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FINAL MONTHLY CLIMATE SUMMARY - VICTORIA
Final Bureau of Meteorology figures show that April 2005 has been exceptionally warm and dry across Victoria, with the State experiencing its warmest April in at least 50 years. Furthermore, an April as dry as that of 2005 occurs in Victoria only once in every five years.
On a national scale, April 2005 has been the warmest April recorded in Australia also for at least 50 years. The Australian mean temperature was nearly 3 deg C above average. In addition, April 2005 was the sixth driest April on record across the nation.
In regard to rainfall across Victoria, the Mallee, Wimmera, North Central and Northern Country Districts have received only between 5 and 10 mm for the month (during a normal April, these Districts receive between 30 and 50 mm). Southern Victorian Districts have fared only slightly better, averaging between 20 and 30 mm (during a normal April these Districts receive between 50 and 70 mm).
There was only one significant rainfall event, when a frontal system rich in moisture crossed the State between April 15 and April 16. Melbourne recorded 22 mm in 24 hours during this event.
Sunny skies were a feature of the month and daytime temperatures have been very high, averaging between 3 and 4 deg C above normal throughout the State. April 10 was the month's hottest day at most places, Kerang registering Victoria's top temperature for the month of 37 deg C, whilst Melbourne recorded 34.5 deg C (the second warmest April day on record).
Overnight temperatures were also above normal, being mostly between 1 and 2 deg C above the long term normals.
The minimum temperature in Melbourne on April 10 was 22.4 deg C, one of the highest ever for April. Melbourne's average April maximum temperature was 24.1 deg C (normal: 20.6 deg C), the highest on record. The average April minimum temperature was 13.5 deg C (normal: 11.7 deg C). 30.6 mm of rain fell during April (normal: 52.7 mm).
Included in this summary are a table of State extremes, some new records, and summaries for sites across the State. Visit our maps of rainfall and temperatures for this month.
Weather extremes during April 2005 | |||
|---|---|---|---|
| Highest temperature Hottest day |
37.0 °C | Kerang on 10th | |
| Highest mean daily maximum temperature Warmest days on average |
27.5 °C |
Mildura Airport
and Ouyen (Post Office) | |
| Lowest mean daily maximum temperature Coolest days on average |
11.3 °C | Mt Hotham | |
| Lowest daily maximum temperature Coldest day |
3.4 °C | Mt Hotham on 30th | |
| Lowest temperature Coldest night |
-2.8 °C | Mt Hotham on 30th | |
| Lowest mean daily minimum temperature Coldest nights on average |
5.0 °C | Mt Hotham | |
| Highest mean daily minimum temperature Mildest nights on average |
14.9 °C | Wilsons Promontory Lighthouse | |
| Highest daily minimum Warmest night |
23.4 °C | Wilsons Promontory Lighthouse on 2nd | |
| Highest total rainfall Wettest overall |
55.0 mm | Mt Hotham | |
| Lowest total rainfall Driest overall |
3.0 mm | Horsham (Polkemmet) | |
| Highest daily rainfall Wettest day |
27.4 mm | Orbost on 15th | |
Record Highest Mean Maximum Temperature for April |
||||
|---|---|---|---|---|
|
Mean daily maximum temperature for April 2005 (°C) |
Previous highest for April |
Years of record |
||
| Melbourne Regional Office | 24.1 | 23.1 | in 1993 |
150 |
| Echuca Aerodrome | 26.3 | 25.8 | in 1923 |
124 |
| Ouyen | 27.5 | 26.2 | in 1941 |
69 |
| Longerenong | 25.6 | 25.2 | in 1967 |
68 |
| East Sale Airport | 23.6 | 22.6 | in 1980 |
60 |
| Mildura Airport | 27.5 | 26.3 | in 2002 |
59 |
| Mangalore Airport | 25.0 | 24.2 | in 2002 |
46 |
| Lake Eildon | 24.2 | 23.3 | in 2002 |
36 |
| Wonthaggi | 22.0 | 21.5 | in 1993 |
36 |
| Castlemaine Prison | 23.6 | 22.5 | in 1967 |
35 |
| Point Hicks | 22.3 | 22.1 | in 1968 |
35 |
| Warracknabeal Museum | 26.3 | 24.9 | in 2002 |
