New South Wales in May 2010: Wet end to autumn for southern regions

  • Above average statewide maximum temperatures
  • Below average statewide average minimum temperatures
  • Below average rainfall for NSW and the Murray Darling Basin

Rainfall

Rainfall during May was distributed north/south across the state; with average to below average rainfall in the north, and average to above average rainfall in the south. The southern coast was the only region to record very much above average rainfall, after a low pressure system brought significant rainfall to this area late in the month. This low pressure system, in combination with a complex low on the 26th, was responsible for much of the rainfall experienced in the southern half of the state during the month.

The statewide average rainfall for May was 34.5 mm which is below the historical average of 47.1 mm. The Murray Darling Basin recorded below average rainfall, with a basin-wide average of 29.5 mm which is below the historical average of 42.3 mm. Eight of the last ten Mays have recorded below average rainfall in NSW and the MDB.

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

Temperature

May day-time temperatures were above average throughout the state, particularly during the first half of the month. In contrast, night-time tempertures were below average, resulting in a close to average statewide mean temperature of 13.6°C which is 0.2°C above the historical average1 of 13.4°C.

Under the influence of high pressure systems in the Tasman Sea, which brought clear skies and warm northerly winds, above average day time temperatures were experienced across much of the state. The statewide average maximum temperature was 20.2°C which is 0.9°C above the historical average of 19.3°C. This is the the 10th consecutive May with above average maximum temperatures for NSW.

The dominant high pressure systems continued to influence temperatures at night, with the lack of cloud cover resulting in below average minimum temperatures for much of the state. The statewide average minimum temperature for May was 7.0°C which is 0.5°C below the historical average of 7.5°C. Eight of the last 10 Mays in NSW have recorded below average statewide minimum temperatures.

Some sites had their highest May temperature on record.
See a map of maximum temperature anomalies.
See a map of minimum temperature anomalies.

Other phenomena

A low pressure system on the 26th and an East Coast Low on the 30th - 31st brought significant rainfall to southern coastal areas. Weekly rainfall totals for the period 26 May - 1st June exceeded 300 mm in Cathcart (Mount Darragh) (308.4 mm) and Nimmitabel (Cottlesloe) (348.4 mm).

Further information

Media
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Enquiries

Extremes in May 2010
Hottest day 31.1 °C at Tibooburra Post Office on the 4th
Warmest days on average 23.9 °C at Mungindi Post Office
Coolest days on average 5.7 °C at Thredbo AWS
Coldest day -0.7 °C at Thredbo AWS on the 5th
Coldest night -8.5 °C at Charlotte Pass (Kosciusko Chalet) on the 23rd
Coolest nights on average -2.6 °C at Charlotte Pass (Kosciusko Chalet)
Warmest nights on average 16.9 °C at Norfolk Island Aero
14.9 °C at Byron Bay (Cape Byron AWS)
Warmest night 19.6 °C at Lord Howe Island Aero on the 3rd
18.5 °C at South West Rocks (Smoky Cape Lighthouse) on the 3rd
Wettest overall 370.6 mm at Nimmitabel (Cottesloe)
Wettest day 145.0 mm at Moruya (Plumwood) on the 26th
Highest wind gust 135 km/h at Montague Island Lighthouse on the 30th

Record highest total May rainfall
Total rainfall
for May 2010 (mm)
Previous highest
for May
Years of
record
Average for
May
Nimmitabel (Cottesloe) 370.6 360.4 in 1983 38 77.9




Record highest May temperature
Highest temperature
in May 2010 (°C)
Previous highest
for May
Years of
record
Average for
May
Nerriga Composite 24.0 on the 4th = 24.0 on the 4th in 1997 39 15.7
Guyra Hospital 20.7 on the 2nd 20.4 on the 8th in 2007 26 14.5





