Victoria in March 2013:

Highlights:

  • Overnight temperatures much warmer than those in most years (8th warmest in over 100 years of records)
  • Daytime temperatures much warmer than those in most years (5th warmest in over 100 years of records)
  • Record breaking heatwave (nine consecutive days above 30C in Melbourne was a record for the city at any time of the year)
  • Major tornado outbreak on 21 March in northeast Victoria
  • Rainfall close to that in most years - although a bit drier in the southwest; a bit wetter in the northeast

Summary

Bureau of Meteorology data show that across the State of Victoria, overnight minimum temperatures were much warmer than those usually experienced (average departure from normal 1.7C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 2.1C). Total rainfall for the month was generally close to that usually recorded.

Over the northern plains, minimum temperatures were warmer than those usually experienced (average departure from normal 1.3C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 1.7C). Total rainfall for the month was generally slightly more than that usually recorded (average percentage of normal received 133.5%).

In southern districts, minimum temperatures were much warmer than those usually experienced (average departure from normal 1.8C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 2.4C). Total rainfall for the month was generally slightly less than that usually recorded (average percentage of normal received 74%).

The average temperatures weren't the whole story though, as early in the month a remarkable heatwave affected parts of Australia especially in the southeast. A record nine days above 30C in March in Melbourne was a record for any time of the year. But it wasn't just a warm start to the month as Melbourne reached 35.6C on the 27th of March, its latest 35+ day in more than 70 years (previously twice in 1940). Outside of the capital city Victoria beat its late-season record with a 38.8C at Swan Hill.

Details

In the Mallee, overnight minimum temperatures were much warmer than those usually experienced (average departure from normal 1.7C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 2C). Total rainfall for the month was generally much less than that usually recorded (average percentage of normal received 44%).

In the Wimmera, overnight minimum temperatures were warmer than those usually experienced (average departure from normal 1.3C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 1.8C). Total rainfall for the month was generally much less than that usually recorded (average percentage of normal received 18%).

In the Northern Country, overnight minimum temperatures were much warmer than those usually experienced (average departure from normal 1.8C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 1.7C). Total rainfall for the month was generally less than that usually recorded (average percentage of normal received 63%).

In Victoria's North Central District, overnight minimum temperatures were warmer than those usually experienced (average departure from normal 1.4C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 1.7C). Total rainfall for the month was generally less than that usually recorded (average percentage of normal received 51%).

In the North East District, overnight minimum temperatures were slightly warmer than those usually experienced (average departure from normal 0.8C). Daytime maximum temperatures at most localities were warmer than those registered in the past (average departure from normal 1.3C). Total rainfall for the month was generally much more than that usually recorded (average percentage of normal received 372%).

In East Gippsland, overnight minimum temperatures were warmer than those usually experienced (average departure from normal 1C). Daytime maximum temperatures at most localities were warmer than those registered in the past (average departure from normal 1.4C). Total rainfall for the month was generally slightly less than that usually recorded (average percentage of normal received 68.5%).

In West Gippsland, overnight minimum temperatures were much warmer than those usually experienced (average departure from normal 1.7C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 2.6C). Total rainfall for the month was generally slightly less than that usually recorded (average percentage of normal received 75.5%).

In the Central District, overnight minimum temperatures were much warmer than those usually experienced (average departure from normal 2.2C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 3.1C). Total rainfall for the month was generally close to that usually recorded (average percentage of normal received 103.3%).

Some 20 kilometres northwest of the Melbourne city centre,  Melbourne Airport, is typical of Melbourne suburbs. Here, overnight minimum temperatures were much warmer than those usually experienced and averaged 14.7C (departure from normal 2.1C). Daytime maximum temperatures were much warmer than those usually experienced and averaged 26.9C (departure from normal 2.9C). Total rainfall for the month was 43.2 mm, this being slightly more than that usually recorded (normal 37.8 mm, percentage of normal received 114%).

In the Western District, overnight minimum temperatures were much warmer than those usually experienced (average departure from normal 2.2C). Daytime maximum temperatures at most localities were much warmer than those registered in the past (average departure from normal 2.3C). Total rainfall for the month was generally much less than that usually recorded (average percentage of normal received 34%).

Melbourne climate summary for the month of March 2013

Rainfall slightly less than that usually received.

