Victoria in 2013: 3rd warmest year on record

Victoria in 2013 was characterised by:

  • the 3rd warmest overall temperature on record
  • the 3rd warmest maximum and minimum temperatures on record
  • high rainfall totals along parts of the coast.

Mostly close to normal rainfall

Preliminary rainfall data indicate that Victoria has recorded near average rainfall for the State as a whole. However, some coastal parts reported above average rainfall while much of the northeast was more than 100 mm drier than normal. Large parts of the State recorded below average to very much below average rainfall during summer 2012-13 with autumn also drier than usual. Winter delivered above average rainfall to most parts tending to very much above average in the south, while spring saw above average rainfall in southern coastal areas but below average rainfall in the north.

The wettest station overall was Falls Creek (Rocky Valley) in the Alpine region with 2530.8 mm and the driest overall was Mildura Airport in the far northwest with 213.6 mm. The wettest single day was 14 June when Mount Baw Baw recorded 145.4 mm, however most stations outside of Gippsland reported 24 hour totals of less than 40 mm. Some sites had their highest daily rainfall on record and others their highest annual rainfall on record, whilst a couple of stations reported their lowest total rainfall on record.

Overall, Victoria's area-average rainfall was 608.46 mm, which is 92% of the 1961-90 average of 660.19 mm. There is a map of rainfall deciles below. A couple of stations reported their lowest total rainfall on record.

Overall temperatures the 3rd warmest on record

Mean temperatures (the average of maximum and minimum temperatures) were warmer than normal in 2013. The area average mean temperature was 15.14 C, which is 1.04 C warmer than the 1961-90 average of 14.10 C. That makes 2013 the 3rd warmest on record for mean temperature. The warmest station on average was Mildura Airport in the far northwest with 18.3 C and the coolest on average was Mount Hotham in the alpine region with 5.2 C.

Daytime temperatures 3rd warmest on record

Victoria's area-averaged maximum temperature was 21.16 C, which is 1.30 C warmer than the 1961-90 average of 19.86 C, making 2013 Victoria's 3rd hottest year on record for daytime temperatures. Several stations reported their warmest year for maximum temperatures.

Many locations reported their hottest temperature for 2013 in early January when widespread heat affected much of the country including 45.7 C at Yarrawonga on 5 January, the highest temperature of 2013. Mallacoota had their highest temperature on record . Victoria also experienced a significant heatwave in the first weeks of March.

The coldest day was 19 August when Mount Hotham recorded -5.2 C. The warmest days on average were recorded at Mildura Airport with 25.7 C, whilst Mount Hotham recorded the coolest on average with 8.4 C. There is a map of maximum temperature anomalies below.

Overnight temperatures the 3rd warmest on record

The area-averaged minimum temperature was 9.12 C, which is 0.78 C warmer than the 1961-90 average of 8.34 C, making 2013 Victoria's 3rd warmest year on record for minimum temperatures. The coldest night of the year was 13 September when Mount Hotham recorded -8.1 C and much of the Alpine region recorded overnight temperatures up to 8 C cooler than usual for September. The warmest night was 5 January when Echuca Aerodrome recorded 29.0 C; Melbourne Regional Office reported a midnight temperature of 34.7 C (the 3rd warmest on record). Viewbank had their lowest temperature on record and other stations their warmest year for minimum temperatures. The coolest nights on average were recorded at Mount Hotham with 2.0 C, whilst Gabo Island Lighthouse recorded the warmest on average with 12.8 C. There is a map of minimum temperature anomalies below.

Wind

The strongest wind gust was 165 km/h recorded at Wilsons Promontory Lighthouse on 26 September.