Summary statistics for May 2010
Maximum temperatures
for May
(°C)
Minimum temperatures
for May
(°C)
Rainfall
for May
(millimetres)
Mean for
May
2010
Diff
from
average
Highest for
May
2010
Mean for
May
2010
Diff
from
average
Lowest for
May
2010
Total for
May
2010
Average
for
May
Rank of
May
2010
Fraction of
May
average
Western (Far Northwest) (district 46)
Fowlers Gap AWS 20.4   29.0 4th 7.4   1.1 14th 24.2
Tibooburra Airport 21.8   30.2 4th 9.6   4.8 14th 3.2
Tibooburra Post Office 22.0 +0.1 31.1 4th 9.4 0.0 3.9 14th 5.0 18.2 average 27%
White Cliffs AWS 21.1   30.1 4th 9.6   4.6 13th 12.8
White Cliffs Post Office 21.6 +0.2 30.0 4th 8.0 -0.3 2.2 13th 17.6 20.9 average 84%
Wilcannia (Reid St) 21.3 +0.1 30.4 4th 7.4 -0.5 0.6 13th 22.0 23.8 average 92%
Wilcannia Aerodrome AWS 21.1   30.3 4th 7.4   0.9 13th 36.4
Western (Lower Darling) (district 47)
Broken Hill (Patton Street) 19.3 +0.1 27.7 4th 9.9 +1.3 3.9 12th 28.0 22.5 average 124%
Broken Hill Airport AWS 19.4 +0.4 27.3 4th 7.8 -0.1 3.0 12th 23.4 20.8 average 113%
Lake Victoria Storage 20.1 +1.1 27.2 3rd 7.7 -0.1 1.0 15th 37.6 23.8 high 158%
Menindee Post Office 20.7 0.0 27.4 3rd 8.1 +0.6 2.0 14th 21.7 22.9 average 95%
Pooncarie Mail Agency 21.2   29.5 4th 7.7   1.4 13th 34.1 26.2 average 130%
Western (Upper Darling) (district 48)
Bourke Airport AWS 22.5   29.9 4th 7.9   1.5 14th 8.0
Brewarrina Hospital 22.6 +0.2 29.1 3rd 8.2 -0.3 2.0 13th 11.8 31.1 average 38%
Cobar Airport AWS 20.1   28.1 4th 6.9   -0.8 13th 28.2
Cobar MO 20.5 +0.5 28.7 4th 8.9 -0.1 3.0 13th 30.6 32.9 average 93%
Collarenebri (Albert St)     29.3 2nd 7.8 -0.6 1.5 14th 14.2 35.4 average 40%
Lightning Ridge Visitors Information Cen 23.3   30.0 2nd 8.6   3.0 14th 24.8
Wanaaring Post Office 22.5   30.9 4th 8.0   1.6 13th 4.8 24.0 average 20%
Western (Southwest Plains) (district 49)
Balranald (RSL) 19.4 0.0 27.2 4th 7.2 +0.4 2.1 23rd 57.2 31.7 high 180%
Ivanhoe Aerodrome AWS 20.0   29.1 4th 8.8   2.9 13th 56.6
Ivanhoe Post Office 20.9 +0.5 29.5 4th 7.1 +0.2 0.5 13th 73.9 27.3 v high 271%
Central Western Plains (South) (district 50)
Condobolin Ag Research Stn 20.1 +0.5 27.3 4th 6.8 +0.2 1.0 22nd 38.3 36.0 average 106%
Condobolin Airport AWS 20.1   28.0 4th 6.1   0.4 22nd 39.8
Peak Hill Post Office 20.1 +0.1 26.1 4th 8.7 -0.1 2.7 13th 47.0 44.9 average 105%
West Wyalong Airport AWS 19.0   26.9 4th 6.4   0.7 23rd 84.4
Central Western Plains (North) (district 51)
Coonamble Airport AWS 21.8   27.7 2nd 6.8   1.0 14th 18.8
Coonamble Comparison 22.0 +0.2 27.8 2nd 6.6 -1.2 1.7 13th 19.0 39.3 average 48%
Nyngan Airport 21.4 +0.8 28.0 4th 8.0 +0.2 3.5 13th 31.6 36.4 average 87%
