New South Wales in May 2018: below average rainfall and warm days

Rainfall during May was below average in all districts except parts of the Southern Tablelands. Overall, the mean temperature was slightly warmer than average, with daytime temperatures warmer than average and overnight temperatures slightly cooler than average.

Much drier than average

  • Rainfall during May was 75% below average, making it the seventh-driest on record and driest May since 2006
  • May continued a run of five consecutive drier than average months for New South Wales as a whole
  • Most of northern New South Wales received less than 20% of its May monthly average rainfall
  • During the third week of May, a strong high pressure system centred south of Australia blocked cold fronts from affecting New South Wales and maintained cool and dry conditions over the State
  • Numerous sites had either their lowest total May rainfall on record or their lowest total May rainfall for at least 20 years

Warmer than average days, slightly cooler than average nights

  • The mean temperature for New South Wales as a whole was 0.48 °C warmer than average
  • Mean maximum temperatures were warmer than average throughout the State, including areas of very much above average in southern and eastern districts
  • The mean maximum temperature for the State as a whole was 1.31 °C warmer than average
  • Overnight temperatures across New South Wales were average to cooler than average, with the State's overall mean minimum temperature for May 0.34 °C below average
  • A complex low pressure system brought cold temperatures on 11 May across much of southeastern Australia, including New South Wales
  • There were sheep graziers' warnings issued for parts of inland New South Wales for cold temperatures, rain, and westerly winds, with several centimetres of snow reported in the Central Tablelands and the alpine resorts
  • Snow also fluttered down on the runway at Orange Airport during the morning of the 11th
  • Several sites along the South Coast recorded wind gusts in excess of 100 km/h on the morning of the 12th
  • On the 3rd, many sites had their highest May temperature on record
  • On the 4th, some sites had their warmest May night on record
  • Bega AWS had a mean minimum temperature of 4.2 °C, its lowest May mean daily minimum temperature on record, however the old Bega (Newtown Road) site had several colder Mays in earlier years including a mean minimum of 2.1 °C in May 1917

Further information

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Extremes in May 2018
Hottest day 31.0 °C at Wanaaring Post Office on the 3rd
Warmest days on average 25.2 °C at Mungindi Post Office
Coolest days on average 5.6 °C at Thredbo AWS
Coldest day -2.3 °C at Thredbo AWS on the 31st
Coldest night -6.7 °C at Perisher Valley AWS on the 25th
-6.7 °C at Glen Innes Airport AWS on the 31st
Coolest nights on average -1.5 °C at Perisher Valley AWS
Warmest nights on average 15.0 °C at Byron Bay (Cape Byron AWS)
Warmest night 20.1 °C at Bellambi AWS on the 4th
Warmest on average overall 18.9 °C at South West Rocks (Smoky Cape Lighthouse)
Coolest on average overall 2.6 °C at Thredbo AWS
Wettest overall 163.6 mm at Thredbo Village
Driest overall 0 mm at several locations
Wettest day 113.6 mm at Smiths Lake (Patsys Flat Road) on the 14th
Strongest wind gust 115 km/h at Thredbo AWS on the 3rd
115 km/h at Montague Island Lighthouse on the 12th

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 May total rainfall
New record
(mm)
Old
record
Years of
record
Average for
May
Paterson (Tocal AWS) 3.4 3.8 in 1982 51 69.6
Millbank 2.0 10.0 in 2012 26 75.5
Inverell (Raglan St) 0.0 1.2 in 2003 24 35.1
Moree Aero 0.0 1.0 in 2006 24 27.9
Penrith Lakes AWS 3.2 4.0 in 2014 23 36.0

Lowest May total rainfall for at least 20 years
Observed
(mm)
Most recent
lower
Average for
May
Nana Glen (Cowling Close) 11.8 10.0 in 1975 109.4
Kunghur (The Junction) 10.0 7.6 in 1970* 122.4
Lostock Dam 7.2 =7.2 in 1982 70.1
Nerriga Composite 7.0 2.4 in 1982* 59.5
Glen Innes Ag Research Stn 4.2 4.0 in 1994* 48.1
Putty Tea Rooms 7.2 6.9 in 1970* 39.3

