydney and the Hunter in the final few days of the month gave above average August totals there, with a few sites having their highest total August rainfall since 1998
  • Rainfall was close to average in coastal areas north of the Illawarra Coast, with some places including the Yamba Pilot Station reaching higher than average rainfall totals
  • High pressure systems over the south of the country have suppressed rainfall during the month
  • Rainfall for the year to date has been below average over most of New South Wales, with areas of record low in the northeast

Warmer days in the northeast, but many cold nights

  • Mean maximum temperatures were warmer than average in the east and northeast, and very much above average in the northeast quarter
  • Average maximum temperatures in the south and west of the State were generally close to average
  • There were some very cold nights during the month, with a few sites having their lowest August temperature on record
  • Minimum temperatures were very much below average apart from near the coast and in the northeast, with some sites having their lowest August mean daily minimum temperature on record
  • The State's mean maximum temperature was 1.09 °C above average but the mean minimum temperature was 0.55 °C below average, giving an overall mean temperature 0.27 °C above average
  • A cold outbreak brought cold days from the 8th to the 13th, and on the 10th a few sites with short records had their coldest August day on record
  • Temperatures for the year to date have been above average over most of New South Wales, with areas of record high mean maximum temperature in the east

Snow

  • Cold outbreaks brought snow to many elevated areas, with moderate falls in the highlands
  • A significant cold outbreak in brought snow to the Alps from about 7 August, and by 10 and 11 August many locations above about 600 m received snow, including Orange, Guyra, Lithgow, Canberra, the Barrington Tops and the Blue Mountains
  • Over a metre of snow fell at Spencers Creek during the month, mostly between the 6th and the 13th

Further information

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Extremes in August 2019
Hottest day 31.1 °C at Bourke Airport AWS on the 18th
Warmest days on average 24.0 °C at Grafton Research Stn
Coolest days on average 0.8 °C at Thredbo AWS
Coldest day -5.0 °C at Thredbo AWS on the 10th
Coldest night -12.0 °C at Perisher Valley AWS on the 30th
Coolest nights on average -5.0 °C at Thredbo AWS
Warmest nights on average 13.2 °C at Byron Bay (Cape Byron AWS)
Warmest night 17.1 °C at Byron Bay (Cape Byron AWS) on the 19th
Warmest on average overall 17.0 °C at Byron Bay (Cape Byron AWS)
Coolest on average overall -2.1 °C at Thredbo AWS
Wettest overall 212.6 mm at Gosford AWS
Wettest day 114.4 mm at Gosford AWS on the 30th
Strongest wind gust 119 km/h at Thredbo AWS on the 9th

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


Highest August total rainfall for at least 20 years
Observed
(mm)
Most recent
higher
Average for
August
Swansea (Catherine St) 200.0 337.8 in 1998 74.0
Yarramalong (Lewensbrook) 172.0 242.8 in 1998* 59.6

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




Record lowest August total rainfall
New record
(mm)
Old
record
Years of
record
Average for
August
Uralla (Blue Nobby) 2.0 5.2 in 1995 58 44.8
Araluen Lower (Araluen Rd) 1.0 1.4 in 1995 39 57.0
Bega AWS 1.0 = 1.0 in 1997 25 30.7
Moree Aero 0.0 0.4 in 1995 25 24.7
Lightning Ridge Visitor Information Cent 0.0 0.4 in 1997 23 17.6
Wyalong (Marsden (Minoru)) 6.0 6.5 in 2009 20 30.0
Merimbula Airport AWS 2.6 5.6 in 2016 22 43.2