Located in the Central District at the head of Port Phillip Bay, Melbourne is Victoria's State Capital. Here, overnight minimum temperatures were much warmer than those usually experienced and averaged 16.7C (departure from normal 3.5C). That the overnight temperatures in Melbourne are higher than those in most surrounding localities is a consequence of the city being under the influence of the effect of urbanisation (cities are usually warmer than their rural surroundings, especially at night, because of heat stored in bricks and concrete and trapped between close-packed buildings). Daytime maximum temperatures were much warmer than those usually experienced and averaged 27.6C (departure from normal 3.7C). Total rainfall for the month was 42.2 mm, this being slightly less than that usually recorded (normal 50.3 mm, percentage of normal received 84%).

Selected Melbourne suburbs

In the suburb of Essendon, which is located some 15 kilometres to the northwest of the city centre, overnight minimum temperatures were much warmer than those usually experienced and averaged 15.1C (departure from normal 2.7C). Daytime maximum temperatures were much warmer than those usually experienced and averaged 27.3C (departure from normal 3.4C). Total rainfall for the month was 58.2 mm, this being more than that usually recorded (normal 40.2 mm, percentage of normal received 145%).

The suburb of Laverton is located some 30 kilometres to the southwest of the city centre, and is often under the drying influence of the rain shadow from the ranges of western Victoria. Here, overnight minimum temperatures were much warmer than those usually experienced and averaged 14.7C (departure from normal 2.2C). Daytime maximum temperatures were much warmer than those usually experienced and averaged 26.8C (departure from normal 3.2C). Total rainfall for the month was 30.2 mm, this being slightly less than that usually recorded (normal 35.3 mm, percentage of normal received 86%).

In the suburb of Bundoora, which is located some 20 kilometres to the northeast of the city centre, overnight minimum temperatures were much warmer than those usually experienced and averaged 14C (departure from normal 1.5C). Daytime maximum temperatures were much warmer than those usually experienced and averaged 26.5C (departure from normal 2.4C). Total rainfall for the month was 48.5 mm, this being close to that usually recorded (normal 44.3 mm, percentage of normal received 107%).

In the suburb of Moorabbin, which is located some 20 kilometres to the southeast of the city centre, overnight minimum temperatures were much warmer than those usually experienced and averaged 15C (departure from normal 2.2C). Daytime maximum temperatures were much warmer than those usually experienced and averaged 26.9C (departure from normal 3.3C). Total rainfall for the month was 49 mm, this being close to that usually recorded (normal 44.8 mm, percentage of normal received 109%).

Records & Extremes

The wettest overall was Edi Upper with 392.2 mm.

The driest overall was Jeparit with 0.6 mm.

The wettest single day was at Myrhee (Handcocks) with 101.4 mm on the 22nd.

There is a map of total rainfall below.

There is a map of rainfall deciles below.

***   ***   ***   ***   ***   ***   ***   ***   

The warmest on average was Mildura Airport with 22.6 C.

The coolest on average was Mount Hotham with 9.5 C.

The hottest day was at Mortlake Racecourse with 40.4 C on the 11th.

The warmest days on average were at Mildura Airport with 30.3 C, and also Ouyen (Post Office) with 30.3 C.

The coolest days on average were at Mount Hotham with 13.3 C.

The coldest day was at Mount Hotham with 2.2 C on the 17th.

Some sites had their highest March temperature on record.

Some sites had their highest March mean daily maximum temperature on record.

Some sites had their highest March mean daily maximum temperature for at least 10 years.

There is a map of mean maximum temperatures below.

There is a map of maximum temperature anomalies below.

The coldest night was at Mount Hotham with -3.4 C on the 17th.

The coolest nights on average were at Mount Hotham with 5.7 C.

The warmest nights on average were at Melbourne Regional Office with 16.7 C.

The warmest night was at Melbourne Regional Office with 26.8 C on the 13th.

Some sites had their warmest March night (highest daily minimum temperature) on record.

Some sites had their highest March mean daily minimum temperature on record.

Some sites had their highest March mean daily minimum temperature for at least 10 years.

There is a map of mean minimum temperatures below.

There is a map of minimum temperature anomalies below.