Further information

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Extremes in 2013
Hottest day 45.7 C at Yarrawonga on 5 Jan
Warmest days on average 25.7 C at Mildura Airport
Coolest days on average 8.4 C at Mount Hotham
Coldest day -5.2 C at Mount Hotham on 19 Aug
Coldest night -8.1 C at Mount Hotham on 13 Sep
Coolest nights on average 2.0 C at Mount Hotham
Warmest nights on average 12.8 C at Gabo Island Lighthouse
Warmest night 29.0 C at Echuca Aerodrome on 5 Jan
Warmest on average overall 18.3 C at Mildura Airport
Coolest on average overall 5.2 C at Mount Hotham
Wettest overall 2530.8 mm at Falls Creek (Rocky Valley)
Driest overall 213.6 mm at Mildura Airport
Wettest day 145.4 mm at Mount Baw Baw on 14 Jun
Highest wind gust 165 km/h at Wilsons Promontory Lighthouse on 26 Sep

Maps

Anomaly in mean maximum temperature

Map of Anomaly in mean maximum temperature

Anomaly in mean minimum temperature

Map of Anomaly in mean minimum temperature

Rainfall deciles

Map of Rainfall deciles


Month by month
January 2013 saw the warmest January maximum temperatures on record in the far east. Temperatures were very much above average over the rest of the east, tending to above average in the west. Maximum temperatures were 10th warmest on record. Minimum temperatures were above average in East Gippsland but close to normal in most other parts. Rainfall was the lowest on record for January over large parts of the centre and south. January rainfall was 8th driest on record.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
Daytime temperatures in February were very much above average in the south tending to above average in the north. Maximum temperatures were 10th warmest on record. Night-time temperatures were very much above average along the southwest coast and above average for the rest of the State. Rainfall was average to above average for most of the State.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
March2013 delivered the hottest March temperatures on record along parts of the southwest coast between the Surf Coast and Warrnambool. Daytime temperatures were very much above average in the south tending to above average in the north, averaging 5th warmest on record. Night-time temperatures were very much above average over western and central districts tending to above average in the east, averaging 8th warmest on record. Rainfall was above average in the North East district, below average over large parts of the west, and close to normal elsewhere.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
Daytime temperatures in April were warmer than normal in the west and close to average in the east. Overnight temperatures were also above average in parts of the north and east of the State, but were close to normal elsewhere. Rainfall was below average to very much below average across the State except for East Gippsland and the Mallee where it was mostly close to normal.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
May delivered very much above average daytime temperatures to parts of the South West district. They were mostly above average elsewhere, except for the North East district where they were close to normal. Night-time temperatures were mostly close to normal. Rainfall was mostly close to normal except for East Gippsland where it was below to very much below average.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
Daytime temperatures were mostly above average during June . Overnight temperatures were above average in parts of East Gippsland and the Mallee districts but were close to normal in most other parts. Most of Gippsland and the Central, Mallee and Wimmera districts recorded above average to very much above average rainfall, the State observing its 10th wettest June on record.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
Maximum temperatures in July 2013 were the highest on record over parts of East Gippsland and eastern parts of the Central district. Elsewhere, they were very much above average tending to above average in the far west. Maximum temperatures were 4th warmest on record. Nights were the warmest on record around Omeo and very much above average in most other parts, and 8th warmest for the State as a whole. Rainfall was very much above average in parts of the South West, Wimmera and North East districts but below average tending to lowest on record in East Gippsland.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
August daytime temperatures were mostly above average except for parts of the North East and Northern Country districts where they were close to normal. Overnight temperatures were the warmest on record for August for parts of the South West and Central districts, and 2nd warmest on record for the State as a whole. They were very much above average in most other parts. Rainfall was the highest on record for August over the far southwest and above average over most of the south.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
September2013 was the warmest on record for maximum temperatures in the Mallee, South West and the Central district. Elsewhere, maximum temperatures were very much above average, averaging 2nd warmest for Victoria overall. Average night-time temperatures were the warmest on record for September over most of the State. Rainfall was mostly close to normal.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
October daytime temperatures were above average in the parts of the north and far east but elsewhere they were typical. Overnight temperatures were warmer than usual in parts of the south but cooler than usual in parts of the north. Rainfall was above average in the South West and below average in parts of the Northern Country and North East districts. Elsewhere, rainfall totals were close to normal.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
November maximum temperatures were cooler than normal in the southwest, while minimum temperatures were below average in the northwest. Conditions were drier than normal in the north and west.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
December was drier than normal in parts of the west. Daytime temperatures were above average for most of the state. Overnight temperatures were warmer than usual over most of Gippsland.
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature

