NSW in May 2012: Dry days and cold nights in NSW

  • Less than half the average rainfall
  • Warmer than average maximum temperatures
  • 3rd coldest minimum temperatures on record

Rainfall

NSW recorded a statewide average rainfall of 20.3 mm during May, well below the historical average of 47.1 mm and the driest May since 2008. Western NSW was particularly dry during the month, with no rain at all in areas including Menindee and Broken Hill. Conditions were also very dry east of the Great Dividing Range, with parts of the Hunter Valley experiencing their driest May on record. In contrast, rainfall was close to average in eastern NSW west of the divide, although only small areas were above average. These regions experienced light rain on the 2nd and 3rd as a front crossed the state, with widespread totals of 25-50 mm associated with a surface low pressure trough later in the month, reaching 60 mm at Dubbo on the 25th.

Some sites had their lowest total May rainfall on record. Some sites had their highest May daily rainfall on record. See a map of rainfall deciles.

Temperature

The average maximum temperature across NSW during May was 20.0 °C, 0.6 °C above the historical average, associated with generally clear, dry conditions during the month. Days were generally above average across the state, with warmest conditions in the west and cooler conditions in the southeast. Temperatures were particularly warm between the 8th and 11th with much of the state more than 6 °C above normal, including the warmest day on record at Wanaaring.

The average minimum temperature during May was 5.0 °C, 2.5 °C below the historical average. This is the 3rd coldest May for minimum temperatures since records began in 1950, and the coolest since 2006. Nights were colder than average across the state, associated with generally clear conditions during the month, with particularly cool nights in central NSW. Several stations broke records for average minimum temperatures during the month, including Grenfell and Bathurst with more than 90 years of record.

The mean temperature for NSW was consequently 0.9 °C below average at 12.5 °C, warmer than May 2011 (12.1 °C) but the 13th coldest on record.

Some sites had their highest May temperature on record. Some sites had their lowest May temperature on record. Some sites had their warmest May night (highest daily minimum temperature) on record. Some sites had their lowest May mean daily minimum temperature on record.

See a map of maximum temperature anomalies. See a map of minimum temperature anomalies.

Further information

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Extremes in May 2012
Hottest day 32.9 °C at Wanaaring Post Office on the 10th
Warmest days on average 23.9 °C at Mungindi Post Office
Coolest days on average 4.4 °C at Thredbo AWS
Coldest day -3.1 °C at Thredbo AWS on the 25th
Coldest night -10.0 °C at Charlotte Pass (Kosciusko Chalet) on the 30th
Coolest nights on average -3.7 °C at Charlotte Pass (Kosciusko Chalet)
Warmest nights on average 16.0 °C at Norfolk Island Aero
Warmest night 19.7 °C at Broken Hill Airport AWS on the 9th
Warmest on average overall 18.3 °C at Norfolk Island Aero
Coolest on average overall 1.3 °C at Thredbo AWS
Wettest overall 223.6 mm at Lord Howe Island Aero
Wettest day 85.6 mm at Lord Howe Island Aero on the 5th
Highest wind gust 122 km/h at Thredbo AWS on the 24th

Record highest May daily rainfall
Highest daily rainfall
in May 2012 (mm)
Previous wettest
for May
Years of
record
Oberon (Jenolan Caves Road) 37.0 on the 25th 36.8 on the 14th in 1995 23



Record lowest total May rainfall
Total rainfall
for May 2012 (mm)
Previous driest
for May
Years of
record
Average for
May
Menindee Post Office 0.0 = 0.0 in 2006 134 22.7
Broken Hill Airport AWS 0.0 = 0.0 in 2005 52 20.3
Carrow Brook 1.4 3.8 in 1982 51 79.4
Upper Chichester (Simmonds) 5.6 12.0 in 1982 31 97.0
Millbank 10.0 16.0 in 1992 21 80.4



Record highest May temperature
Highest temperature
in May 2012 (°C)
Previous warmest
for May
Years of
record
Average for
May
Wanaaring Post Office 32.9 on the 10th 31.0 on the 1st in 1994 21 22.6