Extremes in March 2013
Hottest day 40.4 C at Mortlake Racecourse on the 11th
Warmest days on average 30.3 C at Mildura Airport
30.3 C at Ouyen (Post Office)
Coolest days on average 13.3 C at Mount Hotham
Coldest day 2.2 C at Mount Hotham on the 17th
Coldest night -3.4 C at Mount Hotham on the 17th
Coolest nights on average 5.7 C at Mount Hotham
Warmest nights on average 16.7 C at Melbourne Regional Office
Warmest night 26.5 C at Melbourne Regional Office on the 13th
Warmest on average overall 22.6 C at Mildura Airport
Coolest on average overall 9.5 C at Mount Hotham
Wettest overall 392.2 mm at Edi Upper
Driest overall 0.6 mm at Jeparit
Wettest day 101.4 mm at Myrhee (Handcocks) on the 22nd
Highest wind gust 126 km/h at Mount Buller on the 21st

Maps

Anomaly in mean maximum temperature

Map of Anomaly in mean maximum temperature

Mean maximum temperature

Map of Mean maximum temperature

Anomaly in mean minimum temperature

Map of Anomaly in mean minimum temperature

Mean minimum temperature

Map of Mean minimum temperature

Rainfall deciles

Map of Rainfall deciles

Rainfall totals

Map of Rainfall totals


Record highest March temperature
Highest temperature
in March 2013 (C)
Previous warmest
for March
Years of
record
Average for
March
Mortlake Racecourse 40.4 on the 11th 40.3 on the 17th in 2008 22 23.5



Record highest March mean daily maximum temperature
Mean daily maximum
temperature
for March 2013 (C)
Previous warmest
for March
Years of
record
Average for
March
Laverton RAAF 26.8 = 26.8 in 2008 69 23.6
Point Hicks (Lighthouse) 24.2 24.1 in 2010 42 22.1
Wonthaggi 26.0 25.5 in 2008 42 22.6
Moorabbin Airport 26.9 26.5 in 2008 41 23.6
Bairnsdale Airport 26.4 25.9 in 2008 31 23.8
Portland (Cashmore Airport) 24.7 23.5 in 2008 30 21.0
Morwell (Latrobe Valley Airport) 27.4 27.3 in 2008 29 24.2
Phillip Island Penguin Reserve 24.7 24.3 in 1992 26 22.2
Aireys Inlet 25.4 24.1 in 2008 21 21.3
Cerberus 26.4 25.4 in 2008 21 22.8
Frankston AWS 25.3 24.7 in 2008 21 22.3
Mortlake Racecourse 27.8 27.4 in 2008 21 23.5
Port Fairy AWS 25.0 24.2 in 2008 21 21.5
Rhyll 25.2 24.7 in 2008 21 22.2
Sheoaks 26.5 26.1 in 2008 21 22.7
Mallacoota 23.7 = 23.7 in 2010 19 22.2
Mount Moornapa 25.5 24.8 in 2006 19 21.8
Avalon Airport 27.3 26.8 in 2008 17 24.0
Cape Nelson Lighthouse 23.2 22.7 in 2008 17 20.1
Mount Nowa Nowa 25.1 24.8 in 2008 17 22.4
Warrnambool Airport NDB 26.9 25.9 in 2008 14 22.8
Colac (Mount Gellibrand) 26.3 26.0 in 2008 12 22.6
Orbost 25.7 25.6 in 2008 12 23.6

Highest March mean daily maximum temperature for at least 10 years
Mean daily maximum
temperature
for March 2013 (C)
Most recent March
at least this warm
Years since
warmer
Average for
March
Cape Otway Lighthouse 23.2 24.2 in 1898 115 20.3
Melbourne Regional Office 27.6 28.9 in 1940 73 23.9
Essendon Airport 27.3 29.2 in 1940* 43 23.9
East Sale Airport 26.1 26.4 in 1974 39 23.5

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




Record highest March daily minimum temperature
Highest daily minimum
temperature
in March 2013 (C)
Previous warmest
for March
Years of
record
Average for
March
Melbourne Regional Office 26.5

on the 13th

(o'nite: 26.8)

26.3 on the 3rd in 1927 158 13.2
Scoresby Research Institute 26.1 on the 13th 25.2 on the 18th in 2008 46 12.4
Essendon Airport 25.3 on the 13th 25.1 on the 18th in 2008 44 12.4
Melbourne Airport 24.3 on the 13th = 24.3 on the 18th in 2008 43 12.6
Bundoora (Latrobe University) 26.2 on the 13th 24.7 on the 18th in 2008 30 12.5
Cranbourne Botanic Gardens 24.0 on the 13th 20.9 on the 24th in 2002 24 12.3
Bendigo Airport 23.9 on the 13th 20.7 on the 19th in 2003 22 11.4
Redesdale 21.5 on the 13th 20.9 on the 7th in 1995 20 10.5
Swan Hill Aerodrome 23.2 on the 13th 23.0 on the 13th in 1998 17 12.6
Viewbank 25.2 on the 13th 22.0 on the 19th in 2003 14 12.6
Colac (Mount Gellibrand) 23.0 on the 7th 22.4 on the 19th in 2003 13 11.5