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




Record highest May temperature
New record
(°C)
Old
record
Years of
record
Average for
May
Wagga Wagga AMO 28.7 on the 3rd 27.4 on the 4th in 1988 77 17.4
Hillston Airport 30.0 on the 3rd = 30.0 on the 3rd in 1978 60 19.3
Tumbarumba Post Office 24.0 on the 3rd 23.8 on the 2nd in 1988 53 15.2
Wellington (D&J Rural) 27.5 on the 7th = 27.5 on the 3rd in 2007 53 19.8
Hume Reservoir 28.2 on the 3rd 27.4 on the 1st in 1988 52 16.7
Corowa Airport 28.9 on the 3rd 28.4 on the 1st in 1997 43 17.8
Griffith Airport AWS 29.8 on the 3rd 28.6 on the 2nd in 1978 43 19.3
Bega AWS 29.7 on the 3rd 28.1 on the 15th in 2016 27 19.4
Braidwood Racecourse AWS 23.9 on the 3rd 23.6 on the 4th in 1997 27 15.9
Goulburn Airport AWS 24.4 on the 3rd = 24.4 on the 4th in 1997 27 15.9
Young Airport 27.1 on the 3rd 25.4 on the 6th in 1997 27 17.8
Albury Airport AWS 28.8 on the 3rd 26.8 on the 1st in 1997 26 17.6
Richmond RAAF 29.0 on the 3rd 28.5 on the 17th in 2016* 25 20.8
Cootamundra Airport 27.0 on the 3rd 26.3 on the 1st in 1997 23 17.6
Forbes Airport AWS 27.7 on the 3rd 27.3 on the 2nd in 2000 23 19.5
Narrandera Airport AWS 30.4 on the 3rd 28.5 on the 2nd in 1978 23 18.9
Orange Airport AWS 21.5 on the 3rd = 21.5 on the 1st in 2013 23 14.1
Gundagai (Nangus Rd) 26.5 on the 3rd = 26.5 on the 4th in 1997 22 17.7
Khancoban AWS 25.4 on the 3rd 23.6 on the 6th in 2005 22 16.0
Parkes Airport AWS 27.0 on the 3rd = 27.0 on the 6th in 2005 21 19.0
West Wyalong Airport AWS 28.3 on the 3rd 27.0 on the 14th in 2001 20 19.0

* The previous site at Richmond recorded a higher temperature of 30.0 °C on 3 May 1958




Record highest May daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
May
Gulgong Post Office 17.1 on the 4th 16.4 on the 9th in 2016 46 6.3
Ulladulla AWS 19.0 on the 4th 18.3 on the 20th in 2014 27 11.8
Mangrove Mountain AWS 18.4 on the 4th 18.0 on the 4th in 2007 24 9.1
Bellambi AWS 20.1 on the 4th 19.0 on the 4th in 2000 22 13.1



Record lowest May mean daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
May
Bega AWS 4.2 4.6 in 2012 26 5.7