Record highest daily rainfall
Highest daily rainfall
in 2013 (mm)
Previous annual
wettest
Years of
record
Dellicknora (Tellicura) 136.0 on 29 Jan 127.0 on 28 Jan 1920 97
Balook 184.2 on 14 Jun 161.4 on 3 Feb 2005 15
Broken River at Benalla 91.2 on 28 Feb 75.2 on 1 Mar 2012 14
Gardiners Creek @ Gardiner 64.4 on 1 Jun 63.0 on 27 Nov 2011 11
Nhill Aerodrome 65.6 on 12 Jun 65.4 on 12 Jan 2011 11



Record highest total annual rainfall
Total rainfall
for 2013 (mm)
Previous annual
wettest
Years of
record
Annual
average
Portland (Cashmore Airport) 1157.2 1040.8 in 1992 31 836.1
Port Fairy AWS 952.0 923.0 in 2007 19 702.9
Cape Nelson Lighthouse 997.6 868.6 in 2001 18 714.8
Strathbogie (Mount Wombat) 1149.8 1076.4 in 2010 11 642.9
Angler's Rest (Big River at Joker Creek) 929.8 928.4 in 2012 10 640.0



Record lowest total annual rainfall
Total rainfall
for 2013 (mm)
Previous annual
driest
Years of
record
Annual
average
Avoca (Homebush) 367.0 379.2 in 1997 16 525.2
Balook (Mount Tassie) 840.6 850.2 in 2009 13 1091.6



Record highest temperature
Highest temperature
in 2013 (C)
Previous annual
warmest
Years of
record
Annual
average
Mallacoota 42.0 on 18 Jan 41.6 on 1 Feb 2011 21 19.3



Record highest annual mean daily maximum temperature
Mean daily maximum
temperature
for 2013 (C)
Previous annual
warmest
Years of
record
Annual
average
Ouyen (Post Office) 25.3 24.9 in 1982 75 23.6
Mildura Airport 25.7 25.2 in 2009 66 23.8
Ararat Prison 20.4 = 20.4 in 2007 43 19.1
Point Hicks (Lighthouse) 20.1 20.0 in 2009 41 19.0
Portland (Cashmore Airport) 18.6 18.4 in 2012 30 17.6
Mortlake Racecourse 20.2 20.1 in 2007 21 19.1
Port Fairy AWS 19.4 19.3 in 2007 21 18.6
Redesdale 21.4 = 21.4 in 2006 19 20.2
Mount Nowa Nowa 19.8 19.7 in 2009 17 18.9
Cape Nelson Lighthouse 18.4 18.1 in 2012 16 17.5
Swan Hill Aerodrome 24.7 24.6 in 2009 16 23.7
Warrnambool Airport NDB 19.6 19.5 in 2009 14 18.9
Colac (Mount Gellibrand) 19.2 18.9 in 2007 12 18.2



Record lowest temperature
Lowest temperature
in 2013 (C)
Previous annual
coolest
Years of
record
Annual
average
Viewbank -1.3 on 23 Jun = -1.3 on 20 Aug 2003 15 9.8



Record highest annual mean daily minimum temperature
Mean daily minimum
temperature
for 2013 (C)
Previous annual
warmest
Years of
record
Annual
average
Ouyen (Post Office) 10.6 = 10.6 in 2009 75 9.6
Wonthaggi 10.8 10.6 in 2001 41 9.6
Portland (Cashmore Airport) 10.0 9.9 in 2011 30 9.3
Aireys Inlet 11.1 = 11.1 in 2007 21 10.6
Cape Nelson Lighthouse 12.0 11.9 in 2007 16 11.4
Warrnambool Airport NDB 9.2 9.0 in 2011 14 8.4