Trangie Research Station AWS 20.9 +1.1 27.3 4th 7.4 +0.2 1.2 13th 55.4 37.5 high 148%
Northwest Plains (West) (district 52)
Mungindi Post Office 23.9 +0.8 30.2 2nd 8.1 -0.7 2.5 13th 15.8 34.9 average 45%
Walgett Airport AWS 22.8   29.3 2nd 6.1   1.0 15th 15.4
Northwest Plains (East) (district 53)
Moree Aero 22.7   28.4 1st 8.4   1.8 13th 30.6
Northwest Slopes (North) (district 54)
Barraba Post Office 21.1 +0.7 27.1 2nd 3.9 -0.4 -4.5 13th 80.3 42.5 high 189%
Narrabri Airport AWS 22.2   28.1 2nd 7.6   -1.4 13th 36.0
Northwest Slopes (South) (district 55)
Gunnedah Airport AWS 21.6   27.3 2nd 5.5   -3.4 13th 35.2
Gunnedah Pool 21.6 +0.3 27.0 3rd 8.2 +1.1 0.6 13th 32.4 42.4 average 76%
Gunnedah Resource Centre 21.2 +0.9 27.2 2nd 8.7 0.0 1.6 13th 38.8 44.7 average 87%
Quirindi Post Office 20.6 +0.1 26.2 2nd 4.9 -0.2 -3.0 13th 47.0 44.4 average 106%
Tamworth Airport AWS 21.1   27.2 3rd 5.6   -3.5 13th 62.6
Woolbrook (Danglemah Road) 16.6 -0.4 23.0 1st 1.3 -0.7 -7.5 13th 66.7 46.9 high 142%
Northern Tablelands (West) (district 56)
Armidale (Tree Group Nursery) 16.2   21.8 2nd 1.7   -7.1 13th 45.6
Armidale Airport AWS 15.4   21.1 2nd 3.9   -2.0 6th 63.6
Glen Innes Ag Research Stn 16.1 -0.3 22.0 2nd 4.1 -0.5 -3.0 13th 90.4 49.0 high 184%
Glen Innes Airport AWS 16.2   22.4 2nd 2.3   -7.1 13th 113.8
Glen Innes Post Office 16.5 -0.2 22.1 2nd 5.1 +0.6 -2.6 13th 78.8 49.3 high 160%
Guyra Hospital 14.1 -0.4 20.7 2nd 3.4 -0.7 -3.0 13th 78.4 54.5 high 144%
Inverell (Raglan St) 20.1   26.2 3rd 3.8   -4.8 13th 60.0
Inverell Research Centre 19.5 +0.3 26.1 2nd 7.3 -0.2 -1.6 13th 66.0 48.9 high 135%
Tenterfield (Federation Park)     22.2 2nd 3.2 -1.7 -5.0 14th 60.7 49.0 high 124%
Northern Tablelands (East) (district 57)
Tabulam (Muirne) 18.9 -0.1 23.3 5th 10.2 -0.7 5.9 14th 61.4 103.0 average 60%
Upper North Coast (district 58)
Alstonville Tropical Fruit Research Stat 21.2 -0.1 25.9 5th 12.9 -0.4 9.2 13th 104.2 184.2 low 57%
Ballina Airport AWS 22.3   27.0 5th 12.0   6.0 14th 66.8
Byron Bay (Cape Byron AWS) 21.1   24.9 5th 14.9   12.2 18th 120.2
Casino Airport 22.8 -1.0 27.7 5th 11.1 +0.5 5.4 14th 67.4 80.3 average 84%
Casino Airport AWS 22.4   27.2 5th 10.4   4.9 15th 66.6
Evans Head RAAF Bombing Range AWS 22.0   27.3 5th 13.5   8.1 14th 138.0
Grafton Airport AWS 22.9   26.5 5th 9.0   1.8 14th 53.8
Grafton Olympic Pool 23.6 +0.5 27.2 5th 11.0 -0.3 4.5 13th 44.0 82.2 average 54%
Grafton Research Stn 22.9   26.7 5th 11.0   5.5 14th 33.2 72.2 average 46%
Lismore (Richmond Hill) 22.3   26.2 5th 12.4   7.8 14th 71.8
Lismore Airport AWS 22.7   27.1 5th 9.9   4.0 15th 61.8
Murwillumbah (Bray Park) 22.9 -0.7 27.0 5th 12.6 0.0 6.4 31st 122.4 142.9 average 86%