Lowest August total rainfall for at least 20 years
Observed
(mm)
Most recent
lower
Average for
August
Montague Island Lighthouse 2.6 0.2 in 1980 51.7
Pooncarie (Karpa Kora Station) 0.4 0.0 in 1994 18.7
Belowra Station 1.4 0.0 in 1994* 40.7
Braidwood Racecourse AWS 7.2 0.8 in 1995 49.3
Concord Golf Club 1.4 0.0 in 1995 71.4
Green Cape AWS 4.8 1.0 in 1995 34.4
Gunnedah Pool 4.0 0.4 in 1995 40.9
Inverell (Raglan St) 3.4 0.0 in 1995 35.9
Murrurundi (Haydon Street) 7.0 0.2 in 1995 60.8
Narrabri (Mollee) 0.2 0.0 in 1995 33.4
Nullo Mountain AWS 11.8 1.4 in 1995 52.4
Quandialla Post Office 7.6 4.8 in 1995 41.8
Uralla (Salisbury Court) 8.4 0.0 in 1995 50.6
Wallabadah (Woodton) 7.8 0.0 in 1995 54.8
Warialda Post Office 1.6 0.0 in 1995 38.9
Armidale Airport AWS 5.6 0.0 in 1995* 43.2
Barraba (Clifton Lane) 3.2 0.6 in 1995* 39.4
Hillston Airport 4.2 0.8 in 1995* 30.7
Armidale (Tree Group Nursery) 7.0 5.2 in 1997 43.3
Bingara Post Office 0.5 0.0 in 1995* 43.1
Braidwood (Krawarree) 8.6 0.0 in 1995* 47.8
Inverell Research Centre 2.2 0.0 in 1995* 43.8
Narooma (Marine Rescue) 2.2 2.0 in 1997 50.3
Tamworth Airport AWS 3.2 0.6 in 1997 38.1
Uralla (Dumaresq St) 6.0 0.0 in 1995* 54.0
Glen Alice 2.0 0.0 in 1995* 35.6
Tenterfield (Federation Park) 2.6 2.4 in 1997* 43.2

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




Record highest August temperature
New record
(°C)
Old
record
Years of
record
Average for
August
Parkes Airport AWS 25.0 on the 18th = 25.0 on the 23rd in 2009 22 16.0



Record lowest August daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
August
Mount Boyce AWS 2.5 on the 10th 2.8 on the 11th in 2005 28 11.3
Mudgee Airport AWS 7.9 on the 10th 8.3 on the 19th in 1996 28 16.3
Orange Airport AWS 2.1 on the 10th 2.4 on the 11th in 2008 24 11.2



Highest August mean daily maximum temperature for at least 20 years
Observed
(°C)
Most recent
higher
Average for
August
Yarras (Mount Seaview) 22.9 23.3 in 1995 20.4



Record lowest August temperature
New record
(°C)
Old
record
Years of
record
Average for
August
Burrinjuck Dam -4.0 on the 6th -3.7 on the 6th in 1974 53 3.7
Bega AWS -4.7 on the 24th -4.1 on the 5th in 2014 28 3.1
Mudgee Airport AWS -6.4 on the 6th -6.1 on the 4th in 1994 28 1.5
Badgerys Creek AWS -2.0 on the 7th -1.9 on the 10th in 2008 24 4.7
Merimbula Airport AWS -1.3 on the 24th -1.0 on the 8th in 2006 22 4.7



Highest August mean daily minimum temperature for at least 20 years
Observed
(°C)
Most recent
higher
Average for
August
Inverell (Raglan St) 4.1 4.4 in 1998 0.3



Record lowest August mean daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
August
Grenfell (Manganese Rd) 0.8 = 0.8 in 1989 102 3.9
Taralga Post Office -0.4 = -0.4 in 1994 60 1.2
Peak Hill Post Office 3.7 3.8 in 2017 52 5.7
Griffith Airport AWS 1.4 = 1.4 in 1994 46 3.8
Bathurst Airport AWS -0.8 -0.7 in 2012 27 1.2
Parkes Airport AWS -0.3 0.5 in 2017 21 2.3
Yanco Agricultural Institute 3.3 3.9 in 2014 20 5.4

Lowest August mean daily minimum temperature for at least 20 years
Observed
(°C)
Most recent
lower
Average for
August
Burrinjuck Dam 1.8 1.6 in 1933* 3.7
Oberon (Albion St) -0.8 -1.2 in 1956* 0.4
Hume Reservoir 3.4 3.1 in 1994 4.9

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




Record highest August mean temperature
New record
(°C)
Old
record
Years of
record
Average for
August
Inverell (Raglan St) 11.9 11.3 in 1998 24 9.3

Highest August mean temperature for at least 20 years
Observed
(°C)
Most recent
higher
Average for
August
Yarras (Mount Seaview) 14.9 15.2 in 1995 13.2