Record highest May daily minimum temperature
Highest daily minimum
temperature
in May 2012 (°C)
Previous warmest
for May
Years of
record
Average for
May
Katoomba (Murri St) 13.7 on the 10th 13.5 on the 1st in 1995 49 6.1
Broken Hill Airport AWS 19.7 on the 9th 18.8 on the 21st in 1999 23 7.8



Record lowest May temperature
Lowest temperature
in May 2012 (°C)
Previous coolest
for May
Years of
record
Average for
May
Scone Airport AWS -3.0 on the 15th -2.9 on the 15th in 2011 21 6.7


Record lowest May mean daily minimum temperature
Mean daily minimum
temperature
for May 2012 (°C)
Previous coolest
for May
Years of
record
Average for
May
Grenfell (Manganese Rd) 2.6 2.9 in 1921 94 6.3
Bathurst Agricultural Station -0.9 -0.8 in 2006 92 3.4
Prospect Reservoir 8.1 = 8.1 in 2011 46 9.9
Bankstown Airport AWS 7.5 = 7.5 in 1970 43 9.5
Parramatta North (Masons Drive) 7.8 8.0 in 2004 43 10.0
Cessnock (Nulkaba) 4.7 5.4 in 1976 34 8.5
Lord Howe Island Aero 14.8 15.1 in 2006 23 16.4
Bathurst Airport AWS -0.4 -0.1 in 2006 20 3.2
Bega AWS 4.6 = 4.6 in 2008 20 5.9
Bombala AWS 0.8 1.2 in 1993 20 2.7
Cessnock Airport AWS 4.4 5.1 in 2004 20 7.6
Mudgee Airport AWS 0.8 = 0.8 in 2006 20 4.0
Scone Airport AWS 3.4 4.1 in 2006 20 6.7
Young Airport -0.7 -0.5 in 2006 20 3.4