Record highest March mean daily minimum temperature
Mean daily minimum
temperature
for March 2013 (C)
Previous warmest
for March
Years of
record
Average for
March
Wilsons Promontory Lighthouse 16.5 16.3 in 1989 133 14.1
Essendon Airport 15.1 14.6 in 2010 43 12.4
Wonthaggi 14.9 14.4 in 1974 42 12.2
Cranbourne Botanic Gardens 14.4 13.9 in 1992 23 12.3
Aireys Inlet 15.3 14.7 in 2010 21 13.4
Cerberus 14.3 14.1 in 1992 21 12.4
Frankston AWS 16.4 16.1 in 1993 21 14.4
Mortlake Racecourse 11.7 11.6 in 1992 21 9.8
Port Fairy AWS 14.4 14.2 in 1992 21 13.0
Rhyll 16.5 15.9 in 2010 21 14.5
Mallacoota 15.2 15.0 in 2000 19 13.9
Mount Moornapa 14.3 13.5 in 2010 19 11.7
Redesdale 12.4 12.0 in 2010 19 10.5
Wallan (Kilmore Gap) 13.1 12.4 in 2010 19 10.8
Avalon Airport 14.5 13.9 in 2000 17 12.3
Cape Nelson Lighthouse 15.2 14.6 in 2010 17 13.9
Mount Nowa Nowa 14.4 14.2 in 2010 17 12.7
Stawell Aerodrome 13.5 12.6 in 2010 17 11.2
Eildon Fire Tower 13.3 12.8 in 2010 16 11.4
Horsham Aerodrome 12.0 11.4 in 2000 15 9.9
Warrnambool Airport NDB 13.1 11.7 in 2010 14 10.6
Viewbank 14.2 = 14.2 in 2010 13 12.6
Colac (Mount Gellibrand) 13.8 13.0 in 2010 12 11.5

Highest March mean daily minimum temperature for at least 10 years
Mean daily minimum
temperature
for March 2013 (C)
Most recent March
at least this warm
Years since
warmer
Average for
March
Cape Otway Lighthouse 15.6 16.0 in 1974 39 13.2
Laverton RAAF 14.7 15.3 in 1974 39 12.5
Melbourne Airport 14.7 15.6 in 1974 39 12.6
Melbourne Regional Office 16.7 16.8 in 1974 39 13.2
Moorabbin Airport 15.0 =15.0 in 1983 30 12.8
Ballarat Aerodrome 11.9 12.3 in 1983* 29 9.9
Phillip Island Penguin Reserve 15.0 16.6 in 1983* 24 12.8
Portland (Cashmore Airport) 13.2 13.8 in 1989 24 11.6
Walpeup Research 15.2 15.8 in 1989 24 13.1
Castlemaine Prison 12.8 13.5 in 1985* 23 10.8
Hamilton Airport 12.4 12.9 in 1989* 23 10.2
Ararat Prison 11.5 11.7 in 1992 21 9.5
Bendigo Airport 13.5 13.7 in 1992 21 11.4
Longerenong 12.7 =12.7 in 1992 21 10.8
Maryborough 13.0 13.2 in 1992 21 11.2
Ouyen (Post Office) 14.8 14.9 in 1992 21 12.9
Sheoaks 12.9 13.2 in 1992 21 11.0
Warracknabeal Museum 13.7 14.0 in 1992 21 11.9
Scoresby Research Institute 14.4 =14.4 in 1992* 19 12.4
Echuca Aerodrome 14.2 =14.2 in 2000 13 12.9