Summary statistics for 2013
Maximum temperatures
(C)
Minimum temperatures
(C)
Rainfall
(millimetres)
Mean
for
2013
Diff
from
average
Highest
for
2013
Mean
for
2013
Diff
from
average
Lowest
for
2013
Total
for
2013
Average
annual
total
Rank
of
2013
Fraction
of annual
average
North Mallee (district 76)
Mildura Airport 25.7 +1.9 45.0 17 Jan 10.9 +0.6 -1.9 10 Jul 213.6 290.8 low 73%
Ouyen (Post Office) 25.3 +1.7 45.0 4 Jan 10.6 +1.0 0.5 10 Jul 244.5 331.3 low 74%
South Mallee (district 77)
Hopetoun Airport 24.3 45.4 17 Jan 9.0 -1.7 9 Jul 216.0
Swan Hill Aerodrome 24.7 +1.0 45.4 5 Jan 9.6 +0.4 -1.9 1 Aug 235.6 308.8 low 76%
North Wimmera (district 78)
Nhill Aerodrome 22.6 43.8 4 Jan 9.3 0.5 2 May 374.8 330.5 high 113%
Warracknabeal Museum 23.1 +0.8 43.9 4 Jan 9.2 +0.5 -1.0 9 Jul 345.1 397.7 average 87%
South Wimmera (district 79)
Edenhope Airport 21.3 43.7 4 Jan 9.1 -0.4 9 Jul 521.8
Grampians (Mount William) 13.1 35.1 4 Jan 5.3 -2.4 20 Aug 1277.4
Horsham Aerodrome 22.4 +0.3 44.2 4 Jan 7.6 +0.5 -2.2 10 Jul 399.6 381.1 average 105%
Kanagulk 21.2 43.6 4 Jan 8.4 -2.0 10 Jul 510.4
Longerenong 22.5 +1.0 43.9 4 Jan 8.1 +0.2 -2.2 10 Jul 361.2 417.4 average 87%
Pyrenees (Ben Nevis) 16.5 38.0 4 Jan 7.5 -0.5 21 Jul 630.2
Stawell Aerodrome 20.8 +0.2 41.9 4 Jan 9.0 +0.6 -1.2 20 Jun 417.2 488.6 average 85%
Lower North (district 80)
Charlton 23.6 43.6 20 Dec 9.1 -1.8 9 Jul 298.0
Echuca Aerodrome 23.7 +1.5 43.0 19 Dec 9.5 +0.2 -1.5 1 Aug 346.5 427.5 low 81%
Kerang 24.3 +1.4 44.5 5 Jan 10.2 +0.8 -1.0 1 Aug 313.4 374.4 average 84%
Kyabram 23.2 +1.6 41.9 5 Jan 9.3 +0.8 -1.3 26 Jun 370.0 448.2 average 83%
Upper North (district 81)
Bendigo Airport 22.0 +1.1 41.5 20 Dec 8.6 +0.8 -2.2 1 Aug 511.4 516.5 average 99%
Shepparton Airport 22.8 +0.5 42.2 7 Jan 9.0 +0.5 -1.9 26 Jun 383.0 446.8 average 86%
Tatura Inst Sustainable Ag 22.4 +1.1 41.2 7 Jan 8.8 +0.5 -2.1 20 Jun 397.9 484.1 low 82%
Yarrawonga 23.7 +0.9 45.7 5 Jan 9.1 +0.2 -2.3 9 Jul 377.8 456.3 average 83%
Lower Northeast (district 82)
Benalla Airport 22.8 44.0 5 Jan 8.6 -1.9 18 Oct 501.0
Corryong Airport 22.1 43.5 18 Jan 6.7 -5.0 22 Jun 834.3
Hunters Hill 17.3 +1.0 36.8 5 Jan 8.3 +0.5 -1.6 20 Aug 1191.4 1193.6 average 100%
Rutherglen Research 23.0 +1.3 44.5 5 Jan 7.0 -0.3 -3.5 22 Jun 543.8 587.8 average 93%
Strathbogie 19.2 +0.7 40.7 5 Jan 6.7 +0.6 -4.3 22 Jun 851.4 967.0 average 88%
Wangaratta Aero 22.9 +0.8 44.6 5 Jan 7.7 +0.2 -2.5 22 Jun 492.4 609.0 low 81%
Upper Northeast (district 83)
