New South Wales in March 2012

NSW in March 2012: Wettest March since 1956

  • Second wettest March on record for NSW.
  • Widespread record-breaking rain and major flooding in southern NSW.
  • Coldest March since 1994.

Rainfall

NSW recorded a statewide average rainfall of 119.59 mm during March, well above the historical average of 48.97 mm. This was the second wettest March on record for the state, following 155.31 mm during March 1956. Most of western and southern NSW recorded monthly totals more than three times their historical average, with close to three quarters of the state recording rainfall in the wettest 10% of years. In particular, locations such as Ivanhoe recorded more than seven times the historical average, with the monthly total close to the annual average.

Twenty-five stations recorded their wettest March on record, with an additional 75 experiencing their wettest March since at least 1989. The Murray Darling Basin recorded 92.09 mm, almost three times the March average of 38.55 mm and the fourth wettest on record, but slightly drier than March 2010 (95.54 mm). In comparison, rain was below average in the far northeast of the state, with some regions recording less than half their March average.

Most of the rain fell during the first week of the month as a low pressure trough brought very heavy rain across the state. Most of NSW recorded at least 50 mm between the 1st and 5th of the month, with large areas recording more than 150 mm, with a 5-day total of 97.94 mm averaged across the state. This event broke daily records at 23 locations, but was particularly important in terms of accumulated totals, leading to widespread major flooding in NSW. This event is discussed in greater detail in Special Climate Statement 39.

A short-lived East Coast Low brought further heavy rain to the south coast on the 8th and 9th, with daily totals as high as 134.4 mm at Lucas Heights on the 8th and as much as 40 mm in one hour at Sydney Observatory Hill, resulting in widespread flooding in the Metropolitan region. Conditions were generally dry for the rest of March, with further falls in inland NSW on the 16th and 17th but rain otherwise generally light and coastal.

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

Temperature

The average maximum temperature for NSW during March was 26.6 °C, 2.0 °C below the historical average. This is the 4th coldest March on record for NSW, and the coldest March since 1994. Most of the state was below average, with more than 80% of the state experiencing temperatures in the coldest 10% of years, associated with the very high rainfall and cloud cover during the month. Temperatures were particularly cool in the southwest where rain was heaviest, with most of this area more than 3 °C below average. Ten stations including Cooma and Griffiths recorded their coldest March on record, while an additional 19 were the coldest in at least two decades. Temperatures were generally mild to cold for most of the month, with particularly cold temperatures associated with the rain event between the 1st and 3rd, while most of the state was more than 6 °C below average on the 24th and 25th.

The average minimum temperature during March was 14.3 °C, 0.9 °C below the historical average and the coolest March since 2005. Most of the state was within 1 °C of average during the month, with coolest conditions in the west, including the coldest March nights since 1987 at Tibooburra. The mean temperature for March was consequently 20.5 °C, 1.4 °C below the historical average and the 6th coldest on record, as well as the coolest March since 1994.

Some sites had their coldest March day (lowest maximum temperature) on record. Some sites had their lowest March mean daily maximum temperature on record. Some sites had their warmest March night (highest daily minimum temperature) on record.

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

Other phenomena

Flooding in NSW was widespread and severe during March, with more than 75% of the state affected by Flood Warnings at the beginning of the month. The most significant flooding was in southern NSW throughout the month as a result of the heavy rains in early March, particularly along the Lachlan and Murrumbidgee systems. Several major towns along these rivers including Wagga Wagga recorded their most severe flood since 1974. Tens of thousands of people were evacuated as floodwaters progressed downstream during the month, with 171 flood rescues performed by the SES. Several dams also reached full capacity during this event including Warragamba, resulting in minor flooding in parts of western Sydney.

Meanwhile, floodwaters continued to progress through the Darling system in northwest NSW during the month, including major flooding in the Bourke region. A short-lived East Coast Low on the 8th also brought flash flooding to the Metropolitan region and along the south coast, with parts of Bega evacuated as the further rain exacerbated existing flooding.