Summary statistics for May 2012
Maximum temperatures
for May
(°C)
Minimum temperatures
for May
(°C)
Rainfall
for May
(millimetres)
Mean for
May
2012
Diff
from
average
Highest for
May
2012
Mean for
May
2012
Diff
from
average
Lowest for
May
2012
Total for
May
2012
Average
for
May
Rank of
May
2012
Fraction of
May
average
Albion Park (Wollongong Airport) 20.4   27.2 11th 7.2   0.8 23rd 7.4
Albury Airport AWS 16.4   21.4 10th 3.8   -0.4 14th 38.0
Armidale (Tree Group Nursery) 16.5   21.1 10th 0.0   -6.0 23rd 11.4
Armidale Airport AWS 15.5   20.5 10th 2.7   -3.0 15th 14.0
Badgerys Creek AWS 20.3   27.1 10th 5.7   1.0 23rd 13.0
Ballina Airport AWS 22.4   26.9 12th 10.8   7.3 26th 114.4
Balranald (RSL) 19.7 +0.3 28.4 9th 6.1 -0.7 2.1 28th 3.6 31.3 v low 12%
Bankstown Airport AWS 20.6 +0.2 27.3 10th 7.5 -2.0 3.0 23rd 14.2 69.8 low 20%
Barraba Post Office 21.4 +1.0 26.1 11th     -4.2 15th 58.2 42.6 high 137%
Batemans Bay (Catalina Country Club) 19.2 -0.5 26.1 9th 5.9 -1.4 0.9 14th 11.4 64.2 v low 18%
Bathurst Agricultural Station 16.3 +0.6 23.2 11th -0.9 -4.3 -4.0 19th 47.0 41.9 average 112%
Bathurst Airport AWS 16.1 -0.2 22.8 9th -0.4 -3.6 -4.1 15th 31.6
Bega AWS 19.0 -0.2 24.9 11th 4.6 -1.3 -0.8 22nd 26.4
Bellambi AWS 19.6   26.8 10th 12.5   8.5 14th 16.8
Bombala (Therry Street) 15.3 +0.6 23.0 9th 0.8 -1.3 -4.5 22nd 33.0 43.6 average 76%
Bombala AWS 13.7 -0.4 21.4 9th 0.8 -1.9 -4.3 21st 35.0
Bourke Airport AWS 22.3   30.8 10th 5.4   0.0 26th 14.6
Bowral (Parry Drive) 15.0 -0.4 21.9 10th 5.0 -0.3 0.1 17th 19.6 70.9 low 28%
Braidwood Racecourse AWS 15.2 -0.7 21.4 10th 0.7 -2.1 -4.4 4th 21.8 46.9 average 46%
Brewarrina Hospital 22.3 -0.1 30.6 11th 6.3 -2.2 2.3 15th 38.2 31.0 high 123%
Broken Hill (Patton Street) 19.3 +0.1 28.4 9th 7.0 -1.6 3.1 30th 0.8 22.3 low 4%
Broken Hill Airport AWS 19.4 +0.5 28.1 8th 5.8 -2.0 1.8 3rd 0 20.3 lowest 0%
Burrinjuck Dam 15.4 -0.7 20.8 10th 4.3 -2.1 1.2 22nd 57.7 80.6 average 72%
Byron Bay (Cape Byron AWS) 21.2   25.0 12th 14.7   10.6 26th 113.6
Cabramurra SMHEA AWS 7.5   14.1 9th 1.4   -4.2 14th 59.0
Camden Airport AWS 20.3 -0.2 26.9 11th 4.6 -2.5 -0.2 24th 13.0 57.4 low 23%
Campbelltown (Mount Annan) 20.5   27.5 10th 5.7   1.1 23rd 11.6
Canberra Airport 15.6   22.2 10th -0.2   -5.0 19th 21.0
Canterbury Racecourse AWS 20.3   28.0 10th 7.6   3.0 23rd 21.2
Casino Airport 23.0 -0.7 28.7 12th 9.7 -0.9 4.4 15th 20.0 79.8 low 25%
Casino Airport AWS 23.0   28.4 12th 9.5   4.0 15th 22.0
Cessnock (Nulkaba) 21.3 +0.2 28.6 10th 4.7 -3.8 0.5 23rd 6.4 53.2 v low 12%
Cessnock Airport AWS 20.6 +0.1 28.0 11th 4.4 -3.2 -1.0 23rd 7.0 42.8 low 16%
Charlotte Pass (Kosciusko Chalet) 6.4 -0.4 10.5 17th -3.7 -1.0 -10.0 30th 70.1 181.6 low 39%