Record lowest August mean temperature
New record
(°C)
Old
record
Years of
record
Average for
August
Cootamundra Airport 6.8 = 6.8 in 2008 23 8.0
Narrandera Airport AWS 8.7 8.8 in 1981 23 9.9

Lowest August mean temperature for at least 20 years
Observed
(°C)
Most recent
lower
Average for
August
Burrinjuck Dam 7.7 =7.7 in 1978* 8.5
Wagga Wagga AMO 7.6 =7.6 in 1989 9.0
Grenfell (Manganese Rd) 8.0 6.8 in 1989* 9.4
Hume Reservoir 8.7 8.6 in 1992 9.6
Griffith Airport AWS 8.9 8.7 in 1991* 10.2

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




Summary statistics for August 2019
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
August
2019
Diff
from
average
Highest for
August
2019
Mean for
August
2019
Diff
from
average
Lowest for
August
2019
Total for
August
2019
Average
for
August
Rank of
August
2019
Fraction of
August
average
Western (Far Northwest) (district 46)
Fowlers Gap AWS 18.7 -1.0 25.3 16th 4.3 -1.4 -0.8 6th 0 10.1 v low 0%
Smithville AWS 19.6   26.0 17th 4.3   -0.7 5th 0
Tibooburra Airport 20.1 -0.8 27.2 17th 6.5 -1.3 3.0 5th 0 7.0 lowest 0%
Wanaaring (Borrona Downs AWS) 20.0   27.6 18th 5.8   1.0 12th 0
White Cliffs AWS 19.3 -0.9 26.2 18th 5.9 -1.2 1.2 12th 0 11.8 v low 0%
Wilcannia Aerodrome AWS 18.3 -1.8 26.4 18th 2.4 -2.5 -2.7 4th 0 14.7 lowest 0%
Western (Lower Darling) (district 47)
Broken Hill Airport AWS 17.3 -0.6 23.3 17th 4.2 -1.4 -0.4 13th 0.2 18.2 v low 1%
Lake Victoria Storage 17.5 +0.3 25.5 24th     0.0 30th 4.1 23.5 v low 17%
Menindee Post Office 18.7 -0.6 24.9 7th 3.7 -1.6 -1.0 5th 0 18.1 lowest 0%
Mulurulu AWS 17.7   22.9 24th 3.1   -2.6 14th 1.8
Pooncarie Mail Agency 18.6 -0.8 23.8 31st 4.0 -1.5 -1.2 5th 8.7 22.6 low 38%
Western (Upper Darling) (district 48)
Bourke Airport AWS 21.2 -0.1 31.1 18th 3.9 -1.1 -0.5 20th 0 12.4 lowest 0%
Brewarrina Hospital 22.3 +1.7 30.2 18th 3.8 -1.9 -0.6 5th 0.4 21.3 low 2%
Cobar Airport AWS 18.9 0.0 28.9 18th 2.1 -2.1 -2.6 4th 3.6 17.7 low 20%
Cobar MO 18.9 +0.8 28.8 18th 4.9 -1.3 -1.0 4th 0.6 25.8 v low 2%
Lightning Ridge Visitor Information Cent 22.2 +0.6 29.5 18th 6.1 0.0 1.2 5th 0 17.6 lowest 0%
Noona AWS 18.6   28.2 18th 4.8   0.6 5th 1.0
Wanaaring (Delta AWS) 20.5   30.7 18th 3.2   -2.3 12th 0
Wanaaring Post Office 20.9 -0.5 30.5 18th 3.1 -2.0 -1.1 6th 0 14.7 lowest 0%
Western (Southwest Plains) (district 49)
Balranald (RSL) 16.7 -0.9 22.6 24th 3.9 -0.8 -0.3 5th 11.2 29.3 low 38%
Euabalong (Mount Hope AWS) 17.6   27.4 18th 1.4   -3.9 4th 11.6
Ivanhoe Aerodrome AWS 18.4 -0.4 26.9 18th 4.6 -1.3 0.6 13th 3.0 18.4 v low 16%