Further information

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Extremes in March 2012
Hottest day 36.2 °C at Menindee Post Office on the 15th
Warmest days on average 31.8 °C at Mungindi Post Office
Coolest days on average 11.1 °C at Thredbo AWS
Coldest day 1.2 °C at Thredbo AWS on the 23rd
Coldest night -4.0 °C at Perisher Valley AWS on the 25th
Coolest nights on average 3.3 °C at Thredbo AWS
Warmest nights on average 20.2 °C at Lord Howe Island Aero
Warmest night 24.3 °C at Brewarrina Hospital on the 1st
Warmest on average overall 24.6 °C at Mungindi Post Office
Coolest on average overall 7.2 °C at Thredbo AWS
Wettest overall 607.6 mm at Charlotte Pass (Kosciusko Chalet)
Wettest day 186.5 mm at Charlotte Pass (Kosciusko Chalet) on the 4th
Highest wind gust 115 km/h at Montague Island Lighthouse on the 8th

Record highest March daily rainfall
Highest daily rainfall
in March 2012 (mm)
Previous wettest
for March
Years of
record
Wilcannia (Reid St) 117.6 on the 3rd 78.5 on the 28th in 1881 133
Batlow Post Office 128.0 on the 4th 111.5 on the 11th in 1906 127
Hillston Airport 123.0 on the 4th 89.2 on the 4th in 1959 126
Corowa Airport 77.6 on the 1st 72.5 on the 8th in 2010 123
The Rock Post Office 148.0 on the 6th 67.8 on the 7th in 1956 115
Lockhart Bowling Club 122.6 on the 4th 61.5 on the 16th in 1936 113
Culcairn Bowling Club 77.6 on the 4th 58.9 on the 30th in 1973 101
Tocumwal Airport 84.6 on the 1st 54.6 on the 30th in 1973 95
Ardlethan Post Office 106.4 on the 3rd 88.9 on the 20th in 1931 91
Hume Reservoir 92.6 on the 1st 62.4 on the 16th in 1982 91
Booroorban (Ramsay) 67.4 on the 1st 60.0 on the 14th in 2011 85
Yanco Agricultural Institute 175.2 on the 4th 55.6 on the 15th in 1989 56
Thredbo Village 165.5 on the 4th 127.0 on the 21st in 1978 41
Mandurama Post Office 73.0 on the 2nd 47.0 on the 15th in 1969 33
Morundah Hotel 101.4 on the 4th 56.6 on the 20th in 1931 29
Thredbo AWS 156.8 on the 4th 96.0 on the 17th in 2001 27
Parkes Airport AWS 94.4 on the 2nd 40.0 on the 21st in 2000 25
Charlotte Pass (Kosciusko Chalet) 186.5 on the 4th 68.6 on the 17th in 1996 23
Oberon (Jenolan Caves Road) 78.0 on the 1st 45.8 on the 11th in 2000 23
Robertson (The Pie Shop) 106.2 on the 8th 96.0 on the 21st in 2011 22
Braidwood Racecourse AWS 70.0 on the 1st 51.0 on the 3rd in 1997 21
Putty Tea Rooms 71.8 on the 3rd 69.0 on the 2nd in 2006 21



Record highest total March rainfall
Total rainfall
for March 2012 (mm)
Previous wettest
for March
Years of
record
Average for
March
Ivanhoe Post Office 202.9 186.8 in 1989 128 29.8
Hillston Airport 251.4 218.0 in 1989 126 33.6
Maude Post Office 136.6 126.8 in 1989 118 24.1
Lockhart Bowling Club 193.2 157.4 in 1900 114 35.1
The Rock Post Office 246.4 221.2 in 1956 114 41.6
Grong Grong (Junee St) 276.3 220.1 in 1939 110 38.4
Hume Reservoir 241.8 175.5 in 1931 90 45.5
Oxley (Walmer Downs) 165.2 148.6 in 1956 86 25.2
Yanco Agricultural Institute 243.0 156.4 in 1989 56 33.1
Charlotte Pass (Kosciusko Chalet) 607.6 324.6 in 1939 44 140.0
Thredbo Village 524.5 303.2 in 1978 41 114.1
Ivanhoe (Baden Park) 196.0 131.6 in 1906 39 25.4
Tilpa (Trevallyn) 157.4 115.0 in 1987 39 28.1
Cooma Visitors Centre 175.9 147.7 in 1989 36 59.3
Mandurama Post Office 172.0 143.6 in 1969 33 50.9
Thredbo AWS 483.0 246.5 in 1978 31 118.4
Morundah Hotel 176.5 123.5 in 1939 29 36.2
Cooma Airport AWS 181.4 112.6 in 1983 25 46.4
Parkes Airport AWS 193.2 117.2 in 2000 25 48.3
Castle Hill (Kathleen Ave) 204.9 166.2 in 1987 24 84.5
Oberon (Jenolan Caves Road) 246.0 216.6 in 2000 22 60.6
Putty Tea Rooms 183.4 147.0 in 1963 22 71.6
Batemans Bay (Catalina Country Club) 271.7 126.2 in 1993 21 75.5
Braidwood Racecourse AWS 227.8 97.0 in 2000 21 51.9
Robertson (The Pie Shop) 327.8 309.0 in 2011 21 111.3