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




Summary statistics for March 2013
Maximum temperatures
for March
(C)
Minimum temperatures
for March
(C)
Rainfall
for March
(millimetres)
Mean for
March
2013
Diff
from
average
Highest for
March
2013
Mean for
March
2013
Diff
from
average
Lowest for
March
2013
Total for
March
2013
Average
for
March
Rank of
March
2013
Fraction of
March
average
Southwest Slopes (South) (district 72)
Albury Airport AWS 28.7 +1.3 35.7 11th 13.5 +1.0 6.6 29th 51.0 42.0 average 121%
Hume Reservoir 28.2 +1.2 35.4 10th 15.1 +1.3 8.2 30th 59.4 45.6 high 130%
North Mallee (district 76)
Mildura Airport 30.3 +2.0 38.1 12th 15.0 +1.2 7.4 30th 11.0 20.4 average 54%
Ouyen (Post Office) 30.3 +1.9 38.8 12th 14.8 +1.9 6.5 29th 5.6 20.2 average 28%
Walpeup Research 29.8 +1.9 38.3 12th 15.2 +2.1 6.8 29th 4.0 21.4 low 19%
South Mallee (district 77)
Hopetoun Airport 29.9   39.0 12th 13.6   3.6 29th 2.2
Swan Hill Aerodrome 29.9 +1.7 38.8 27th 14.2 +1.6 5.3 29th 8.8 17.5 average 50%
North Wimmera (district 78)
Nhill Aerodrome 28.4   39.0 11th 14.1   6.7 17th 6.0 16.4 low 37%
Warracknabeal Museum 28.8 +1.8 37.8 11th 13.7 +1.8 4.7 29th 2.7 21.0 low 13%
South Wimmera (district 79)
Edenhope Airport 27.5   39.1 11th 13.7   5.8 29th 10.0
Grampians (Mount William) 18.7   30.9 11th 9.7   2.3 17th 54.0
Horsham Aerodrome 28.4 +1.7 38.6 12th 12.0 +2.1 2.2 29th 5.4 14.7 low 37%
Kanagulk 27.8   38.7 12th 12.8   4.5 29th 17.2
Longerenong 28.4 +2.2 38.5 12th 12.7 +1.9 2.4 29th 4.0 23.0 low 17%
Pyrenees (Ben Nevis) 22.6   33.7 11th 12.0   4.3 17th 8.8
Stawell Aerodrome 26.8 +1.6 37.1 12th 13.5 +2.3 5.6 29th 3.4 21.4 v low 16%
Lower North (district 80)
Charlton 29.2   38.5 10th 13.8   4.1 29th 9.8
Echuca Aerodrome 28.9 +1.7 38.0 27th 14.2 +1.3 6.0 29th 9.4 31.0 average 30%
Kerang 29.6 +1.9 38.6 27th 14.3 +1.5 6.2 29th 8.8 27.2 average 32%
Kyabram 28.1 +1.7 37.1 27th 13.9 +1.6 6.4 30th 21.8 29.8 average 73%
Upper North (district 81)
Bendigo Airport 27.5 +1.8 36.1 11th 13.5 +2.1 4.8 29th 24.6 29.8 average 83%
Shepparton Airport 28.0 +0.9 36.3 27th 13.5 +1.5 5.8 29th 15.4 34.0 average 45%
Tatura Inst Sustainable Ag 27.4 +1.2 35.9 27th 13.2 +1.5 5.1 29th 35.6 34.8 average 102%
Yarrawonga 28.3 +0.8 36.0 27th 13.6 +1.0 5.2 18th 59.6 37.0 high 161%
Lower Northeast (district 82)
Benalla Airport 27.8   35.6 11th 12.6   4.8 30th 34.6
Corryong Airport 27.1   33.8 8th 10.7   2.8 18th 52.8
Dartmouth Reservoir 26.5 +0.7 33.7 8th 11.4 +0.5 4.2 29th 82.4 61.4 high 134%
Hunters Hill 22.4 +1.0 29.0 11th 11.9 +0.5 3.5 29th 72.8 68.0 average 107%
Rutherglen Research 28.4 +1.1 35.6 8th 11.3 +0.4 1.3 18th 89.6 39.5 v high 227%
Strathbogie 24.3 +0.5 32.0 11th 10.1 +1.0 2.5 30th 39.6 57.8 average 69%
Wangaratta Aero 28.4 +1.0 35.7 8th 11.7 +1.1 4.0 18th 64.0 41.5 high 154%