Yamba Pilot Station 22.1 +0.4 26.7 11th 13.4 +0.1 8.6 14th 130.6 158.0 average 83%
Lower North Coast (district 59)
Coffs Harbour MO 22.1 +0.7 26.5 2nd 11.5 -0.2 4.8 13th 75.4 160.6 average 47%
Dorrigo (Old Coramba Rd) 17.1   23.3 5th 7.8   2.4 13th 58.9
Kempsey (Wide Street) 22.8 +0.2 27.6 5th 10.0 +0.3 4.6 13th 31.9 92.3 low 35%
Kempsey Airport AWS 22.6   27.3 2nd 8.7   2.4 13th 28.6
South West Rocks (Smoky Cape Lighthouse) 22.5 +1.1 27.4 3rd 14.6 +0.3 11.5 6th 59.1 134.5 low 44%
Manning (district 60)
Forster - Tuncurry R.V.C.P. 21.3   27.0 11th 12.2   8.0 13th 87.6 118.3 average 74%
Port Macquarie Airport AWS 21.8   27.0 11th 10.0   4.0 31st 39.2
Taree Airport AWS 21.6   27.2 2nd 10.3   5.0 6th 95.4
Yarras (Mount Seaview) 21.5 +0.3 27.2 2nd 9.5 +0.1 4.2 14th 100.4 128.1 average 78%
Hunter (district 61)
Cessnock Airport AWS 20.5   26.0 11th 7.0   -0.7 13th 52.6 43.2 average 122%
Cooranbong (Lake Macquarie AWS) 21.2   27.2 11th 8.0   1.8 13th 56.4
Gosford (Narara Research Station) AWS 20.5 +0.1 26.3 11th 9.1 +0.8 4.5 8th 131.2 118.4 average 111%
Jerrys Plains Post Office 21.4 +0.1 27.0 11th 7.1 -0.4 1.1 13th 55.4 40.5 high 137%
Maitland Visitors Centre 21.5   27.1 11th 8.1   0.0 13th 72.2
Mangrove Mountain AWS 18.4   24.4 2nd 8.4   3.4 13th 49.2
Merriwa (Roscommon) 19.6   25.7 2nd 5.1   -0.7 16th 35.0 38.6 average 91%
Murrurundi Gap AWS 16.4   21.8 2nd 8.3   3.9 13th 52.2
Murrurundi Post Office 19.3 +0.1 24.7 2nd 4.5 -0.6 -3.3 13th 60.8 54.7 average 111%
Nelson Bay (Nelson Head) 20.4 -0.4 26.6 5th 13.9 +2.0 11.0 13th 256.6 154.3 high 166%
Newcastle Nobbys Signal Station AWS 20.8 +0.8 26.5 2nd 12.6 +0.6 8.7 13th 127.6 117.8 average 108%
Newcastle University 20.6   26.5 11th     6.2 13th 120.0
Norah Head AWS 20.5   26.9 11th 13.1   8.8 13th 229.0
Paterson (Tocal AWS) 21.1 +0.4 27.4 11th 9.1 -0.6 2.8 13th 52.2 74.4 average 70%
Peats Ridge (Waratah Road) 19.0 -0.1 25.0 2nd 9.3 -0.3 4.9 12th 94.6 97.9 average 97%
Scone Airport AWS 20.6   26.8 2nd 5.5   -2.3 13th 42.0
Singleton STP 21.1   27.0 11th 6.6   0.5 13th 50.9
Williamtown RAAF 20.8 +0.6 26.9 11th 9.6 -0.5 4.7 12th 117.4 114.4 average 103%
Central Tablelands (North) (district 62)
Gulgong Post Office 18.9 -0.2 23.8 2nd 6.3 -0.1 1.0 13th 58.3 45.2 high 129%
Mudgee Airport AWS 18.0   22.7 2nd 4.5   -3.1 13th 54.0
Nullo Mountain AWS 12.3   17.7 4th 5.6   0.6 12th 87.6
Central Tablelands (South) (district 63)
Bathurst Agricultural Station 16.6 +1.0 21.9 4th 2.9 -0.5 -3.3 13th 54.0 41.9 average 129%
Bathurst Airport AWS 16.3   21.3 4th 3.2   -2.5 13th 48.2
Cowra Research Centre (Evans St) 18.1 +0.5 24.7 4th 7.0 -0.1 1.9 13th 53.5 47.7 average 112%