 




Record lowest March daily maximum temperature
Lowest daily maximum
temperature
in March 2012 (°C)
Previous coolest
for March
Years of
record
Average for
March
Bathurst Airport AWS 15.3 on the 2nd 15.6 on the 28th in 1999 21 24.6
Young Airport 17.3 on the 2nd 17.4 on the 27th in 2008 21 27.2



Record lowest March mean daily maximum temperature
Mean daily maximum
temperature
for March 2012 (°C)
Previous coolest
for March
Years of
record
Average for
March
Grenfell (Manganese Rd) 24.3 24.6 in 1946 94 27.9
Tocumwal Airport 24.3 25.1 in 1994 41 28.0
Narrandera Golf Club 24.9 25.4 in 1994 40 28.4
Cooma Visitors Centre 20.8 21.2 in 1993 38 23.8
Griffith Airport AWS 25.5 26.3 in 1987 37 28.7
Goulburn TAFE 21.0 21.2 in 1994 36 23.9
Narooma (Marine Rescue) 21.5 21.6 in 1996 25 22.7
Cooma Airport AWS 19.3 20.0 in 1994 20 22.3
Goulburn Airport AWS 20.9 21.2 in 2001 20 23.7
Young Airport 24.3 24.9 in 2011 20 27.2



Record highest March daily minimum temperature
Highest daily minimum
temperature
in March 2012 (°C)
Previous warmest
for March
Years of
record
Average for
March
Lord Howe Island Aero 23.9 on the 1st 23.7 on the 24th in 2011 24 19.9