Upper Northeast (district 83)
Dinner Plain (Mount Hotham Airport) 19.4 +0.4 26.5 11th 7.0 +0.8 -0.7 29th 100.4 59.6 high 168%
Edi Upper 28.1 +1.9 34.6 11th 11.8 +0.6 4.2 19th 392.2 71.7 highest 547%
Falls Creek 14.7 +0.6 22.4 5th 6.8 +0.7 -2.2 17th 162.4 102.0 high 159%
Mount Buller 14.8 +0.7 21.7 10th 7.3 +0.7 -1.9 17th 145.2 79.5 high 183%
Mount Hotham 13.3 +0.4 20.7 8th 5.7 0.0 -3.4 17th 247.0 114.1 high 216%
Omeo 23.7   31.0 12th 8.1   1.3 29th 38.4
East Gippsland (district 84)
Combienbar AWS 23.3 +1.9 31.3 12th 13.2 +1.4 6.7 18th 78.0 81.1 average 96%
Gabo Island Lighthouse 21.7 +0.8 24.6 27th 15.7 +0.3 10.9 30th 46.0 72.6 average 63%
Gelantipy 22.2 +2.2 30.0 12th 10.8 +1.4 4.2 18th 57.0 62.9 average 91%
Lakes Entrance (Eastern Beach Road) 24.0   35.0 27th 13.0   9.9 4th 61.6
Mallacoota 23.7 +1.5 32.5 27th 15.2 +1.3 8.9 30th 72.0 74.3 average 97%
Mount Nowa Nowa 25.1 +2.7 33.6 27th 14.4 +1.7 7.8 29th 63.4 56.5 average 112%
Orbost 25.7 +2.1 36.0 27th 13.7 +0.9 9.2 20th 48.4 56.1 average 86%
Point Hicks (Lighthouse) 24.2 +2.1 35.8 27th 15.6 +0.5 11.2 29th 65.0 67.7 average 96%
West Gippsland (district 85)
Bairnsdale Airport 26.4 +2.6 36.1 27th 12.1 +1.0 8.1 19th 65.8 45.4 high 145%
East Sale Airport 26.1 +2.6 35.4 10th 12.3 +0.8 6.0 30th 36.0 49.4 average 73%
Morwell (Latrobe Valley Airport) 27.4 +3.2 37.0 12th 11.9 +0.7 6.2 30th 31.4 49.7 average 63%
Mount Baw Baw 14.4 +0.6 23.2 8th 7.1 +1.0 -0.6 29th 75.0 100.6 average 75%
Mount Moornapa 25.5 +3.7 34.7 27th 14.3 +2.6 7.7 17th 64.8 58.3 average 111%
Pound Creek 26.4   37.0 12th 13.3   8.3 2nd 48.8
Willow Grove (Blue Rock Reservoir) 25.4 +2.3 35.5 12th 12.0 +0.6 8.9 17th 33.4 53.5 average 62%
Wilsons Promontory Lighthouse 22.0 +2.6 34.0 27th 16.5 +2.4 11.3 29th 53.4 69.6 average 77%
Yarram Airport 26.0   35.8 27th 12.0   6.2 19th 45.2
East Central (district 86)
Bundoora (Latrobe University) 26.5 +2.4 35.9 12th 14.0 +1.5 7.0 29th 48.5 45.3 average 107%
Cerberus 26.4 +3.6 37.1 12th 14.3 +1.9 8.2 19th 39.2 46.4 average 84%
Coldstream 27.2 +2.3 36.2 11th 10.9 +1.3 4.4 19th 42.6 49.1 average 87%
Coldstream Comparison 27.2   36.1 11th 10.8   4.3 19th 42.4
Cranbourne Botanic Gardens 26.6 +3.3 36.8 12th 14.4 +2.1 9.0 20th 48.2 42.6 average 113%
Essendon Airport 27.3 +3.4 37.3 11th 15.1 +2.7 9.3 19th 58.2 40.2 high 145%
Ferny Creek 23.0   32.9 11th 14.3   6.5 29th 66.4
Frankston AWS 25.3 +3.0 34.7 11th 16.4 +2.0 11.7 30th
Melbourne Airport 26.9 +2.9 36.9 11th 14.7 +2.1 9.0 29th 43.2 37.8 high 114%
Melbourne Regional Office 27.6 +3.7 37.1 11th 16.7 +3.5 10.9 29th 42.2 50.3 average 84%
Moorabbin Airport 26.9 +3.3 37.1 12th 15.0 +2.2 9.1 20th 49.0 44.8 average 109%
Phillip Island Penguin Reserve 24.7 +2.5 35.1 12th 15.0 +2.2 7.5 20th 39.7 50.0 average 79%
Rhyll 25.2 +3.0 34.8 12th 16.5 +2.0 11.5 29th 34.8 37.9 average 92%