Summary statistics for May 2018
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
May
2018
Diff
from
average
Highest for
May
2018
Mean for
May
2018
Diff
from
average
Lowest for
May
2018
Total for
May
2018
Average
for
May
Rank of
May
2018
Fraction of
May
average
Western (Far Northwest) (district 46)
Fowlers Gap AWS 21.1 -0.1 28.7 3rd 6.8 -1.3 0.7 31st 1.6 17.0 average 9%
Smithville AWS 22.1   29.8 3rd 7.1   -0.6 31st 1.2
Tibooburra Airport 22.3 -0.1 30.3 3rd 9.6 -0.7 4.8 31st 1.0 14.5 low 7%
White Cliffs AWS 21.6 0.0 29.8 3rd 9.1 -0.6 2.0 31st 1.2 18.6 low 6%
Wilcannia Aerodrome AWS 21.5 -0.1 29.8 3rd 6.7 -0.7 1.9 17th 1.4 19.3 low 7%
Western (Lower Darling) (district 47)
Broken Hill Airport AWS 19.3 +0.1 27.4 3rd 7.0 -0.9 2.3 17th 5.2 20.2 low 26%
Lake Victoria Storage 19.6 +0.5 25.7 2nd 7.3 -0.5 2.0 17th 12.9 23.7 average 54%
Menindee Post Office 21.0 +0.2 28.5 2nd 7.5 0.0 3.1 31st 6.8 22.5 average 30%
Mulurulu AWS 20.1   27.7 2nd 6.4   1.1 26th 15.0
Pooncarie Mail Agency 20.5 -0.6 27.8 2nd 7.2 -0.3 3.0 25th 7.0 25.8 average 27%
Western (Upper Darling) (district 48)
Bourke Airport AWS 23.4 +0.6 29.5 2nd 8.6 +0.2 0.2 31st 11.0 24.2 average 45%
Brewarrina Hospital 23.6 +1.1 29.5 2nd 8.8 +0.3 3.2 31st 2.6 30.6 low 8%
Cobar Airport AWS 21.5 +1.0 28.9 3rd 6.4 -0.4 -0.6 18th 1.8 27.9 v low 6%
Cobar MO 21.4 +1.3 28.5 3rd 8.7 -0.3 2.6 31st 1.4 33.1 v low 4%
Collarenebri (Albert St) 24.0 +1.1 28.6 3rd 8.1 -0.3 3.4 18th 0 34.6 lowest 0%
Lightning Ridge Visitor Information Cent 23.2 0.0 28.6 4th 9.3 +0.2 3.2 31st 0 25.0 lowest 0%
Noona AWS 21.2   29.0 3rd 8.9   3.8 18th 1.6
Wanaaring (Delta AWS) 23.0   30.0 3rd 8.0   -0.8 31st 0.4
Wanaaring Post Office 23.2 +0.4 31.0 3rd 7.7 -0.8 0.2 31st 0.4 24.2 low 2%
Western (Southwest Plains) (district 49)
Balranald (RSL) 19.9 +0.5 28.0 3rd 7.1 +0.3 1.3 17th 16.2 31.2 average 52%
Euabalong (Mount Hope AWS) 20.3   29.1 3rd 4.7   -0.9 17th 11.8
Ivanhoe Aerodrome AWS 20.9 +0.4 29.2 3rd 7.8 -0.4 3.0 25th 5.8 19.9 low 29%
Central Western Plains (South) (district 50)
Condobolin Ag Research Stn 20.6 +1.0 28.1 3rd 5.6 -1.0 -0.2 15th 15.5 35.2 low 44%
Condobolin Airport AWS 20.5 +0.8 28.6 3rd 5.6 -0.2 0.2 17th 16.8 30.9 average 54%
Peak Hill Post Office 21.1 +1.0 27.3 3rd 8.1 -0.6 1.9 21st 8.0 44.3 low 18%
West Wyalong Airport AWS 19.0 0.0 28.3 3rd 6.0 +0.3 2.2 15th 23.0 31.0 average 74%
Central Western Plains (North) (district 51)