Summary statistics for March 2012
Maximum temperatures
for March
(°C)
Minimum temperatures
for March
(°C)
Rainfall
for March
(millimetres)
Mean for
March
2012
Diff
from
average
Highest for
March
2012
Mean for
March
2012
Diff
from
average
Lowest for
March
2012
Total for
March
2012
Average
for
March
Rank of
March
2012
Fraction of
March
average
Western (Far Northwest) (district 46)
Fowlers Gap AWS 27.5   35.1 15th 15.1   10.5 24th 107.6
Tibooburra Airport 29.3   35.0 15th 17.2   10.9 24th 172.6
Tibooburra Post Office 29.3 -2.9 35.8 15th 17.3 -1.4 11.2 24th 131.6 24.2 v high 544%
White Cliffs AWS 28.8   35.1 15th 16.3   11.2 24th 151.8
Wilcannia (Reid St) 28.0 -3.3 34.9 31st 15.1 -1.1 9.5 23rd 210.8 24.7 v high 853%
Wilcannia Aerodrome AWS 28.2   34.7 15th 14.3   9.1 24th 206.8
Western (Lower Darling) (district 47)
Broken Hill (Patton Street) 26.3 -2.6 34.5 15th 14.6 -1.0 8.1 22nd 83.2 21.8 v high 382%
Broken Hill Airport AWS 25.9 -3.0 34.0 15th 13.7 -1.5 7.7 22nd 58.6 21.4 high 274%
Lake Victoria Storage 27.3 -1.2 33.2 15th 13.4 -0.6 8.5 22nd 55.1 14.7 v high 375%
Menindee Post Office 27.7 -3.0 36.2 15th 15.8 +0.6 11.6 24th 66.6 18.8 v high 354%
Pooncarie Mail Agency 27.6   35.0 15th 14.6   10.2 22nd 119.6 19.1 v high 626%
Western (Upper Darling) (district 48)
Bourke Airport AWS 29.6   33.9 3rd 17.6   8.9 24th 126.4
Brewarrina Hospital 29.5 -2.8 33.3 16th 17.1 -0.3 8.4 25th 68.8 39.7 high 173%
Cobar Airport AWS 28.5   32.1 13th 15.0   7.4 25th 86.6
Cobar MO 28.1 -2.0 31.7 21st 15.7 -1.4 9.4 23rd 91.0 35.2 v high 259%
Collarenebri (Albert St) 30.9 -1.1 34.8 4th 17.6 +0.1 10.5 25th 3.6 48.2 low 7%
Lightning Ridge Visitors Information Cen 30.8   34.1 4th 17.9   11.0 25th 14.6
Wanaaring Post Office 30.1 -2.4 34.9 16th 17.3 -0.2 11.4 24th 162.2 27.7 v high 586%
Western (Southwest Plains) (district 49)
Ivanhoe Aerodrome AWS 27.0   33.2 15th 14.4   8.8 24th 83.4
Ivanhoe Post Office 27.3 -3.5 33.5 31st 14.1 -0.6 8.8 24th 202.9 29.8 highest 681%
Central Western Plains (South) (district 50)
Condobolin Ag Research Stn 27.2 -2.3 31.6 15th 13.9 -0.9 6.5 25th 86.4 38.7 high 223%
Condobolin Airport AWS 27.3   31.5 16th 13.4   5.9 25th 79.4
Peak Hill Post Office 27.3 -2.0 30.8 16th 15.7 -0.6 7.0 24th 105.2 49.4 high 213%
West Wyalong Airport AWS 26.0   31.0 21st 12.5   5.2 25th 23.8
Central Western Plains (North) (district 51)
Coonamble Airport AWS 28.6   31.5 1st 15.3   7.6 24th 108.0
Nyngan Airport 28.6 -1.9 31.5 16th 15.7 -0.7 9.6 25th 94.3 41.5 high 227%
Trangie Research Station AWS 27.6 -1.7 31.1 16th 14.9 -0.7 7.3 24th 127.6 47.4 high 269%
Northwest Plains (West) (district 52)
Mungindi Post Office 31.8 0.0 34.9 2nd 17.4 -0.2 8.5 26th 13.6 49.8 average 27%
Walgett Airport AWS 29.5   33.1 1st 16.2   8.0 24th 52.2
Northwest Plains (East) (district 53)
Moree Aero 30.0   33.7 2nd 16.5   9.1 25th 8.8
Northwest Slopes (North) (district 54)
Barraba Post Office 28.4 -0.5 31.8 4th 12.3 -0.4 6.3 25th 28.6 53.9 average 53%