Central Western Plains (South) (district 50)
Condobolin Ag Research Stn 17.3 +0.4 26.5 18th 3.5 0.0 -1.2 14th 4.9 32.9 low 15%
Condobolin Airport AWS 17.7 +0.4 26.9 18th 3.1 +0.1 -1.8 6th 6.2 26.3 low 24%
Peak Hill Post Office 18.0 +0.9 26.5 18th 3.7 -2.0 -1.4 14th 5.6 42.0 v low 13%
West Wyalong Airport AWS 16.2 +0.2 24.8 18th     -1.7 14th 10.0 35.1 low 28%
Central Western Plains (North) (district 51)
Coonamble Airport AWS 20.5 +1.2 28.9 18th 3.0 -0.9 -1.8 5th 0.8 23.8 v low 3%
Girilambone (Okeh) AWS 19.8   29.1 18th 5.0   0.4 15th 1.2
Nyngan Airport 19.8 +1.3 28.0 18th 4.8 +0.1 1.0 15th 2.0 29.5 v low 7%
Trangie Research Station AWS 19.2 +1.8 27.1 18th 3.6 -0.4 -0.5 27th 3.2 31.5 v low 10%
Walgett (Brewon AWS) 21.2   29.7 18th 3.6   -1.4 5th 0
Northwest Plains (West) (district 52)
Mungindi Post Office 23.5 +2.4 30.9 18th 5.0 -0.9 0.4 5th 0 25.1 lowest 0%
Walgett Airport AWS 21.9 +0.9 29.8 18th 3.2 -1.1 -1.4 15th 0.6 19.0 v low 3%
Northwest Plains (East) (district 53)
Moree Aero 22.5 +2.0 28.8 18th 5.1 -0.1 0.4 20th 0 24.7 lowest 0%
Northwest Slopes (North) (district 54)
Barraba (Clifton Lane) 20.0 +1.9 24.8 18th 0.1 -0.9 -3.8 14th 3.2 39.4 v low 8%
Narrabri Airport AWS 21.8 +1.8 27.8 18th 4.5 -0.1 -0.8 6th 1.0 29.6 v low 3%
Northwest Slopes (South) (district 55)
Gunnedah Airport AWS 20.9 +1.5 26.7 18th 1.2 -1.1 -3.4 13th 3.8 29.3 v low 13%
Quirindi Post Office 20.2 +2.2 25.5 18th 1.3 -1.1 -4.0 14th 1.8 44.2 v low 4%
Tamworth Airport AWS 20.1 +1.7 26.1 18th 2.0 -0.7 -3.5 20th 3.2 38.1 v low 8%
Woolbrook (Woolbrook Road) 15.6 +1.2 21.0 18th -0.5 +0.4 -5.0 6th 12.8 52.0 low 25%
Northern Tablelands (West) (district 56)
Armidale (Tree Group Nursery) 16.5 +1.6 21.6 18th -1.3 -1.0 -6.0 5th 7.0 43.3 v low 16%
Armidale Airport AWS 15.4 +1.5 21.1 18th 1.5 -0.2 -3.8 20th 5.6 43.2 v low 13%
Glen Innes Ag Research Stn 16.3 +2.1 21.0 18th 1.7 +0.5 -5.0 20th 10.8 48.2 low 22%
Glen Innes Airport AWS 16.5 +1.6 21.0 18th -1.3 -0.2 -9.3 20th 13.8 48.3 low 29%
Guyra Hospital 14.1 +1.9 18.8 18th 1.0 -0.2 -3.8 12th 10.6 51.9 v low 20%
Inverell (Raglan St) 19.8 +1.4 24.4 18th 4.1 +3.8 -2.0 13th 3.4 35.9 v low 9%
Inverell Research Centre 19.3 +2.6 24.0 18th 4.2 -0.1 0.2 12th 2.2 43.8 v low 5%
Tenterfield (Federation Park) 17.9 +1.8 22.5 26th -0.3 -2.0 -7.0 20th 2.6 43.2 v low 6%
Northern Tablelands (East) (district 57)
Tabulam (Muirne) 19.9 +1.6 23.9 17th 8.9 +0.9 2.8 11th 8.8 38.7 low 23%
Upper North Coast (district 58)
Ballina Airport AWS 22.0 +0.7 27.3 19th 8.9 +0.2 4.2 21st 52.0 80.5 average 65%