Coonamble Airport AWS 22.4 +0.8 27.3 3rd 7.7 +0.4 2.0 31st 1.8 34.9 low 5%
Nyngan (Girilambone (Okeh) AWS) 22.0   28.0 8th 8.7   3.5 31st 11.4
Nyngan Airport 21.7 +1.0 28.0 3rd 8.1 +0.3 3.8 31st 7.0 35.8 low 20%
Trangie Research Station AWS 21.7 +1.8 27.4 3rd 7.4 +0.2 1.9 18th 14.2 36.4 average 39%
Walgett (Brewon AWS) 22.7   28.2 2nd 7.7   -0.2 31st 2.0
Northwest Plains (West) (district 52)
Mungindi Post Office 25.2 +2.0 29.8 3rd 8.3 -0.5 3.6 16th 0 34.2 lowest 0%
Walgett Airport AWS 23.4 +0.7 28.1 3rd 7.2 0.0 1.3 17th 0.8 29.5 low 3%
Northwest Plains (East) (district 53)
Moree Aero 23.8 +1.3 29.3 10th 8.0 -0.2 2.0 31st 0 27.9 lowest 0%
Northwest Slopes (North) (district 54)
Barraba Post Office 22.8 +2.3 26.5 4th     -2.5 21st 1.6 42.1 v low 4%
Narrabri Airport AWS 23.3 +0.8 28.6 10th 6.8 -0.6 -1.5 31st 0.6 23.6 low 3%
Northwest Slopes (South) (district 55)
Gunnedah Airport AWS 22.7 +0.9 27.0 10th 5.3 -0.2 -0.4 31st 0.8 25.4 low 3%
Gunnedah Resource Centre 22.1 +1.7 26.8 4th 8.3 -0.4 4.1 31st 0 43.3 lowest 0%
Quirindi Post Office 22.3 +1.8 26.5 6th 7.2 +2.1 1.8 31st 5.5 43.8 v low 13%
Tamworth Airport AWS 22.0 +1.2 26.7 4th 4.7 -1.3 -2.1 31st 1.6 29.1 low 5%
Woolbrook (Danglemah Road) 17.7 +0.7 22.2 5th 1.1 -0.8 -5.3 21st 2.7 45.8 v low 6%
Northern Tablelands (West) (district 56)
Armidale (Tree Group Nursery) 17.5 +0.9 21.4 2nd 1.0 -1.1 -4.3 16th 7.6 31.3 v low 24%
Armidale Airport AWS 16.6 +0.8 20.5 3rd 3.4 -1.0 -2.1 31st 13.4 40.3 low 33%
Glen Innes Ag Research Stn 18.2 +1.8 22.0 5th 3.5 -1.0 -0.5 19th 4.2 48.1 v low 9%
Glen Innes Airport AWS 17.9 +1.0 22.1 5th 1.0 -1.1 -6.7 31st 5.4 44.3 v low 12%
Guyra Hospital 15.3 +0.8 19.7 5th 2.7 -1.3 -3.0 31st 9.4 52.4 v low 18%
Inverell (Raglan St) 21.8 +1.3 25.2 5th 2.3 -1.1 -3.0 21st 0 35.1 lowest 0%
Inverell Research Centre 21.0 +1.8 24.9 4th 6.0 -1.5 0.3 21st 0 47.9 lowest 0%
Tenterfield (Federation Park) 18.6 +0.6 23.8 4th 2.4 -2.4 -6.2 21st 0 48.4 lowest 0%
Northern Tablelands (East) (district 57)
Tabulam (Muirne) 20.2 +1.1 24.7 4th 10.6 -0.3 6.2 31st 13.6 95.6 v low 14%
Upper North Coast (district 58)
Ballina Airport AWS 22.9 +0.4 26.6 10th 12.3 +0.2 7.7 22nd 109.0 158.1 low 69%
Byron Bay (Cape Byron AWS) 21.7 +0.3 26.1 10th 15.0 -0.1 10.4 31st 56.8 90.4 low 63%
Casino Airport AWS 24.0 +0.9 28.7 4th 9.3 -1.3 3.9 22nd 31.6 86.6 average 36%
Evans Head RAAF Bombing Range AWS 22.6 +0.5 28.2 4th 13.5 +0.2 9.1 12th 77.2 100.3 average 77%