Narrabri Airport AWS 29.7   33.7 4th 15.5   8.1 24th 7.0
Northwest Slopes (South) (district 55)
Gunnedah Airport AWS 28.4   32.7 4th 14.8   6.1 24th 17.6
Gunnedah Resource Centre 27.8 -1.3 31.7 4th 16.2 -0.4 10.1 24th 24.2 41.0 average 59%
Quirindi Post Office 27.7 -1.6 32.0 4th 13.7 +0.2 6.0 24th 62.4 53.1 average 118%
Tamworth Airport AWS 27.9 -1.2 32.2 1st 13.5 -0.7 5.8 24th 26.0 42.3 average 61%
Woolbrook (Danglemah Road) 23.1 -1.7 27.5 4th 9.9 +0.1 1.5 24th 35.4 51.9 average 68%
Northern Tablelands (West) (district 56)
Armidale (Tree Group Nursery) 22.7   28.0 4th 9.8   3.2 24th 29.6
Armidale Airport AWS 21.9   27.2 4th 10.7   3.4 24th 27.8
Glen Innes Ag Research Stn 22.9 -0.1 27.0 5th 11.6 +0.2 4.0 24th 6.8 70.0 v low 10%
Glen Innes Airport AWS 23.2   28.1 5th 10.4   0.6 24th 25.2
Glen Innes Post Office 23.5 -0.4 29.0 2nd 12.1 +0.6 4.8 24th 16.0 71.1 low 23%
Guyra Hospital 20.5 -0.7 25.1 5th 9.8 -0.1 2.2 24th 52.2 67.8 average 77%
Inverell (Raglan St) 27.4   30.8 2nd 11.9   5.9 24th 7.6
Inverell Research Centre 26.7 -0.3 30.1 2nd 14.1 -0.3 9.0 9th 18.0 66.5 low 27%
Tenterfield (Federation Park) 23.3 -1.3 29.0 2nd 12.0 -0.5 4.5 24th 57.8 79.7 average 73%
Northern Tablelands (East) (district 57)
Tabulam (Muirne) 23.9 -0.6 30.0 2nd 15.7 -0.1 12.8 9th 166.2 152.6 average 109%
Upper North Coast (district 58)
Ballina Airport AWS 26.6   31.6 1st 18.5   14.1 27th 133.4
Byron Bay (Cape Byron AWS) 25.6   30.4 4th 19.3   16.7 29th 95.4
Casino Airport 27.4 -1.6 32.6 2nd 17.8 +0.5 14.4 27th 127.0 147.8 average 86%
Casino Airport AWS 27.2   32.8 1st 18.2   14.6 27th 152.4
Evans Head RAAF Bombing Range AWS 25.8   33.9 1st 18.6   16.2 29th 130.6
Grafton Airport AWS 27.0   34.0 1st 17.0   13.0 8th 69.2
Grafton Olympic Pool 27.5 -0.8 34.5 1st 18.1 +0.1 13.8 27th 68.2 128.5 low 53%
Grafton Research Stn 26.9   33.8 1st 17.8   14.3 8th 25.6 120.9 v low 21%
Lismore (Richmond Hill) 26.8   33.0 1st 17.9   14.7 27th 132.6
Lismore Airport AWS 27.0   32.7 1st 17.4   12.8 27th 124.4
Murwillumbah (Bray Park) 27.1 -1.0 32.9 2nd     14.5 27th 193.8 209.2 average 93%
Yamba Pilot Station 25.8 -0.2 30.3 1st 19.0 -0.2 15.7 8th 126.4 183.1 average 69%
Lower North Coast (district 59)
Coffs Harbour MO 25.5 -0.4 30.5 5th 17.9 -0.2 13.4 8th 143.6 235.8 low 61%
Dorrigo (Old Coramba Rd) 21.7   28.6 1st 13.2   7.5 24th 264.1
Kempsey (Wide Street) 27.2 -0.6 32.9 1st 16.9 +0.4 12.5 8th 79.9 150.8 average 53%
Kempsey Airport AWS 26.7   33.8 1st 16.0   10.8 8th 84.6
South West Rocks (Smoky Cape Lighthouse) 26.4 +0.3 29.1 1st 18.4 -0.4 15.5 9th 125.0 183.0 average 68%
Manning (district 60)
Forster - Tuncurry Marine Rescue 25.2   30.0 9th 17.8   12.5 24th 83.0 148.4 average 56%
Port Macquarie Airport AWS 25.8   32.0 1st 16.9   12.0 8th 124.0
Taree Airport AWS 25.9   34.7 1st 16.4   11.9 24th 67.6
Yarras (Mount Seaview) 26.0 -0.8 33.5 1st 15.6 0.0 10.2 25th 317.0 215.5 high 147%
Hunter (district 61)
Cessnock (Nulkaba) 26.4 -1.2 33.4 1st 15.4 -0.1 11.0 24th 121.8 86.1 high 141%