Byron Bay (Cape Byron AWS) 20.8 +0.7 26.4 19th 13.2 +0.1 8.0 12th 45.8 72.4 average 63%
Casino Airport AWS 23.8 +1.2 28.7 19th 6.6 -0.4 0.0 20th 19.2 45.6 average 42%
Evans Head RAAF Bombing Range AWS 23.2 +1.8 29.2 19th 10.7 0.0 6.5 12th 35.6 80.2 average 44%
Grafton Airport AWS 23.7 +1.3 28.1 17th 6.3 +0.5 -0.7 21st 2.2 58.3 low 4%
Grafton Research Stn 24.0 +2.1 28.7 21st 8.2 +1.0 4.4 21st 7.4 39.6 low 19%
Lismore Airport AWS 23.6 +0.9 28.2 19th 6.4 -0.1 -1.0 20th
Murwillumbah (Bray Park) 23.4 +0.9 28.0 19th 8.6 -0.1 0.2 21st 18.5 53.1 average 35%
Yamba Pilot Station 21.9 +1.7 26.8 8th 11.2 +0.7 7.4 12th 79.0 75.7 average 104%
Lower North Coast (district 59)
Coffs Harbour Airport 21.8   26.5 8th 8.0   1.1 20th 38.8
Dorrigo (Old Coramba Rd) 17.7 +1.5 22.0 17th 4.6 -0.2 0.0 12th 16.5 96.3 average 17%
Kempsey Airport AWS 23.7 +2.1 29.1 25th 4.9 -0.2 -2.6 20th 3.6 50.6 average 7%
Manning (district 60)
Forster - Tuncurry Marine Rescue 20.0 +0.5 24.4 25th 10.0 +0.8 4.0 29th 17.6 70.5 low 25%
Port Macquarie Airport AWS 21.8 +1.5 26.4 25th 5.9 -0.7 -0.9 21st 7.4 61.7 low 12%
Taree Airport AWS 21.0 +0.9 25.2 25th 5.8 -0.9 0.6 14th 12.2 48.4 average 25%
Yarras (Mount Seaview) 22.9 +2.5 28.1 25th 6.9 +0.9 2.9 6th 10.4 71.2 low 15%
Hunter (district 61)
Cessnock Airport AWS 20.9 +1.4 25.8 25th 3.5 -1.0 -4.6 15th 44.6 33.4 high 134%
Cooranbong (Lake Macquarie AWS) 19.9 +0.1 25.4 24th 5.4 +0.5 -0.8 7th 111.2 46.3 high 240%
Gosford AWS 19.0   25.6 24th 7.1   1.8 16th 212.6
Maitland Airport AWS 20.7   25.7 25th 5.6   -0.3 16th 46.8
Mangrove Mountain AWS 18.2 +0.8 24.4 24th 5.6 -0.9 0.2 13th 175.0 60.2 high 291%
Merriwa (Roscommon) 19.3 +1.4 25.7 18th 2.2 -0.6 -4.5 15th 6.8 32.6 low 21%
Murrurundi (Haydon Street) 19.3 +2.3 27.0 18th 2.8 +0.3 -2.5 5th 7.0 60.8 v low 12%
Murrurundi Gap AWS 16.1 +1.6 21.7 18th 5.8 +0.1 -0.2 12th 2.6 38.6 v low 7%
Nelson Bay (Nelson Head) 19.3 +0.4 23.5 25th 10.5 +0.6 7.7 13th 82.6 101.5 average 81%
Newcastle Nobbys Signal Station AWS 19.4 +1.3 24.5 25th 10.0 +0.7 5.5 14th 95.4 72.7 high 131%
Newcastle University 20.8 +1.1 25.2 25th 7.5 -0.5 2.2 14th 73.3 58.3 high 126%
Norah Head AWS 19.2 +0.3 24.9 24th 10.3 -0.2 6.7 15th 150.6 70.6 high 213%
Paterson (Tocal AWS) 20.6 +1.2 26.3 25th 6.2 -0.4 -0.3 14th 53.0 37.3 high 142%
Scone Airport AWS 20.5 +1.8 27.1 18th 4.2 +0.6 -3.4 14th 16.6 35.1 average 47%
Singleton Defence AWS 20.7   26.2 25th 7.1   1.4 15th 22.0
Williamtown RAAF 20.1 +1.4 25.3 24th 6.8 -0.1 0.7 16th 98.6 73.2 high 135%