Grafton Airport AWS 23.5 +0.3 27.7 4th 9.0 -0.1 2.8 22nd 5.8 75.0 v low 8%
Grafton Research Stn 24.1 +1.1 28.2 4th 10.7 +0.3 4.6 22nd 10.0 70.6 low 14%
Lismore Airport AWS 23.6 +0.2 28.2 4th 9.3 -0.6 3.4 31st 39.6 68.7 average 58%
Murwillumbah (Bray Park) 24.0 +0.4 28.0 4th 12.1 -0.4 6.2 22nd 18.5 130.1 low 14%
Yamba Pilot Station 22.8 +1.0 27.7 4th 13.4 +0.1 9.5 31st 76.2 154.6 low 49%
Lower North Coast (district 59)
Coffs Harbour Airport 22.5   27.9 4th 11.6   4.8 22nd 22.4
Dorrigo (Old Coramba Rd) 17.7 +0.6 23.0 10th 7.7 +0.3 2.0 22nd 11.0 87.9 v low 13%
Kempsey Airport AWS 22.9 +0.4 26.8 4th 8.3 -0.4 2.9 22nd 2.8 64.8 low 4%
South West Rocks (Smoky Cape Lighthouse) 22.9 +1.4 27.0 4th 14.9 +0.6 10.6 31st 16.2 129.5 v low 13%
Manning (district 60)
Forster - Tuncurry Marine Rescue 21.5 +0.3 24.5 9th 11.8 -0.2 8.5 21st 34.8 115.4 low 30%
Port Macquarie Airport AWS 22.2 +0.6 25.9 4th 9.9 -0.5 4.7 22nd 18.0 110.2 low 16%
Taree Airport AWS 21.5 0.0 26.2 3rd 9.5 -0.6 5.3 22nd 18.8 87.5 low 21%
Yarras (Mount Seaview) 21.7 +0.4 26.7 3rd 8.7 -0.7 4.2 22nd 16.4 126.0 v low 13%
Hunter (district 61)
Cessnock Airport AWS 22.1 +1.4 28.4 4th 5.6 -1.9 -0.1 18th 7.0 39.7 v low 18%
Cooranbong (Lake Macquarie AWS) 22.0   28.0 4th 7.1   2.7 18th 14.0 44.2 low 32%
Gosford AWS 21.3   27.4 4th 9.8   6.0 18th 17.8
Maitland Airport AWS 21.7   27.4 4th 7.9   3.6 6th 6.0
Mangrove Mountain AWS 20.4 +1.7 25.9 3rd 7.7 -1.4 3.6 20th 15.0 80.6 v low 19%
Merriwa (Roscommon) 20.9 +1.1 26.9 3rd 4.8 -0.5 -0.4 6th 11.4 38.0 low 30%
Murrurundi Gap AWS 17.6 +0.8 22.5 3rd 7.9 -0.3 2.2 31st 4.6 33.8 v low 14%
Nelson Bay (Nelson Head) 21.0 +0.2 24.8 10th 13.4 +1.0 8.0 11th 80.1 150.1 average 53%
Newcastle Nobbys Signal Station AWS 20.9 +0.9 27.2 4th 12.2 +0.2 8.7 31st 9.6 115.0 v low 8%
Newcastle University 21.8 +0.7 27.3 4th 10.0 -0.5 6.2 6th 17.2 87.6 v low 20%
Norah Head AWS 21.3 +1.1 27.5 4th 12.8 -0.3 9.4 31st 23.4 132.8 low 18%
Paterson (Tocal AWS) 21.6 +0.8 27.1 3rd 8.7 -0.9 4.7 6th 3.4 69.6 lowest 5%
Scone Airport AWS 21.9 +1.5 28.0 4th 5.8 -0.8 1.5 6th 12.0 35.8 v low 34%
Singleton (Defence) 22.1   28.1 4th 8.9   5.5 27th 9.6
Singleton STP 22.5 +1.0 28.6 3rd 6.9 0.0 1.9 18th 10.0 27.8 low 36%
Williamtown RAAF 21.3 +0.9 27.6 4th 9.5 -0.6 5.8 24th 21.0 109.6 low 19%
Central Tablelands (North) (district 62)
Gulgong Post Office 20.4 +1.3 26.0 3rd 5.7 -0.6 0.9 18th 16.0 44.9 low 36%