Katoomba (Murri St) 14.1 +1.0 20.0 2nd 6.7 +0.6 2.1 23rd 79.6 102.5 average 78%
Lithgow (Cooerwull) 14.6   20.5 4th 2.9   -3.5 13th 54.4 52.9 high 103%
Mount Boyce AWS 13.4   18.6 9th 6.0   1.1 13th 73.8
Oberon (Springbank) 13.0 -0.1 18.1 4th 3.1 +0.5 -1.5 8th 65.1 60.7 average 107%
Orange Agricultural Institute 14.2 0.0 18.8 4th 4.5 -0.2 -1.0 22nd 77.8 68.6 average 113%
Orange Airport AWS 13.7   18.8 4th 3.0   -2.7 23rd 65.0
Orange Airport Comparison 14.1 +0.2 19.0 4th 3.8 +0.2 0.0 15th 62.3 62.4 average 100%
Springwood Bowling Club 18.9   24.3 11th 9.6   5.0 13th 70.8 73.9 average 96%
Central Western Slopes (North) (district 64)
Coonabarabran (Namoi Street) 19.1 -0.2 24.4 2nd 3.0 -0.3 -2.6 13th 46.7 53.9 average 87%
Coonabarabran Airport AWS 17.9   23.3 2nd 8.5   3.1 13th 32.8
Dunedoo Post Office 19.7 +0.2 25.2 4th 6.1 -0.1 -1.6 13th 47.6 44.3 average 107%
Central Western Slopes (South) (district 65)
Cowra Airport AWS 19.0   25.9 4th 5.2   -1.5 13th 52.4
Cowra Airport Comparison 18.8 +0.1 25.3 4th 5.5 +0.3 -1.2 13th 48.0 46.5 average 103%
Dubbo Airport AWS 19.7   25.9 4th 6.7   -0.8 13th 54.6
Forbes Airport AWS 19.6   26.8 4th 5.7   -0.7 13th 43.8
Parkes (Macarthur Street) 19.5 +0.9 25.7 4th 6.9 -0.6 1.0 13th 49.3 47.1 average 105%
Parkes Airport AWS 18.7   25.0 4th 6.1   0.0 13th 64.4 49.5 average 130%
Wellington (Agrowplow) 19.8 0.0 25.0 4th 5.9 +0.1 -0.5 13th 50.7 47.4 average 107%
Metropolitan (East) (district 66)
Bankstown Airport AWS 20.7 +0.3 26.2 11th 9.3 -0.3 4.3 13th 95.6 70.9 average 135%
Canterbury Racecourse AWS 20.6   26.4 11th 9.4   4.9 13th 110.6
Holsworthy Control Range 20.9   26.6 11th 8.6   3.6 6th 74.2
Parramatta North (Masons Drive) 20.6 +0.1 26.5 11th 9.7 -0.3 5.2 13th 85.3 72.2 average 118%
Riverview Observatory 20.4 +0.8 26.5 4th 10.4 +0.5 6.8 13th 126.0 106.7 high 118%
Sydney (Observatory Hill) 20.6 +1.2 27.0 11th 12.1 +0.6 9.0 13th 168.4 121.1 high 139%
Sydney Airport AMO 20.4 +0.4 27.2 11th 11.9 +1.0 7.9 13th 165.2 100.8 high 164%
Sydney Harbour (Wedding Cake West) 20.2   26.0 11th 13.4   10.7 13th
Sydney Olympic Park (Sydney Olympic Pk A 20.8   27.1 11th 11.3   8.0 13th 144.4
Terrey Hills AWS 19.1   25.1 11th 10.7   6.1 13th
Metropolitan (West) (district 67)
Badgerys Creek AWS 20.7   25.5 11th 7.3   2.0 13th 61.4
Horsley Park Equestrian Centre AWS 20.5   26.6 11th 9.3   3.6 13th 63.4
Liverpool (Michael Wenden Centre) 21.2   26.5 2nd 8.0   3.0 13th 91.0
Penrith Lakes AWS 21.0   26.9 11th 8.9   3.5 13th 50.0
Prospect Reservoir 20.6 +0.3 26.3 11th 9.6 -0.4 4.1 13th 72.1 72.1 average 100%
Richmond RAAF 20.5   26.6 11th 6.8   -0.7 13th 37.4
Illawarra (district 68)