Central Tablelands (North) (district 62)
Mudgee Airport AWS 17.6 +1.3 24.6 18th -0.4 -1.9 -6.4 6th 10.6 34.3 low 31%
Nullo Mountain AWS 11.9 +1.0 17.4 18th 2.8 -0.2 -1.7 20th 11.8 52.4 v low 23%
Central Tablelands (South) (district 63)
Bathurst Agricultural Station 14.7 +1.7 21.2 18th -0.6 -1.8 -6.1 6th 18.0 49.1 low 37%
Bathurst Airport AWS 14.8 +1.0 21.7 18th -0.8 -2.0 -5.5 6th 13.2 39.0 low 34%
Katoomba (Farnells Rd) 12.6 +1.4 19.2 18th 2.4 -0.9 -1.6 13th 42.5 78.4 average 54%
Lithgow (Cooerwull) 12.4 -0.1 19.0 18th -0.3 -1.7 -6.7 14th 27.1 57.1 low 47%
Marrangaroo (Defence) 12.8   19.2 18th -2.1   -8.5 14th 24.8
Mount Boyce AWS 11.4 +0.1 18.5 18th 2.8 -0.2 -1.3 13th 29.2 53.8 average 54%
Oberon (Albion St) 10.4 0.0 15.8 18th -0.8 -1.2 -4.6 6th 19.9 74.0 v low 27%
Orange Airport AWS 11.8 +0.6 18.4 18th -0.5 -1.4 -5.2 14th 34.2 80.6 low 42%
Springwood (Valley Heights) 17.9 +0.1 23.3 24th 7.1 0.0 2.8 13th 15.4 52.7 average 29%
Central Western Slopes (North) (district 64)
Coonabarabran (Showgrounds) 18.5 +1.7 24.5 18th 0.2 -0.7 -5.1 6th 8.3 51.8 low 16%
Coonabarabran Airport AWS 17.4 +1.4 22.9 18th 6.4 +0.4 2.0 12th 6.6 34.6 low 19%
Dunedoo Post Office 19.1 +1.8 26.0 18th 1.2 -1.8 -3.5 14th 10.4 39.9 low 26%
Central Western Slopes (South) (district 65)
Cowra Airport AWS 16.1 +0.1 24.0 18th 0.8 -1.6 -3.8 6th 14.2 33.7 low 42%
Dubbo Airport AWS 19.0 +1.5 26.6 18th 1.5 -1.7 -4.0 6th 6.8 34.1 low 20%
Forbes Airport AWS 16.9 +0.4 26.0 18th 0.8 -1.8 -4.5 6th 13.0 32.7 low 40%
Parkes Airport AWS 16.7 +0.7 25.0 18th -0.3 -2.6 -4.5 6th 14.2 43.1 v low 33%
Wellington (D&J Rural) 18.4 +1.4 26.0 18th     -4.3 6th 13.1 48.5 low 27%
Metropolitan (East) (district 66)
Bankstown Airport AWS 19.6 +0.6 24.8 24th 6.0 0.0 0.5 24th 30.8 49.2 average 63%
Canterbury Racecourse AWS 19.2 +0.2 24.6 24th 6.1 -0.3 1.1 24th 41.6 61.4 average 68%
Holsworthy Aerodrome AWS 19.0   24.5 24th 5.8   0.0 24th 32.0
Parramatta North (Masons Drive) 19.5 +0.4 25.0 24th 6.2 -0.9 1.8 15th 54.0 55.3 high 98%
Sydney (Observatory Hill) 19.5 +1.6 25.5 24th 9.4 +0.4 6.4 15th 73.0 80.2 average 91%
Sydney Airport AMO 19.3 +0.9 25.9 24th 9.2 +1.0 6.1 24th 41.0 75.6 average 54%
Sydney Harbour (Wedding Cake West) 17.9 0.0 22.8 24th 10.8 -0.3 8.2 24th
Sydney Olympic Park AWS (Archery Centre) 19.8   25.7 24th 6.3   1.9 24th 55.2
Terrey Hills AWS 17.7 -0.1 24.1 24th 8.0 -0.4 4.2 20th 128.2 56.3 high 228%
Metropolitan (West) (district 67)
Badgerys Creek AWS 19.7 +0.5 24.9 24th 4.3 -0.4 -2.0 7th 17.0 34.7 average 49%