Cobar Airport AWS 20.5   29.0 10th 4.1   -1.6 15th 13.8
Cobar MO 20.4 +0.4 28.8 10th 7.1 -1.9 2.4 28th 12.6 32.7 average 39%
Coffs Harbour MO 21.4 0.0 25.7 12th 10.5 -1.2 5.7 27th
Collarenebri (Albert St) 22.8 0.0 29.3 11th 5.4 -3.0 -0.4 15th 36.4 35.3 average 103%
Condobolin Ag Research Stn 19.3 -0.3 27.4 10th 4.0 -2.6 -1.8 15th 37.8 36.0 average 105%
Condobolin Airport AWS 19.7   27.9 10th 3.3   -1.3 18th 35.2
Cooma Airport AWS 13.3 -0.8 20.6 9th -0.8 -1.6 -6.7 18th 14.6 28.0 low 52%
Cooma Visitors Centre 14.6 -0.9 21.9 9th -1.0 -1.9 -6.0 22nd 12.6 31.3 low 40%
Coonabarabran (Namoi Street) 19.4 +0.1 25.8 10th 0.0 -3.3 -4.2 23rd 58.6 54.0 average 109%
Coonabarabran Airport AWS 17.9   24.2 10th 7.7   3.5 15th 58.4
Coonamble Airport AWS 21.3   28.5 11th 4.9   -0.1 15th 37.2
Cooranbong (Lake Macquarie AWS) 20.8   28.2 10th 5.7   1.3 23rd 17.8
Cootamundra Airport 16.8   24.5 10th 0.3   -3.8 22nd 53.8
Corowa Airport 17.4 -0.4 23.0 10th 4.0 -1.7 -2.0 21st 20.0 46.5 low 43%
Cowra Airport AWS 17.7   25.7 10th 1.6   -2.5 22nd 44.4
Deniliquin Airport AWS 18.5   24.9 8th 4.2   -1.3 30th 13.0
Dorrigo (Old Coramba Rd) 17.1   23.5 12th 6.3   0.8 26th 44.3
Dubbo Airport AWS 19.8   27.6 11th 3.6   -0.8 14th 85.4
Dunedoo Post Office 19.9 +0.4 26.2 11th 3.1 -3.0 -2.5 15th 29.9 44.2 average 68%
Forbes Airport AWS 18.7   26.9 10th 3.0   -1.2 22nd 43.0
Forster - Tuncurry Marine Rescue 21.0   24.5 10th 11.0   7.0 15th 49.8 117.9 low 42%
Fowlers Gap AWS 21.2   29.6 9th 5.8   1.2 17th 0
Glen Innes Ag Research Stn 16.6 +0.3 21.5 10th 2.4 -2.2 -3.0 15th 24.4 49.0 average 50%
Glen Innes Airport AWS 16.8   21.8 10th -0.1   -6.9 15th 35.6
Glen Innes Post Office 17.5 +0.8 22.5 9th 3.2 -1.3 -1.8 27th 27.6 49.3 average 56%
Gosford (Narara Research Station) AWS 20.2 -0.1 27.9 10th 6.8 -1.5 2.3 13th 35.2 118.3 low 30%
Goulburn Airport AWS 15.2 -0.7 21.7 10th 0.4 -2.3 -5.3 15th 21.4
Goulburn TAFE 15.0 -1.0 21.5 10th 3.0 -1.6 -1.5 15th 20.0 42.9 average 47%
Grafton Airport AWS 22.8   28.1 12th 7.8   2.1 15th 25.2
Grafton Olympic Pool 23.2 +0.1 27.8 12th 9.8 -1.5 5.2 15th 43.0 81.0 average 53%
Grafton Research Stn 22.7   27.5 12th 9.7   4.7 15th 28.4 71.0 average 40%
Green Cape AWS 18.1   22.9 11th 11.6   8.4 21st 17.8
Grenfell (Manganese Rd) 17.2 -0.6 25.0 10th 2.6 -3.7 -1.2 15th 41.3 49.3 average 84%
Griffith Airport AWS 18.4 -0.8 26.9 9th 4.6 -2.5 0.3 21st 15.4 35.3 average 44%
Gulgong Post Office 19.2 +0.1 25.5 10th 3.4 -2.9 -1.0 15th 54.5 45.4 average 120%
Gundagai (William St) 16.5   23.0 10th 1.9   -2.3 22nd 35.4
Gunnedah Airport AWS 21.8   27.3 10th 2.6   -2.4 23rd 33.2
Gunnedah Resource Centre 21.2 +0.9 26.7 10th 6.8 -1.9 1.9 15th 43.6 44.8 average 97%