Dinner Plain (Mount Hotham Airport) 14.8 +0.4 33.0 5 Jan 3.6 +0.4 -6.9 13 Sep 998.8 803.4 high 124%
Falls Creek 9.9 +0.6 27.5 6 Jan 3.1 +0.6 -6.9 20 Aug 1307.6 1261.7 average 104%
Mount Buller 10.1 +0.9 28.7 5 Jan 3.3 +0.6 -6.1 20 Aug 1591.4 1538.3 average 103%
Mount Hotham 8.4 +0.5 26.0 5 Jan 2.0 +0.1 -8.1 13 Sep 1691.2 1422.4 average 119%
Omeo 19.1 38.1 18 Jan 5.2 -6.4 13 Sep 619.4
East Gippsland (district 84)
Combienbar AWS 19.0 +1.0 39.7 4 Jan 9.5 +0.6 1.3 13 Sep 1155.4 985.5 high 117%
Gabo Island Lighthouse 19.2 +1.4 33.0 8 Jan 12.8 +0.6 5.3 21 Jul 802.6 942.9 average 85%
Gelantipy 17.4 +1.0 37.3 18 Jan 7.2 +0.6 -2.3 13 Sep 816.8 779.0 average 105%
Lakes Entrance (Eastern Beach Road) 20.1 40.2 4 Jan 10.4 0.0 12 Jul 854.2
Mallacoota 20.1 +0.8 42.0 18 Jan 11.2 +0.4 1.3 22 Jul 953.0 936.8 average 102%
Mount Nowa Nowa 19.8 +0.9 41.5 4 Jan 10.4 +0.5 2.0 13 Sep 623.8 809.0 low 77%
Point Hicks (Lighthouse) 20.1 +1.1 40.7 18 Jan 12.5 +0.5 4.0 13 Sep 1104.3 964.1 high 115%
West Gippsland (district 85)
Bairnsdale Airport 21.0 +0.8 43.5 4 Jan 8.7 +0.4 -0.9 22 Jun 723.4 646.7 average 112%
East Sale Airport 20.6 +1.0 44.3 4 Jan 8.7 +0.6 -1.3 9 Jun 572.5 599.5 average 95%
Morwell (Latrobe Valley Airport) 20.9 +0.9 41.2 4 Jan 8.5 +0.3 -1.6 9 Jul
Mount Baw Baw 9.6 +0.3 27.3 5 Jan 3.0 +0.1 -5.6 13 Sep 1844.0
Wilsons Promontory Lighthouse 17.5 +1.1 35.7 4 Jan 12.6 +1.3 5.7 5 Jul 1359.0 1056.2 v high 129%
Yarram Airport 20.1 41.4 4 Jan 9.0 -1.5 11 Jul 726.4
East Central (district 86)
Bundoora (Latrobe University) 20.9 +0.9 40.8 4 Jan 10.2 +0.6 -1.3 23 Jun 690.1 674.2 average 102%
Cerberus 19.8 +0.8 40.7 4 Jan 10.2 +0.5 -1.5 22 Jun 806.6 738.1 average 109%
Coldstream 21.2 +1.0 40.1 17 Jan 7.7 +0.4 -5.1 23 Jun 660.4 741.8 average 89%
Coldstream Comparison 21.2 40.0 17 Jan 7.5 -5.2 23 Jun 658.0
Cranbourne Botanic Gardens 20.0 +0.7 39.5 17 Jan 10.1 +0.5 -0.2 22 Jun 921.8 835.5 average 110%
Essendon Airport 20.9 +1.3 41.7 17 Jan 10.6 +1.4 -0.8 10 Jul 604.6 591.9 average 102%
Ferny Creek 17.3 36.4 4 Jan 9.3 1.2 20 Aug
Frankston AWS 19.3 +0.7 38.4 4 Jan 11.9 +0.3 3.2 21 Jun
Melbourne Airport 20.9 +1.2 41.5 4 Jan 10.2 +0.7 -0.4 13 Sep 558.6 547.4 average 102%
Melbourne Regional Office 21.5 +1.7 41.1 4 Jan 12.2 +2.0 1.5 23 Jun 638.4 649.4 average 98%
Moorabbin Airport 20.7 +1.0 41.5 4 Jan 10.7 +0.6 -1.9 23 Jun 644.6 715.8 low 90%
Rhyll 19.4 +0.9 37.1 19 Dec 12.3 +0.7 5.1 20 Aug 843.6 699.3 high 121%