Horsley Park Equestrian Centre AWS 19.4 +0.4 24.7 16th 5.9 -0.5 0.7 15th 20.6 36.8 average 56%
Penrith Lakes AWS 20.5 +0.6 26.0 24th 5.2 -1.0 0.3 24th 9.6 28.5 low 34%
Richmond RAAF 20.3 +0.5 26.2 24th 3.8 -0.6 -3.3 15th 11.0 31.2 average 35%
Illawarra (district 68)
Albion Park (Wollongong Airport) 18.6 -0.2 24.5 24th 6.4 -0.1 -1.1 24th 37.2 52.7 average 71%
Bellambi AWS 17.8 -0.2 24.3 24th 10.0 -0.5 7.6 14th 85.6 90.6 high 94%
Camden Airport AWS 19.8 +0.7 25.3 24th 3.7 -0.2 -2.8 24th 18.4 40.2 average 46%
Campbelltown (Mount Annan) 19.6 +0.4 25.0 24th 4.5 0.0 -1.2 16th 18.0 37.2 average 48%
High Range AWS (Wanganderry) 12.7   18.2 18th 3.7   0.4 10th 22.4
Holsworthy Defence AWS 18.7   24.8 24th 6.1   1.7 15th 45.6
Jervis Bay (Point Perpendicular) 16.4 -0.5 21.8 16th 10.1 -0.1 7.7 1st 23.6 68.0 low 35%
Jervis Bay NSW (Jervis Bay Airfield AWS) 16.9   22.5 24th 7.7   3.6 14th 42.0
Kiama (Bombo Headland) 18.0 0.0 24.5 24th 10.3 -0.3 7.3 6th 45.8 66.6 average 69%
Moss Vale AWS 13.2 -0.2 18.2 18th 2.4 -0.5 -3.8 14th 23.6 46.9 average 50%
Nowra RAN Air Station AWS 18.0 -0.2 23.8 16th 7.0 +0.2 1.7 23rd 37.8 65.6 average 58%
South Coast (district 69)
Bega AWS 18.0 +0.1 23.2 18th 2.7 -0.4 -4.7 24th 1.0 30.7 lowest 3%
Braidwood Racecourse AWS 14.1 +0.6 21.3 18th 0.2 -0.4 -8.2 23rd 7.2 49.3 v low 15%
Green Cape AWS 15.7 -0.4 19.1 8th 8.9 -0.5 6.7 1st 4.8 34.4 v low 14%
Merimbula Airport AWS 17.0 -0.4 21.7 20th 4.9 +0.2 -1.3 24th 2.6 43.2 lowest 6%
Montague Island Lighthouse 16.5 +0.3 21.1 21st 10.9 +0.6 7.5 23rd 2.6 51.7 v low 5%
Moruya Airport AWS 17.9 -0.3 24.4 21st 4.4 +0.2 -0.5 13th 5.2 52.8 low 10%
Moruya Heads Pilot Station 17.2 0.0 23.4 21st 7.4 +0.9 3.2 23rd 6.6 54.6 low 12%
Narooma (Marine Rescue) 17.4 +0.5 22.5 21st 7.8 +0.4 2.7 24th 2.2 50.3 v low 4%
Nerriga AWS 14.2   21.6 18th 1.2   -5.4 23rd 16.4
Southern Tablelands (Goulburn-Monaro) (district 70)
Bombala (Therry Street) 14.0 +1.3 20.4 23rd -1.2 -1.0 -7.0 24th 13.8 39.7 low 35%
Bombala AWS 11.8 -0.4 18.4 18th -0.6 -0.9 -6.0 6th 16.2 26.6 average 61%
Canberra Airport 14.2 0.0 18.9 18th 0.1 -0.8 -5.2 23rd 17.8 41.0 v low 43%
Cooma Airport AWS 12.2 +0.3 18.1 18th -3.1 -1.6 -10.3 23rd 12.0 30.1 low 40%
Cooma Visitors Centre 13.6 +0.3 19.8 18th     -9.0 24th 16.8 26.9 average 62%
Goulburn Airport AWS 13.1 -0.3 20.8 18th 0.3 -0.2 -7.6 23rd 19.0 38.5 low 49%
Goulburn TAFE 12.6 -0.6 20.4 18th 2.2 0.0 -4.3 23rd 21.6 51.8 low 42%
Mount Ginini AWS 4.0 0.0 8.8 3rd -2.6 -0.5 -6.7 10th 54.4 85.9 low 63%