Guyra Hospital 14.2 -0.2 19.7 10th 2.5 -1.5 -2.4 15th 27.6 54.2 low 51%
Hay (Miller Street) 19.5 +0.2 28.3 9th 5.4 -1.3 -0.5 21st 8.6 34.7 low 25%
Hay Airport AWS 19.7   28.8 9th 3.9   -1.5 21st 6.6
Hillston Airport 19.7 +0.4 27.5 9th 4.3 -3.0 0.5 17th 10.2 32.1 low 32%
Holsworthy Control Range 20.2   27.4 10th 6.7   0.8 23rd 11.8
Horsley Park Equestrian Centre AWS 20.0   26.6 10th 7.6   4.6 13th 13.2
Hume Reservoir 16.3 -0.4 20.8 8th 5.4 -1.6 0.4 14th 39.4 58.5 average 67%
Inverell (Raglan St) 20.4   24.7 10th 1.3   -3.2 15th 35.2
Inverell Research Centre 19.6 +0.5 23.7 10th 5.4 -2.1 0.2 14th 43.8 49.3 average 89%
Ivanhoe Aerodrome AWS 20.4   28.4 9th 5.9   1.5 29th 3.0
Ivanhoe Post Office 20.9 +0.5 29.0 9th 4.6 -2.3 0.0 17th 4.5 27.1 low 17%
Jerrys Plains Post Office 22.2 +0.9 29.5 10th 5.0 -2.4 0.5 15th 19.0 40.7 average 47%
Jervis Bay (Point Perpendicular AWS) 18.6   26.1 9th 12.1   8.8 15th 13.2
Katoomba (Murri St) 14.3 +1.2 21.4 9th 5.4 -0.7 0.8 14th 21.6 101.9 low 21%
Kempsey (Wide Street) 22.8 +0.3 27.6 11th 9.0 -0.7 4.9 26th 12.2 91.4 low 13%
Kempsey Airport AWS 22.3   26.7 11th 7.3   2.0 26th 12.6
Khancoban AWS 14.4   20.0 10th 2.8   -0.8 30th 72.8
Kiama (Bombo Headland) 19.5   27.0 11th 12.2   8.3 14th 11.4
Lake Cargelligo Airport 19.6 -0.6 27.7 10th 5.8 -1.3 2.6 15th 9.6 36.0 low 27%
Lake Victoria Storage 19.8 +0.8 27.7 1st 6.3 -1.4 1.7 16th 6.9 23.5 low 29%
Lightning Ridge Visitors Information Cen 22.7   30.5 11th 6.5   2.0 15th 11.0
Lismore (Richmond Hill) 22.5   27.4 12th 10.9   7.0 15th 80.2
Lismore Airport AWS 22.9   27.9 12th 8.5   2.4 15th 66.2
Lithgow (Cooerwull) 14.3   20.9 10th 0.7   -3.7 15th 30.6 52.6 average 58%
Lord Howe Island Aero 21.1 -0.3 23.2 12th 14.8 -1.6 9.5 20th 223.6 157.0 high 142%
Maitland Visitors Centre 21.3   28.5 10th 5.7   0.7 23rd 11.5
Mangrove Mountain AWS 18.8   25.9 10th 7.1   2.5 15th 26.4
Menindee Post Office 21.0 +0.3 30.5 9th 7.6 +0.1 3.2 17th 0 22.7 lowest 0%
Merimbula Airport AWS 19.0   24.6 11th 6.5   2.8 23rd 28.8
Merriwa (Roscommon) 19.5   26.7 11th 2.8   -3.6 15th 34.0 38.7 average 88%
Montague Island Lighthouse 17.6 -0.5 23.4 11th 12.6 -0.5 10.4 29th 80.6 76.6 average 105%
Moree Aero 22.5   27.6 12th 6.2   1.1 15th 41.0
Moruya Airport AWS 19.4   26.6 9th 6.0   1.0 22nd 13.2
Moruya Heads Pilot Station 19.0 -0.1 25.2 11th 8.3 -1.1 4.4 22nd 27.6 83.8 average 33%
Moss Vale AWS 14.9   21.7 10th 3.4   -2.0 16th 17.6
Mount Boyce AWS 13.2 -0.3 19.6 9th 4.8 -1.3 0.0 14th 20.0
Mount Ginini AWS 7.7   13.0 10th 0.0   -4.4 14th 53.8
Mudgee Airport AWS 18.4 -0.1 25.1 11th 0.8 -3.2 -4.2 23rd 49.6
Mungindi Post Office 23.9 +0.8 29.2 10th 6.2 -2.5 0.1 15th 33.3 34.9 average 95%
Murrurundi Gap AWS 16.7   23.1 10th 7.6   2.7 26th 31.8