Cessnock Airport AWS 25.9 -1.2 33.1 1st 15.0   10.2 25th 107.0 69.4 high 154%
Cooranbong (Lake Macquarie AWS) 25.6   32.6 1st 15.1   10.4 25th 130.0
Gosford (Narara Research Station) AWS 24.9 -1.1 31.3 1st 15.3 -0.1 8.2 24th 164.2 149.4 average 110%
Jerrys Plains Post Office 26.8 -2.1 33.0 1st 14.8 -0.2 8.5 25th 112.3 58.8 high 191%
Maitland Visitors Centre 26.4   34.4 1st 15.9   10.9 25th 101.8
Mangrove Mountain AWS 24.2   30.3 16th 14.5   9.8 25th 178.2
Merriwa (Roscommon) 25.7   31.3 4th 13.0   3.9 25th 119.6 48.4 v high 247%
Murrurundi Gap AWS 22.3   27.0 16th 13.3   7.9 25th 122.6
Murrurundi Post Office 24.8 -2.9 30.0 1st 12.3 -0.3 4.5 25th 129.4 61.7 high 210%
Nelson Bay (Nelson Head) 24.7 -1.3 28.5 1st 18.6 +1.3 15.3 8th 102.9 116.5 average 88%
Newcastle Nobbys Signal Station AWS 23.9 -0.8 33.1 1st 18.3 0.0 13.5 24th 99.4 119.6 average 83%
Norah Head AWS 24.2   28.2 1st 18.2   12.8 24th 112.2
Paterson (Tocal AWS) 26.1 -0.9 34.5 1st 15.6 0.0 10.9 25th 116.8 114.8 average 102%
Peats Ridge (Waratah Road) 23.6 -1.0 30.0 1st 14.7 +0.1 10.2 25th 155.8 140.3 average 111%
Scone Airport AWS 26.2 -1.6 32.6 1st 13.9 -0.1 5.7 25th 70.0
Singleton STP 26.1   33.2 1st 14.7   9.5 24th 91.6
Williamtown RAAF 26.0 -0.2 35.7 1st 16.1 -0.2 11.3 25th 106.0 119.9 average 88%
Central Tablelands (North) (district 62)
Gulgong Post Office 25.6 -1.8 28.8 16th 13.6 -0.1 6.5 24th 113.2 54.8 high 207%
Mudgee Airport AWS 25.4 -1.2 29.0 1st 13.7 +1.4 8.5 10th 144.4
Nullo Mountain AWS 18.6 -1.4 23.0 16th 10.5 -0.8 3.7 24th 210.4
Central Tablelands (South) (district 63)
Bathurst Agricultural Station 22.5 -2.1 26.7 16th 10.4 -0.4 2.5 25th 149.3 51.4 v high 290%
Bathurst Airport AWS 22.7 -1.9 27.0 16th 10.3 -0.1 2.7 25th 165.0
Katoomba (Murri St) 19.4 -0.9 25.3 16th 10.9 -0.5 5.2 24th 276.2 166.1 high 166%
Lithgow (Cooerwull) 20.0   24.9 16th 10.7   2.0 25th 189.8 74.1 v high 256%
Mount Boyce AWS 19.1 -1.2 23.9 16th 10.5 -0.7 4.2 24th 268.0
Oberon (Springbank) 19.2 -2.3 24.0 16th 9.2 +0.3 2.7 25th 199.3 66.0 v high 302%
Orange Agricultural Institute 20.3 -2.4 23.8 14th 10.4 -0.2 4.0 25th 126.8 61.6 high 206%
Orange Airport AWS 19.9   23.7 16th 9.4   1.9 25th 175.6
Springwood (Valley Heights) 23.6   28.7 16th 14.6   11.0 25th 193.6 126.1 high 154%
Central Western Slopes (North) (district 64)
Coonabarabran (Namoi Street) 25.9 -2.3 29.0 4th 11.7 -0.1 4.6 25th 149.2 62.1 v high 240%
Coonabarabran Airport AWS 24.6   27.3 4th 14.1   8.7 25th 126.0
Dunedoo Post Office 26.6 -1.7 31.6 1st 14.3 0.0 5.0 25th 26.8 52.4 average 51%
Central Western Slopes (South) (district 65)
Cowra Airport AWS 25.2   29.3 14th 12.5   6.0 25th 169.8
Dubbo Airport AWS 27.1   30.8 1st 14.0   6.3 24th 125.0
Forbes Airport AWS 26.7   31.3 16th 13.3   5.7 25th 155.8
Parkes (Macarthur Street) 26.4 -2.1 30.0 15th 13.6 -1.4 5.5 25th 156.8 47.4 v high 331%
Parkes Airport AWS 26.3   31.0 16th 12.8   4.6 24th 193.2 48.3 highest 400%
Wellington (Agrowplow) 26.6 -2.8 30.3 16th 13.6 -0.3 5.7 25th 80.4 49.4 high 163%