Taralga Post Office 12.0 +0.1 20.0 18th -0.4 -1.6 -7.0 11th 34.6 67.2 low 51%
Tuggeranong (Isabella Plains) AWS 14.1 0.0 17.9 25th 0.4 -0.5 -5.9 24th 18.6 45.9 v low 41%
Southern Tablelands (Snowy Mountains) (district 71)
Perisher Valley AWS 3.7   8.7 31st -4.7   -12.0 30th 196.0
Thredbo AWS 0.8 +0.3 6.8 31st -5.0 -0.1 -9.6 30th 40.6 118.7 low 34%
Thredbo Village 6.5 -0.1 13.0 31st -3.8 -1.3 -7.0 5th 71.5 192.2 v low 37%
Southwest Slopes (South) (district 72)
Cabramurra SMHEA AWS 5.0 +0.2 9.9 31st -1.5 -1.0 -4.6 10th 87.0 127.7 low 68%
Hume Reservoir 13.9 -0.3 18.2 18th 3.4 -1.5 -0.4 13th 32.6 75.5 low 43%
Khancoban AWS 12.8 -0.8 17.6 31st 1.4 -1.1 -2.6 23rd 77.2 104.2 low 74%
Tumbarumba Post Office 12.4 +0.2 17.0 18th 0.0 -0.9 -4.2 6th 60.2 106.3 low 57%
Wagga Wagga AMO 14.1 -0.4 21.0 18th 1.1 -2.4 -2.8 26th 14.2 50.2 low 28%
Southwest Slopes (North) (district 73)
Burrinjuck Dam 13.7 +0.3 18.4 18th 1.8 -1.9 -4.0 6th 57.6 97.8 low 59%
Cootamundra Airport 14.0 -0.6 20.6 18th -0.4 -1.8 -4.7 23rd 20.9 52.7 low 40%
Grenfell (Manganese Rd) 15.1 +0.3 23.4 18th 0.8 -3.1 -3.2 6th 16.4 55.1 low 30%
Gundagai (Nangus Rd) 14.4 -0.6 19.8 18th 1.9 -1.1 -2.0 6th 20.7 54.8 low 38%
Temora Airport 15.2 -0.2 23.5 18th -0.2 -2.1 -5.3 26th 11.6 33.7 low 34%
Young Airport 14.6 0.0 22.1 18th -0.5 -1.7 -5.3 6th 15.6 48.9 low 32%
Riverina (East) (district 74)
Corowa Airport 14.1 -0.9 19.0 18th     -1.5 23rd 19.3 53.0 low 36%
Kapooka (Defence) 14.3   20.6 18th 0.9   -3.7 26th 19.4
Narrandera Airport AWS 15.8 -0.3 23.1 18th 1.6 -2.1 -2.7 13th 11.0 38.8 low 28%
Tocumwal Airport 14.5 -1.2 19.8 24th 3.4 -0.9 0.0 6th 16.7 42.8 low 39%
Yanco Agricultural Institute 15.8 -0.5 23.7 18th 3.3 -2.1 -0.9 2nd 13.2 35.3 low 37%
Riverina (West) (district 75)
Griffith Airport AWS 16.4 -0.1 24.8 18th 1.4 -2.4 -2.5 23rd 10.8 34.8 low 31%
Hay Airport AWS 16.8 -0.9 25.4 18th 3.0 -1.2 -2.3 23rd 8.4 21.7 low 39%
Hillston Airport 17.5 +0.4 26.6 18th 2.9 -2.0 -1.5 2nd 4.2 30.7 v low 14%
Lake Cargelligo Airport 17.5 -0.1 27.2 18th 4.5 -0.1 1.1 5th 9.2 33.2 low 28%
Note: From 2017, information about Lord Howe and Norfolk Islands can be found in the climate summary for the Remote Islands and Antarctica

Notes

The Monthly climate summary, generally published on the first working day of each month, lists 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. 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 10 am on Monday 2 September 2019. 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.

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