Murrurundi Post Office 19.4 +0.2 25.2 10th 1.9 -3.2 -3.0 15th 36.6 54.7 average 67%
Murwillumbah (Bray Park) 23.4 -0.1 26.1 7th 11.2 -1.3 5.7 27th 28.6 138.3 low 21%
Narooma (Marine Rescue) 18.7 0.0 24.5 11th 9.3 -0.8 6.2 22nd 25.3 77.8 average 33%
Narrabri Airport AWS 22.1   26.9 11th 5.1   0.8 22nd 44.4
Narrandera Airport 18.5   26.9 9th 3.8   -1.5 21st 15.2 39.3 low 39%
Narrandera Golf Club 18.3 -0.4 26.4 9th 4.4 -2.3 -0.1 21st 19.8 40.5 low 49%
Nelson Bay (Nelson Head) 20.1 -0.6 25.6 10th 13.0 +1.0 10.6 15th 60.4 154.2 low 39%
Newcastle Nobbys Signal Station AWS 20.4 +0.4 27.8 10th 11.6 -0.4 8.2 15th 24.2 117.3 low 21%
Newcastle University 20.9   27.8 11th 8.8   4.7 23rd 20.9
Norah Head AWS 19.8   26.4 11th 12.0   9.1 15th 66.2
Norfolk Island Aero 20.6 -0.3 22.9 7th 16.0 -0.1 12.9 19th 152.8 132.8 average 115%
Nowra RAN Air Station AWS 19.4   26.3 9th 7.7   3.0 23rd 18.2
Nullo Mountain AWS 12.6 -0.3 19.0 10th 4.4 -1.3 -0.1 15th 69.8
Nyngan Airport 20.8 +0.2 29.5 11th 5.3 -2.5 1.4 23rd 27.6 36.3 average 76%
Oberon (Springbank) 13.5 +0.4 19.6 10th 0.4 -2.2 -3.1 4th 56.1 60.6 average 93%
Orange Agricultural Institute 13.8 -0.4 20.4 9th 2.7 -2.0 0.0 18th 62.6 68.6 average 91%
Orange Airport AWS 13.2   20.7 9th 0.5   -3.1 17th 61.2
Parkes (Macarthur Street) 19.0 +0.4 27.0 10th 4.4 -3.1 0.0 15th 47.3 47.2 average 100%
Parkes Airport AWS 18.4   26.4 10th 2.6   -3.4 14th 40.2 49.4 average 81%
Parramatta North (Masons Drive) 20.4 -0.1 28.2 10th 7.8 -2.2 4.0 14th 18.6 72.4 low 26%
Paterson (Tocal AWS) 21.0 +0.4 27.9 10th 7.0 -2.6 2.0 15th 10.6 74.0 v low 14%
Peak Hill Post Office 20.0 0.0 27.2 10th 6.4 -2.4 1.0 14th 29.8 44.9 average 66%
Peats Ridge (Waratah Road) 18.8 -0.3 26.6 10th 8.3 -1.2 3.6 14th 24.4 95.9 low 25%
Penrith Lakes AWS 20.7   27.9 11th 7.3   3.5 23rd 15.4
Perisher Valley AWS 7.0   12.9 9th -1.4   -5.7 20th 79.0
Pooncarie Mail Agency 20.9   28.1 9th 7.2   2.8 17th 0.1 25.9 v low 0%
Port Macquarie Airport AWS 21.6   25.6 11th 9.3   2.1 26th 45.2
Prospect Reservoir 20.0 -0.2 26.6 10th 8.1 -1.8 5.5 15th 18.2 71.6 low 25%
Quandialla Post Office 18.8 -0.3 26.2 10th 3.6 -2.8 -1.6 14th 34.4 43.2 average 80%
Quirindi Post Office 20.9 +0.5 26.6 10th 2.2 -2.8 -3.4 15th 31.9 44.5 average 72%
Richmond RAAF 20.8   27.5 10th 5.1   0.6 14th 13.6
Riverview Observatory 20.5 +0.9 27.4 10th 8.8 -1.1 7.0 24th 23.2 105.4 low 22%
Scone Airport AWS 20.6 +0.4 27.0 11th 3.4 -3.3 -3.0 15th 17.4
Singleton STP 21.5   28.4 10th 5.0   -1.0 23rd 12.1
South West Rocks (Smoky Cape Lighthouse) 22.2 +0.8 25.2 10th 13.9 -0.3 10.5 26th 49.4 132.5 low 37%
Springwood (Valley Heights) 19.0   27.6 10th 8.6   5.5 14th 16.0 73.3 low 22%
Sydney (Observatory Hill) 20.9 +1.5 29.1 10th 11.2 -0.3 8.5 15th 37.2 120.6 low 31%