Albion Park (Wollongong Airport) 20.9   26.0 11th 8.6   4.0 11th 104.0
Bellambi AWS 20.3   25.9 11th 13.4   10.5 12th 95.6
Bowral (Parry Drive) 15.6 +0.2 22.8 4th 6.1 +0.8 0.0 16th 90.7 72.5 average 125%
Camden Airport AWS 20.9 +0.4 26.7 11th 6.5 -0.7 -0.7 13th 97.8 59.9 high 163%
Campbelltown (Mount Annan) 21.2   27.2 11th 7.4   1.0 13th 68.6
Jervis Bay (Point Perpendicular AWS) 19.0   24.1 11th 13.0   10.9 12th 311.8
Kiama (Bombo Headland) 20.2   25.8 11th 13.5   10.2 12th 83.6
Moss Vale AWS 16.2   23.4 4th 3.9   -1.9 16th 100.6
Nowra RAN Air Station AWS 19.8   26.3 4th 8.9   5.5 13th 90.2
South Coast (district 69)
Batemans Bay (Catalina Country Club) 19.6   24.8 4th 7.1   1.7 13th 172.6 69.0 highest 250%
Bega AWS 19.5   26.6 4th 5.5   -0.2 23rd 172.6
Braidwood Racecourse AWS 16.0   22.7 4th 2.4   -3.0 15th 142.4
Green Cape AWS 18.1   23.9 2nd 12.1   9.0 13th 113.0
Merimbula Airport AWS 18.8   24.0 4th 7.5   3.0 23rd 155.0
Montague Island Lighthouse 18.1 0.0 22.4 11th 13.7 +0.6 11.1 12th 138.8 77.2 high 180%
Moruya Airport AWS 19.8   26.0 11th 7.6   1.0 12th 118.0
Moruya Heads Pilot Station 19.5 +0.4 25.0 11th 10.1 +0.7 6.8 13th 106.6 84.7 high 126%
Narooma RVCP 19.1 +0.4 23.5 11th 10.4 +0.3 0.0 3rd 150.6 79.1 high 190%
Nerriga Composite 16.5 +0.8 24.0 4th 2.0 -2.0 -4.0 12th 170.8 61.2 v high 279%
Ulladulla AWS 18.9   24.0 11th 12.1   8.4 12th 180.4
Southern Tablelands (Goulburn-Monaro) (district 70)
Bombala (Therry Street) 15.6 +0.9 22.5 2nd 2.3 +0.2 -3.0 7th 109.0 43.8 v high 249%
Bombala AWS 14.0   21.0 4th 2.5   -3.1 22nd 99.2
Canberra Airport 16.6   22.5 4th 3.1   -3.7 13th 79.4
Canberra Airport Comparison 16.6 +1.0 22.9 4th 3.6 +0.4 -2.6 13th 71.6 44.4 high 161%
Cooma Airport AWS 13.9   21.1 2nd -0.4   -7.9 23rd 48.0 28.5 high 168%
Cooma Visitors Centre 15.1 -0.5 22.5 2nd -0.1 -1.1 -6.4 21st 77.2 31.8 v high 243%
Goulburn Airport AWS 16.0   23.5 4th 2.5   -3.3 16th 71.6
Goulburn TAFE 15.7 -0.3 23.2 4th 4.0 -0.7 -1.0 16th 74.8 44.3 high 169%
Mount Ginini AWS 7.6   13.5 2nd 1.0   -4.8 12th 99.0
Taralga Post Office 15.3 +1.0 22.4 4th 2.3 -1.0 -2.7 15th 76.3 60.0 high 127%
Tidbinbilla Nature Reserve 15.6 +0.3 21.0 3rd 3.6 -0.2 0.0 7th 70.4 66.3 average 106%
Tuggeranong (Isabella Plains) AWS 16.6   21.7 2nd 2.9   -3.2 13th 53.8
Yass (Linton Hostel) 17.0 +0.6 24.0 4th 3.7 -0.4 -1.5 16th 63.8 49.9 high 128%
Southern Tablelands (Snowy Mountains) (district 71)
Charlotte Pass (Kosciusko Chalet) 7.7 +0.9 13.0 2nd -2.6 +0.1 -8.5 23rd 165.4 184.4 average 90%
Thredbo AWS 5.7 +0.7 11.4 9th -1.1 +0.2 -6.7 23rd 160.0 108.8 high 147%
Thredbo Village 9.9 -0.2 16.0 3rd -0.8 -0.4 -7.6 23rd 188.9 151.4 average 125%