Scoresby Research Institute 26.7 +2.7 36.0 11th 14.4 +2.0 5.9 19th 44.4 54.2 average 82%
Viewbank 27.4 +2.4 37.2 11th 14.2 +1.6 7.4 19th 48.6 45.8 average 106%
Wallan (Kilmore Gap) 23.7 +2.7 33.2 11th 13.1 +2.3 6.7 17th 62.8 46.7 high 134%
Wonthaggi 26.0 +3.4 37.0 12th 14.9 +2.7 10.5 29th 54.2 61.3 average 88%
West Central (district 87)
Avalon Airport 27.3 +3.3 39.0 12th 14.5 +2.2 7.9 29th 4.0 27.5 v low 15%
Breakwater (Geelong Racecourse) 27.1   38.3 12th 14.7   9.3 29th 17.0
Laverton RAAF 26.8 +3.2 37.2 12th 14.7 +2.2 8.5 29th 30.2 35.3 average 86%
Sheoaks 26.5 +3.8 36.9 11th 12.9 +1.9 6.4 19th 17.6 23.9 average 74%
North Central (district 88)
Castlemaine Prison 25.9 +1.3 34.8 11th 12.8 +2.0 3.2 29th 22.0 34.6 average 64%
Eildon Fire Tower 24.5 +1.6 34.5 11th 13.3 +1.9 6.0 29th 27.2 39.0 average 70%
Lake Eildon 27.0 +1.5 35.4 8th 11.9 +1.3 5.0 30th 32.8 52.7 average 62%
Mangalore Airport 27.8 +1.7 36.6 11th 13.2 +1.0 4.5 29th 19.8 36.2 average 55%
Maryborough 27.1 +1.7 36.6 11th 13.0 +1.8 4.1 29th 13.6 30.8 average 44%
Redesdale 27.0 +2.0 35.6 27th 12.4 +1.9 3.9 29th 30.6 33.5 average 91%
Western Plains (district 89)
Ararat Prison 26.4 +2.6 36.4 12th 11.5 +2.0 2.5 29th 10.9 31.1 low 35%
Ballarat Aerodrome 24.4 +2.2 33.3 11th 11.9 +2.0 4.4 29th 12.4 42.6 low 29%
Westmere 26.9   38.0 11th 11.3   3.3 19th 10.4
West Coast (district 90)
Aireys Inlet 25.4 +4.1 39.0 12th 15.3 +1.9 9.1 29th 18.8 34.2 low 55%
Cape Nelson Lighthouse 23.2 +3.1 40.0 12th 15.2 +1.3 11.2 29th 33.4 34.9 average 96%
Cape Otway Lighthouse 23.2 +2.9 39.0 12th 15.6 +2.4 10.1 29th 37.8 55.4 average 68%
Casterton 26.8   38.8 12th 13.1   5.2 17th 14.0
Colac (Mount Gellibrand) 26.3 +3.7 37.8 12th 13.8 +2.3 7.4 29th 18.2 31.0 low 59%
Dartmoor 27.0   39.6 12th 12.7   5.0 19th 26.8
Hamilton Airport 26.6 +2.6 37.8 11th 12.4 +2.2 6.1 19th 14.4 35.3 low 41%
Mortlake Racecourse 27.8 +4.3 40.4 11th 11.7 +1.9 3.5 19th 16.6 32.1 low 52%
Port Fairy AWS 25.0 +3.5 39.9 12th 14.4 +1.4 9.3 19th 24.6 35.8 low 69%
Portland (Cashmore Airport) 24.7 +3.7 39.1 12th 13.2 +1.6 4.7 19th 51.8 46.4 high 112%
Portland NTC AWS 22.3   36.2 12th 15.0   10.3 19th
Warrnambool Airport NDB 26.9 +4.1 39.5 12th 13.1 +2.5 4.0 19th 22.0 49.7 low 44%

Notes

A Monthly Climate Summary is prepared to list the main features of the weather in Victoria 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 1 pm on Tuesday 2 April 2013. 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 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.

The ACORN-SAT dataset is being used for temperature area averages from December 2012 onwards. The major change from earlier datasets is that the ACORN-SAT dataset commences in 1910, rather than 1950, and hence rankings are calculated using a larger set of years.


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