Metropolitan (East) (district 66)
Bankstown Airport AWS 25.4 -0.8 31.2 16th 16.0 -0.1 12.3 24th 208.2 100.2 high 208%
Canterbury Racecourse AWS 24.6   30.5 16th 15.7   11.3 25th 228.4
Holsworthy Control Range 24.6   31.0 16th 15.0   10.5 25th 222.4
Parramatta North (Masons Drive) 24.9 -1.4 31.2 16th 15.4 -0.4 10.5 25th 209.2 109.4 high 191%
Riverview Observatory 24.8 -0.4 29.8 1st 15.9 -0.2 12.3 25th 221.6 127.0 high 174%
Sydney (Observatory Hill) 24.7 0.0 29.5 1st 17.8 +0.2 13.9 24th 269.8 130.2 high 207%
Sydney Airport AMO 24.9 -0.3 31.3 16th 17.8 +0.3 13.8 24th 188.2 116.2 high 162%
Sydney Harbour (Wedding Cake West) 22.7   26.7 1st 18.2   14.5 25th
Sydney Olympic Park AWS (Archery Centre) 25.0   31.4 1st 16.3   11.7 25th 263.4
Terrey Hills AWS 23.3   29.3 1st 16.2   11.1 24th 214.4
Metropolitan (West) (district 67)
Badgerys Creek AWS 25.0   29.6 16th 15.0   8.1 24th 198.0
Horsley Park Equestrian Centre AWS 25.0   31.4 16th 15.4   10.9 24th 187.6
Penrith Lakes AWS 25.8   31.1 16th 16.2   10.2 24th 149.2
Prospect Reservoir 25.0 -1.3 30.1 4th 15.8 -0.3 11.7 24th 179.9 96.2 high 187%
Richmond RAAF 25.8   32.8 16th 15.8   10.0 25th 136.2
Illawarra (district 68)
Albion Park (Wollongong Airport) 23.7   27.7 9th 15.1   10.1 31st 164.8
Bellambi AWS 22.5   26.3 1st 17.0   13.9 24th 243.6
Bowral (Parry Drive) 20.0 -2.4 27.0 16th 11.5 -0.1 6.4 25th 208.8 93.2 v high 224%
Camden Airport AWS 24.9 -1.9 30.8 16th 15.0 +0.1 10.1 31st 171.4 87.7 high 195%
Campbelltown (Mount Annan) 24.8   30.8 16th 14.2   7.3 24th 173.4
Jervis Bay (Point Perpendicular AWS) 21.9   26.0 31st 16.5   13.0 24th 276.2
Kiama (Bombo Headland) 22.4   26.9 9th 16.8   13.5 24th 213.2
Moss Vale AWS 19.9   26.6 16th 11.4   5.7 25th 204.4
Nowra RAN Air Station AWS 23.5   31.2 21st 14.2   11.4 21st 319.8
South Coast (district 69)
Batemans Bay (Catalina Country Club) 23.0 -1.3 31.8 16th 13.4 -0.6 6.2 24th 271.7 75.5 highest 360%
Bega AWS 23.3 -1.3 29.5 16th 12.6 -0.1 5.0 25th 324.0
Braidwood Racecourse AWS 20.7 -2.2 27.1 16th 10.1 +0.2 3.2 24th 227.8 51.9 highest 439%
Green Cape AWS 21.1   23.3 15th 15.5   11.6 24th 162.0
Merimbula Airport AWS 22.7   27.0 16th 13.1   5.7 24th 342.0
Montague Island Lighthouse 21.1 -1.3 22.6 23rd 16.2 -0.8 13.9 8th 170.2 101.6 high 168%
Moruya Airport AWS 22.4   26.0 21st 13.3   5.0 24th 206.0
Moruya Heads Pilot Station 21.6 -1.7 23.6 21st 14.0 -1.1 8.2 24th 206.4 107.0 high 193%
Narooma (Marine Rescue) 21.5 -1.2 24.0 23rd 13.7 -1.7 7.7 24th 242.1 105.1 v high 230%
Ulladulla AWS 21.9 -1.4 25.4 9th 15.6 -0.7 11.7 24th 287.8
Southern Tablelands (Goulburn-Monaro) (district 70)
Bombala (Therry Street) 20.3 -2.3 27.0 15th 8.6 0.0 2.4 25th 199.0 60.4 v high 329%
Bombala AWS 19.3 -2.4 26.5 4th 8.3 -0.2 2.4 24th 232.0
Canberra Airport 22.1   27.2 14th 10.1   2.2 25th 198.0
Cooma Airport AWS 19.3 -3.0 24.8 15th 7.6 +0.1 1.4 25th 181.4 46.4 highest 391%
Cooma Visitors Centre 20.8 -3.0 26.5 14th 8.3 +0.2 2.5 25th 175.9 59.3 highest 297%