Scoresby Research Institute 20.9 +1.4 40.1 17 Jan 10.1 +0.6 -1.7 23 Jun 832.4 866.0 average 96%
Viewbank 21.3 +0.6 41.0 17 Jan 10.2 +0.4 -1.3 23 Jun 669.2 679.1 average 99%
Wallan (Kilmore Gap) 17.8 +1.2 38.2 7 Jan 8.6 +0.7 1.1 3 Aug 701.0 696.2 average 101%
Wonthaggi 19.7 +0.9 40.1 4 Jan 10.8 +1.2 1.6 22 Jun 1143.1 939.5 high 122%
West Central (district 87)
Avalon Airport 21.1 +0.9 43.0 4 Jan 9.7 +0.4 -1.6 22 Jun 434.8 462.3 average 94%
Breakwater (Geelong Racecourse) 20.6 42.2 4 Jan 10.2 -0.2 22 Jun 452.8
Laverton RAAF 20.7 +1.0 41.7 4 Jan 10.2 +0.9 -1.5 23 Jun 493.6 541.4 average 91%
Sheoaks 19.8 +1.1 40.9 4 Jan 8.6 +0.2 -1.5 23 Jun 492.8 505.4 average 98%
North Central (district 88)
Castlemaine Prison 20.5 +0.7 39.5 17 Jan 8.4 +0.8 -1.5 5 May 534.8 599.0 low 89%
Eildon Fire Tower 18.6 +0.8 37.2 7 Jan 8.9 +0.5 0.9 20 Aug 598.8 648.7 average 92%
Lake Eildon 21.5 +1.1 40.0 20 Dec 8.4 +0.5 -2.8 23 Jun 722.8 852.3 low 85%
Mangalore Airport 22.1 +1.1 42.6 20 Dec 8.8 +0.5 -2.2 21 Jun 459.2 572.4 low 80%
Maryborough 21.5 +1.0 41.4 4 Jan 8.6 +0.6 -1.4 10 Jul 489.7 529.1 average 93%
Redesdale 21.4 +1.2 41.3 20 Dec 7.7 +0.4 -1.5 18 Oct 559.8 580.4 average 96%
Western Plains (district 89)
Ararat Prison 20.4 +1.3 41.0 4 Jan 7.7 +0.7 -3.2 20 Jun 436.4 588.2 low 74%
Ballarat Aerodrome 18.6 +1.2 39.0 4 Jan 7.2 +0.2 -4.3 9 Jul 570.2 693.9 low 82%
Westmere 20.2 42.6 4 Jan 7.1 -2.8 20 Jun 469.0
West Coast (district 90)
Aireys Inlet 19.2 +1.0 43.3 4 Jan 11.1 +0.5 3.6 20 Aug 703.4 638.5 average 110%
Cape Nelson Lighthouse 18.4 +0.9 41.9 4 Jan 12.0 +0.6 3.9 9 Jul 997.6 714.8 highest 140%
Casterton 20.3 42.9 4 Jan 8.7 -2.5 9 Jul 631.8
Colac (Mount Gellibrand) 19.2 +1.0 42.1 4 Jan 9.2 +0.4 2.4 20 Aug 567.8 541.7 average 105%
Dartmoor 20.2 44.4 4 Jan 9.0 -1.9 9 Jul 821.6
Hamilton Airport 19.8 +0.7 42.4 4 Jan 8.2 +0.6 -2.1 9 Jul 558.8 618.6 low 90%
Mortlake Racecourse 20.2 +1.1 42.8 4 Jan 8.0 +0.5 -2.6 9 Jul 559.8 579.7 average 97%
Port Fairy AWS 19.4 +0.8 43.1 4 Jan 10.9 +0.5 1.4 9 Jul 952.0 702.9 highest 135%
Portland (Cashmore Airport) 18.6 +1.0 42.1 4 Jan 10.0 +0.7 0.7 9 Jul 1157.2 836.1 highest 138%
Portland NTC AWS 17.9 40.0 4 Jan 11.9 2.9 9 Jul
Warrnambool Airport NDB 19.6 +0.7 43.0 4 Jan 9.2 +0.8 -1.8 24 Jun 793.0 735.6 high 108%

Notes

A Annual 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 8 am on Thursday 2 January 2014. 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.

Further information

Media
(03) 9669 4057
Enquiries