Mudgee Airport AWS 19.7 +1.1 25.0 3rd 2.8 -1.3 -2.5 18th 16.2 37.9 average 43%
Nullo Mountain AWS     19.5 3rd 5.3 -0.4 0.5 20th 22.8 56.1 low 41%
Central Tablelands (South) (district 63)
Bathurst Agricultural Station 17.0 +1.3 23.1 3rd 2.7 -0.6 -2.0 18th 15.8 41.1 low 38%
Bathurst Airport AWS 17.2 +0.9 24.0 3rd 2.3 -0.8 -1.8 27th 15.0 32.5 low 46%
Lithgow (Cooerwull) 15.9 +1.0 21.8 3rd 1.8 -1.5 -3.3 15th 13.5 51.2 low 26%
Marrangaroo (Defence) 16.1   21.7 3rd -0.2   -5.5 15th 15.2
Mount Boyce AWS 14.8 +1.3 21.0 3rd 5.5 -0.6 -0.1 11th 11.8 53.7 low 22%
Oberon (Springbank) 14.5 +1.4 20.2 3rd 2.1 -0.5 -1.7 15th 33.1 59.7 average 55%
Orange Airport AWS 14.7 +0.6 21.5 3rd 2.7 +0.2 -1.3 15th 37.0 48.2 average 77%
Springwood (Valley Heights) 20.4 +1.0 24.8 3rd 9.7 +0.3 5.2 20th 4.0 70.9 v low 6%
Central Western Slopes (North) (district 64)
Coonabarabran (Showgrounds) 20.9 +1.6 25.1 9th 3.6 +0.3 -1.8 16th 3.5 53.1 v low 7%
Coonabarabran Airport AWS 19.0 +0.7 23.4 3rd 8.4 -0.2 3.7 11th 14.4 32.6 low 44%
Dunedoo Post Office 20.5 +1.0 26.5 3rd 5.4 -0.8 -0.7 20th 16.2 43.9 low 37%
Central Western Slopes (South) (district 65)
Cowra Airport AWS 19.0 0.0 27.4 3rd 4.7 +0.2 0.6 20th 31.4 30.6 average 103%
Dubbo Airport AWS 21.2 +1.2 27.4 3rd 6.0 -0.5 -0.2 18th 13.0 39.9 average 33%
Forbes Airport AWS 19.7 +0.2 27.7 3rd 4.8 -0.6 0.0 20th 23.8 33.1 average 72%
Parkes Airport AWS 19.6 +0.6 27.0 3rd 4.9 -0.2 -1.0 20th 21.2 47.0 low 45%
Wellington (D&J Rural) 21.9 +2.1 27.5 7th 5.1 -0.6 -1.1 20th 16.2 47.0 low 34%
Metropolitan (East) (district 66)
Bankstown Airport AWS 22.5 +2.0 28.0 3rd 8.5 -1.0 4.4 20th 11.4 64.7 low 18%
Canterbury Racecourse AWS 21.8 +1.2 27.6 3rd 8.5 -0.8 4.1 31st 13.4 75.1 low 18%
Holsworthy Aerodrome AWS 21.7   28.3 3rd 7.8   3.3 18th 13.6
Parramatta North (Masons Drive) 22.4 +1.8 28.0 3rd 8.8 -1.1 5.2 20th 8.8 67.2 v low 13%
Sydney (Observatory Hill Comparison) 22.2   27.0 4th 11.8   8.8 20th 23.2
Sydney (Observatory Hill) 21.7 +2.2 26.8 4th 11.9 +0.3 9.2 20th 23.2 118.0 low 20%
Sydney Airport AMO 21.8 +1.7 28.6 4th 11.8 +0.8 8.2 31st 17.0 96.0 low 18%
Sydney Harbour (Wedding Cake West) 20.1 +0.1 26.6 4th 13.4 -0.1 10.4 11th
Sydney Olympic Park AWS (Archery Centre) 22.1   28.5 3rd 9.4   5.5 31st 11.8
Terrey Hills AWS 20.0 +0.5 26.5 4th 10.5 -0.2 5.7 31st 26.8 51.1 average 52%
Metropolitan (West) (district 67)