Sydney Airport AMO 20.4 +0.4 27.5 10th 11.1 +0.2 8.6 15th 28.8 100.1 low 29%
Sydney Harbour (Wedding Cake West) 19.3   25.4 10th 12.7   10.4 14th
Sydney Olympic Park AWS (Archery Centre) 20.7   27.6 10th 8.7   5.1 23rd 22.2
Tabulam (Muirne) 19.0 0.0 24.0 12th 9.8 -1.1 5.5 27th 25.2 101.0 low 25%
Tamworth Airport AWS 21.0 +0.3 26.6 10th 2.9 -3.2 -2.4 15th 29.2 27.9 average 105%
Taralga Post Office 14.8 +0.4 21.5 10th 0.6 -2.7 -4.0 15th 35.8 59.6 average 60%
Taree Airport AWS 21.3   27.0 10th 8.8   3.8 23rd 16.6
Tenterfield (Federation Park) 18.2 +0.2 23.2 10th 1.9 -3.0 -4.5 15th 15.1 48.7 low 31%
Terrey Hills AWS 19.2   27.2 10th 9.6   6.9 15th 42.8
Thredbo AWS 4.4 -0.5 9.9 31st -1.8 -0.5 -6.2 14th 62.0 108.1 low 57%
Thredbo Village 9.0 -1.0 16.0 9th -0.7 -0.2 -5.8 22nd 99.9 149.6 low 67%
Tibooburra Airport 22.4   31.9 10th 7.8   4.5 4th 4.8
Tibooburra Post Office 22.5 +0.6 32.2 10th 7.6 -1.8 4.2 17th 2.4 18.0 average 13%
Tidbinbilla Nature Reserve 14.7 -0.6 21.5 10th 1.6 -2.1 -3.2 7th 33.6 65.3 average 51%
Tocumwal Airport 17.6 -0.8 24.1 9th 5.1 -1.6 -1.4 21st 12.5 40.9 low 31%
Trangie Research Station AWS 20.2 +0.4 28.0 11th 4.6 -2.6 0.4 13th 34.2 37.6 average 91%
Tuggeranong (Isabella Plains) AWS 15.5   22.8 10th 0.1   -4.5 22nd 27.8
Tumbarumba Post Office 14.5 -0.7 21.9 9th 0.6 -1.7 -4.0 18th 57.6 82.0 average 70%
Ulladulla AWS 18.9 0.0 25.8 9th 10.9 -0.8 7.3 14th 15.2
Wagga Wagga AMO 17.3 0.0 24.4 9th 3.4 -2.5 -1.6 22nd 47.6 50.8 average 94%
Walgett Airport AWS 22.4   29.1 11th 4.1   -0.7 17th 24.4
Wanaaring Post Office 23.5 +0.9 32.9 10th 5.6 -2.9 1.4 17th 4.8 23.8 average 20%
Wellington (Agrowplow) 19.6 -0.2 26.0 10th 2.8 -3.0 -2.1 14th 56.2 47.5 average 118%
West Wyalong Airport AWS 18.4   26.9 10th 3.3   -0.7 18th 18.0
White Cliffs AWS 21.9   30.8 10th 7.2   3.5 26th 0
Wilcannia (Reid St) 21.9 +0.7 30.0 9th 5.3 -2.6 1.1 18th 1.0 23.6 low 4%
Wilcannia Aerodrome AWS 21.7   29.7 9th 4.9   0.2 18th 2.4
Williamtown RAAF 20.7 +0.4 28.3 11th 8.4 -1.7 3.2 24th 52.0 114.1 low 46%
Woolbrook (Danglemah Road) 16.5 -0.5 22.0 10th -0.8 -2.7 -6.5 23rd 21.4 47.3 low 45%
Wyalong Post Office 18.7 +0.1 26.6 10th 4.6 -2.2 -0.2 22nd 40.8 39.1 average 104%
Yamba Pilot Station 22.0 +0.3 26.4 12th 12.3 -1.0 8.4 15th 89.4 156.8 low 57%
Yanco Agricultural Institute 18.8   27.0 9th 6.2   1.3 16th 13.4 35.6 average 38%
Yarras (Mount Seaview) 21.2 0.0 27.5 11th 6.5 -2.9 1.6 23rd 22.8 126.3 v low 18%
Young Airport 17.1 -0.7 24.4 10th -0.7 -4.1 -4.8 22nd 37.0

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 11 am on Friday 1 June 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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