Goulburn Airport AWS 20.9 -2.8 26.7 16th 10.1 +0.2 2.1 25th 178.8
Goulburn TAFE 21.0 -2.9 26.7 15th 10.8 -0.4 4.0 25th 179.0 57.0 v high 314%
Mount Ginini AWS 13.4   18.3 14th 5.6   -1.0 24th 303.4
Taralga Post Office 20.4 -2.1 25.1 15th 9.1 -0.7 1.0 25th 205.6 66.5 v high 309%
Tidbinbilla Nature Reserve 21.6 -2.1 25.5 31st 10.5 +0.5 4.6 25th 86.9 67.6 high 129%
Tuggeranong (Isabella Plains) AWS 22.1   27.3 14th 10.5   2.6 25th 269.6
Southern Tablelands (Snowy Mountains) (district 71)
Charlotte Pass (Kosciusko Chalet) 13.2 -1.5 17.2 15th 3.5 +1.0 -3.0 25th 607.6 140.0 highest 434%
Perisher Valley AWS 13.3   18.3 12th 3.7   -4.0 25th 522.0
Thredbo AWS 11.1 -2.4 16.3 12th 3.3 -1.5 -2.2 24th 483.0 118.4 highest 408%
Thredbo Village 16.1 -2.0 21.0 20th 5.0 +0.4 -1.0 25th 524.5 114.1 highest 460%
Southwest Slopes (South) (district 72)
Albury Airport AWS 24.7   30.0 15th 12.8   6.2 25th 255.2
Cabramurra SMHEA AWS 14.5   19.4 15th 7.4   0.4 24th 261.6
Hume Reservoir 24.6 -2.4 29.7 15th 13.6 -0.2 5.8 25th 241.8 45.5 highest 531%
Khancoban AWS 23.3   28.6 15th 10.5   5.2 25th 286.4
Tumbarumba Post Office 22.2 -2.8 27.0 15th 8.8 +0.1 1.5 25th 109.8 66.4 high 165%
Wagga Wagga AMO 24.7 -2.9 29.6 13th 12.4 -1.0 4.6 25th 207.8 45.7 v high 455%
Southwest Slopes (North) (district 73)
Burrinjuck Dam 23.6 -2.4 29.5 14th 12.6 -0.8 6.2 25th 332.4 60.8 v high 547%
Cootamundra Airport 24.1   29.2 15th 10.5   1.8 25th 118.0
Grenfell (Manganese Rd) 24.3 -3.6 28.8 12th 11.6 -1.8 4.8 25th 107.0 48.1 high 222%
Gundagai (William St) 24.7   30.2 15th 11.9   3.6 25th 173.2
Quandialla Post Office 26.1 -2.9 30.6 14th 13.0 -0.8 4.9 24th 89.8 44.5 high 202%
Wyalong Post Office 26.1 -2.7 30.7 21st 13.6 -0.9 7.3 25th 61.9 37.3 high 166%
Young Airport 24.3 -2.9 28.6 21st 10.1 -0.9 1.6 25th 162.6
Riverina (East) (district 74)
Corowa Airport 24.8 -3.2 31.5 15th 12.6 -0.1 6.0 25th 125.6 37.6 v high 334%
Deniliquin Airport AWS 24.9   32.4 31st 12.5   5.9 26th 76.8
Narrandera Airport 25.5   31.3 15th 13.7   7.2 25th 46.8 32.1 high 146%
Narrandera Golf Club 24.9 -3.5 31.1 15th 13.4 -0.7 6.5 25th 50.6 30.2 high 168%
Tocumwal Airport 24.3 -3.7 31.8 15th 13.2 -0.4 7.1 26th 169.7 34.9 v high 486%
Yanco Agricultural Institute 25.2   31.2 14th 14.3   9.0 25th 243.0 33.1 highest 734%
Riverina (West) (district 75)
Griffith Airport AWS 25.5 -3.2 31.9 13th 13.4 -0.8 6.1 24th 212.6 36.8 v high 578%
Hay Airport AWS 25.9   33.3 14th 13.1   6.4 26th 145.0
Hillston Airport 26.0 -3.2 31.5 15th 13.8 -1.3 8.0 24th 251.4 33.6 highest 748%
Lake Cargelligo Airport 26.8 -3.4 31.7 21st 14.2 -1.0 8.6 24th 230.4 36.9 v high 624%
Offshore Islands (district 200)
Lord Howe Island Aero 24.5 -0.3 27.0 1st 20.2 +0.3 15.9 22nd 228.2 137.5 high 166%
Norfolk Island Aero 24.0 -0.3 26.5 2nd 19.4 +0.2 16.0 21st 62.4 102.9 average 61%

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 9 am on Monday 2 April 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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