Badgerys Creek AWS 22.0 +1.3 27.1 3rd 7.1 -0.6 2.5 18th 8.2 37.0 low 22%
Horsley Park Equestrian Centre AWS 21.9 +1.4 27.5 3rd 8.3 -0.8 3.5 20th 11.4 43.5 low 26%
Penrith Lakes AWS 22.8 +1.7 29.2 3rd 8.2 -1.1 3.8 31st 3.2 36.0 lowest 9%
Prospect Reservoir 21.6 +1.2 27.3 3rd 8.7 -1.2 4.4 20th 1.2 69.4 lowest 2%
Richmond RAAF 22.7 +1.9 29.0 3rd 6.3 -1.3 0.3 20th 4.2 44.3 v low 9%
Illawarra (district 68)
Albion Park (Wollongong Airport) 21.2 +0.6 26.7 4th 8.1 -0.7 3.8 26th 12.8 55.8 low 23%
Bellambi AWS 20.5 +0.7 27.0 4th 12.9 -0.2 8.6 11th 8.2 80.3 low 10%
Camden Airport AWS 22.2 +1.6 27.4 3rd 6.0 -1.0 0.4 20th 3.0 53.0 v low 6%
Campbelltown (Mount Annan) 22.3 +1.2 27.8 3rd 6.8 -0.4 1.6 20th 4.8 36.1 v low 13%
Holsworthy (Defence) 21.4   27.7 3rd 8.2   3.8 20th 25.6
Jervis Bay (Point Perpendicular) 19.4 +0.6 25.4 3rd 12.7 0.0 9.1 11th 71.8 108.4 average 66%
Kiama (Bombo Headland) 20.3 +0.5 26.1 4th 12.7 -0.4 8.8 11th 16.6 42.7 average 39%
Moss Vale AWS 16.6 +1.1 23.2 3rd 4.7 0.0 -1.0 17th 19.2 40.0 low 48%
Nowra RAN Air Station AWS 21.0 +1.4 27.0 3rd 9.1 -0.1 5.4 18th 21.8 49.4 low 44%
South Coast (district 69)
Bega AWS 20.7 +1.3 29.7 3rd 4.2 -1.5 -0.6 27th 28.6 41.7 average 69%
Braidwood Racecourse AWS 17.4 +1.5 23.9 3rd 2.2 -0.5 -3.9 27th 8.8 40.5 low 22%
Green Cape AWS 18.1 -0.1 22.9 6th 12.0 -0.2 8.1 11th 31.2 45.5 average 69%
Merimbula Airport AWS 20.0 +0.8 27.2 3rd 6.9 -0.7 2.7 27th 37.8 49.2 average 77%
Montague Island Lighthouse 19.3 +1.1 23.7 4th 13.4 +0.2 10.2 11th 33.6 74.0 average 45%
Moruya Airport AWS 20.5 +0.8 28.7 3rd 6.8 -0.3 2.5 11th 15.6 42.7 low 37%
Moruya Heads Pilot Station 20.0 +0.9 27.3 3rd 9.7 +0.4 6.0 17th 16.2 81.9 low 20%
Narooma (Marine Rescue) 20.0 +1.1 24.5 3rd 10.2 0.0 7.0 31st 28.1 76.0 average 37%
Nerriga AWS 17.3   24.8 3rd 3.7   -1.9 27th 8.0
Ulladulla AWS 19.8 +0.7 25.1 7th 11.9 +0.1 8.3 11th 35.8 96.7 low 37%
Southern Tablelands (Goulburn-Monaro) (district 70)
Bombala (Therry Street) 16.5 +1.7 25.1 1st 1.5 -0.5 -4.0 7th 52.2 42.9 high 122%
Canberra Airport 17.5   24.5 3rd 2.2   -2.4 27th 15.0 24.4 average 61%
Cooma Airport AWS 14.5 +0.3 22.1 1st 0.3 -0.3 -5.6 26th
Cooma Visitors Centre 16.1 +0.5 23.2 1st -0.8 -1.5 -6.0 27th 18.6 29.5 average 63%
Goulburn Airport AWS 16.8 +0.9 24.4 3rd 2.2 -0.3 -4.4 27th 15.4 32.1 low 48%
Goulburn TAFE 16.7 +0.8 24.2 3rd 4.3 -0.3 -0.8 16th 18.2 40.7 low 45%
Mount Ginini AWS 8.0 +0.3 14.8 1st 1.2 +0.1 -5.1 11th 45.2 57.1 average 79%