Southwest Slopes (South) (district 72)
Albury Airport AWS 18.1   25.3 4th 5.1   0.9 23rd 61.4
Cabramurra SMHEA AWS 8.7   14.3 3rd 3.0   -3.4 12th 61.0
Hume Reservoir 18.0 +1.3 24.8 4th 7.2 +0.2 2.3 12th 54.8 58.9 average 93%
Khancoban AWS 16.3   21.8 4th 3.8   -1.0 23rd 51.4
Tumbarumba Post Office 15.4 +0.2 21.0 4th 2.3 -0.1 -3.1 12th 50.0 82.3 low 61%
Wagga Wagga AMO 18.4 +1.1 26.2 4th 5.8 -0.1 0.0 21st 68.2 51.2 high 133%
Southwest Slopes (North) (district 73)
Burrinjuck Dam 17.1 +1.0 23.8 4th 6.5 +0.1 0.5 13th 101.8 80.9 high 126%
Cootamundra Airport 17.7   24.9 4th 3.5   -1.8 20th 60.2
Gundagai (William St) 17.9   25.8 4th 4.9   0.3 13th 47.0
Quandialla Post Office 19.3 +0.2 26.6 4th 6.7 +0.3 0.4 13th 57.2 43.4 average 132%
Temora Airport 18.4   26.0 4th 4.8   -0.2 23rd 40.8
Wyalong Post Office 19.4 +0.8 26.4 4th 7.4 +0.6 2.2 23rd 71.0 39.3 high 181%
Young Airport 17.8   24.6 4th 2.9   -3.9 13th 49.0
Riverina (East) (district 74)
Corowa Airport 18.8 +1.0 26.5 4th 5.6 -0.1 0.5 23rd 51.0 46.9 average 109%
Deniliquin Airport AWS 18.8   26.5 4th 6.7   -0.1 22nd 52.8
Narrandera Airport 19.3   27.0 4th 6.1   -0.1 22nd 59.0 40.2 high 147%
Narrandera Golf Club 19.1 +0.4 26.9 4th 6.1 -0.7 0.4 22nd 64.8 40.9 high 158%
Tocumwal Airport 18.7 +0.3 25.5 4th 6.5 -0.3 1.1 19th 66.9 41.4 high 162%
Riverina (West) (district 75)
Griffith Airport AWS 19.3 0.0 27.5 4th 7.2 0.0 1.2 13th 62.6 35.7 high 175%
Hay (Miller Street) 19.8 +0.5 27.2 4th 7.6 +0.8 -0.2 23rd 75.8 35.0 v high 217%
Hay Airport AWS 19.6   27.6 4th 6.6   -0.8 23rd 68.0
Hillston Airport 19.9 +0.6 28.0 4th 6.8 -0.6 0.0 23rd 72.6 32.5 v high 223%
Lake Cargelligo Airport 20.0 -0.2 27.6 4th 8.0 +0.9 2.5 13th 27.8 36.2 average 77%

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 10 am on Tuesday 1 June 2010. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

A note about deciles: Deciles are used to give an element (in this case rainfall or temperature) a ranking. Deciles are calculated by arranging the totals in ascending order (from lowest to highest) then splitting them into 10 equal groups (thus the groups are called deciles). The first group would be in decile range one, the second group in decile range two, etc up to the highest annual totals (highest 10 per cent) being in decile range 10.

1Averages: Averages are based on the period 1961 to 1990 which is a convention of the World Meteorological Organisation

Normals are long-term averages 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 for temperature and less than 30 years of record for rainfall, as they cannot then be calculated reliably.

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