Taralga Post Office 16.3 +1.9 24.0 3rd 2.7 -0.5 -2.5 27th 27.7 58.8 average 47%
Tuggeranong (Isabella Plains) AWS 17.3 +0.7 24.1 3rd 1.8 -0.8 -3.0 15th 10.0 23.4 low 43%
Southern Tablelands (Snowy Mountains) (district 71)
Perisher Valley AWS 8.3   16.7 1st -1.5   -6.7 25th 112.8
Thredbo AWS 5.6 +0.6 13.5 1st -0.6 +0.7 -6.1 12th 118.0 116.4 average 101%
Thredbo Village 10.3 +0.3 16.0 3rd -1.3 -0.9 -6.0 21st 163.6 152.7 average 107%
Southwest Slopes (South) (district 72)
Albury Airport AWS 18.5 +0.9 28.8 3rd 4.8 -0.7 1.0 15th 32.0 49.9 average 64%
Cabramurra SMHEA AWS 8.4 -0.2 15.2 3rd 2.6 -0.2 -3.3 11th 98.2 90.3 average 109%
Hume Reservoir 17.9 +1.2 28.2 3rd 6.7 -0.3 1.4 17th 34.4 58.7 average 59%
Khancoban AWS 16.1 +0.1 25.4 3rd 3.8 -0.4 -0.1 17th
Tumbarumba Post Office 15.7 +0.5 24.0 3rd 1.7 -0.7 -2.9 17th 62.6 82.2 average 76%
Wagga Wagga AMO 18.4 +1.0 28.7 3rd 5.8 -0.1 0.2 20th 35.8 50.6 average 71%
Southwest Slopes (North) (district 73)
Burrinjuck Dam 17.3 +1.1 27.0 3rd 5.4 -1.0 2.2 17th 44.4 80.1 average 55%
Cootamundra Airport 17.6 0.0 27.0 3rd 3.0 -0.4 -1.5 15th 30.4 35.4 average 86%
Grenfell (Manganese Rd) 18.3 +0.5 26.2 3rd 4.9 -1.3 0.7 16th 57.8 49.6 average 117%
Gundagai (Nangus Rd) 18.4 +0.7 26.5 3rd 3.9 -1.1 -2.0 15th 31.4 37.0 average 85%
Temora Airport 18.9 +0.1 27.9 3rd 4.0 -0.2 -0.6 20th 25.8 27.7 average 93%
Young Airport 17.9 +0.1 27.1 3rd 2.6 -0.7 -2.3 20th 45.4 40.7 average 112%
Riverina (East) (district 74)
Corowa Airport 18.7 +0.9 28.9 3rd     -0.2 18th 37.3 47.0 average 79%
Deniliquin Airport AWS 19.3 +0.7 26.7 3rd 5.8 -0.3 0.3 17th 19.0 27.0 average 70%
Kapooka (Defence) 18.4   28.5 3rd 5.6   -0.4 17th 34.4
Narrandera Airport AWS 19.6 +0.7 30.4 3rd 6.1 -0.4 0.2 17th 31.4 39.5 average 79%
Yanco Agricultural Institute 19.4 +0.3 29.6 3rd 7.6 -0.1 1.8 17th 23.2 35.9 average 65%
Riverina (West) (district 75)
Griffith Airport AWS 19.9 +0.6 29.8 3rd 6.0 -1.1 -0.1 17th 19.0 35.1 average 54%
Hay Airport AWS 20.3 +0.5 29.1 3rd 6.3 -0.2 -0.1 25th 14.6 27.6 average 53%
Hillston Airport 20.6 +1.3 30.0 3rd 6.3 -1.0 1.2 25th 12.0 32.2 low 37%
Lake Cargelligo Airport 20.6 +0.4 29.7 3rd 7.3 +0.2 3.1 18th 18.6 35.9 average 52%
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 9 am on Friday 1 June 2018. 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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