32 |
| Bairnsdale Airport | 23.8 | 22.8 | in 1993 |
24 |
| Portland | 21.2 | 20.5 | in 1993 |
23 |
| Albury Airport | 26.1 | 24.5 | in 2002 |
22 |
| Morwell | 23.8 | 22.6 | in 1993 |
22 |
| Noojee | 22.1 | 20.6 | in 2002 |
22 |
| Hamilton Airport | 23.3 | 22.6 | in 2002 |
21 |
Highest Mean Maximum Temperature for 20 years or more for April |
|||
|---|---|---|---|
|
Mean daily maximum temperature for April 2005 (°C) |
Most recent higher for April |
||
| Wilsons Promontory Lighthouse | 20.4 | 22.4 | in 1879 |
| Cape Otway Lighthouse | 20.5 | 22.2 | in 1886 |
| Ballarat Aerodrome | 21.8 | 22.2 | in 1923 |
| Nhill | 25.8 | 26.6 | in 1923 |
| Kerang | 26.8 | 27.2 | in 1923 |
| Maryborough | 24.4 | 25.1 | in 1923 |
| Horsham | 26.1 | 27.8 | in 1923 |
| Benalla | 25.8 | 26.0 | in 1938 |
Record Highest Temperature for April |
||||||
|---|---|---|---|---|---|---|
|
Highest temperature in April 2005 (°C) |
Previous highest for April |
Years of record |
||||
| Wilsons Promontory Lighthouse | 32.2 | on 10th |
29.2 | on 14th in 2004 |
126 | |
| Ballarat Aerodrome | 31.5 | on 10th |
31.1 | on 4th in 1986 |
97 | |
| Horsham | 35.2 | on 2nd |
= 35.2 | on 14th in 2004 |
94 | |
| Kerang | 37.0 | on 10th |
36.0 | on 14th in 2004 |
94 | |
| Wonthaggi | 32.8 | on 10th |
31.8 | on 12th in 1985 |
36 | |
| Portland | 34.2 | on 9th |
33.7 | on 4th in 1992 |
23 | |
Record Highest Mean Daily Minimum Temperature for April |
||||
|---|---|---|---|---|
|
Mean daily minimum temperature for April 2005 (°C) |
Previous highest for April |
Years of record |
||
| Castlemaine Prison | 10.4 | 9.9 | in 1974 |
35 |
Highest Mean Minimum Temperature for 20 years or more for April |
|||
|---|---|---|---|
|
Mean daily minimum temperature for April 2005 (°C) |
Most recent higher for April |
||
| Wilsons Promontory Lighthouse | 14.9 | 15.4 | in 1909 |
| Melbourne Regional Office | 13.5 | 13.8 | in 1968 |
| Ouyen | 11.6 | 12.0 | in 1974 |
| Mildura Airport | 11.6 | 12.3 | in 1980 |
Record Highest Daily Minimum Temperature for April |
||||||
|---|---|---|---|---|---|---|
|
Highest daily minimum temperature in April 2005 (°C) |
Previous highest for April |
Years of record |
||||
| Wilsons Promontory Lighthouse | 23.4 | on 2nd |
22.8 | on 27th in 1994 |
126 | |
| Kerang | 22.1 | on 3rd |
19.5 | on 15th in 2004 |
94 | |
| Mildura Airport | 22.4 | on 3rd |
21.7 | on 13th in 1993 |
59 | |
| Mangalore Airport | 21.2 | on 3rd |
20.0 | on 6th in 1987 |
46 | |
| Castlemaine Prison | 21.5 | on 10th |
19.0 | on 12th in 1985 |
35 | |
| Portland | 21.1 | on 1st |
17.9 | on 29th in 2000 |
23 | |
| Hamilton Airport | 21.1 | on 10th |
20.4 | on 15th in 1986 |
21 | |
Summary statistics for April 2005 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Maximum temperatures for April (°C) |
Minimum temperatures for April (°C) |
Rainfall for April (mm) |
||||||
| Mean for 2005 | Difference from normal | Highest for 2005 | Mean for 2005 | Difference from normal | Lowest for 2005 | Total for 2005 | Normal total | |
| Albury Airport | 26.1 | +3.7 | 33.0 | 9.6 | +1.4 | 3.0 | 14 | 52 |
| Bairnsdale Airport | 23.8 | +3.3 | 34.7 | 9.9 | +1.4 | 2.4 | 33 | 56 |
| Ballarat Aerodrome | 21.8 | +3.8 | 31.5 | 8.4 | +0.5 | 2.3 | 13 | 55 |
| Benalla | 25.8 | +3.7 | 33.8 | 9.8 | +1.3 | 2.2 | 11 | 56 |
| Bendigo Airport | 24.7 | +3.9 | 33.7 | 9.5 | +0.1 | 1.6 | 13 | 48 |
| Cape Otway Lighthouse | 20.5 | +2.7 | 32.2 | 12.9 | +0.9 | 8.7 | 43 | 75 |
| Castlemaine Prison | 23.6 | +3.2 | 32.0 | 10.4 | +3.1 | 2.5 | 18 | 48 |
| Cerberus | 22.4 | +3.7 | 33.1 | 10.7 | -1.0 | 4.8 | 31 | 61 |
| Colac | 22.2 | +2.6 | 32.4 | 11.0 | +3.0 | 7.0 | 14 | 64 |
| Coldstream | 23.2 | +2.9 | 31.8 | 7.9 | +2.4 | 0.9 | 19 | 75 |
| East Sale Airport | 23.6 | +3.2 | 33.7 | 9.6 | +0.7 | 3.0 | 25 | 53 |
| Echuca Aerodrome | 26.3 | +3.8 | 35.2 | 10.3 | +0.6 | 4.9 | 5 | 35 |
| Geelong Airport | 23.3 | +3.4 | 34.8 | 10.4 | +1.1 | 5.4 | 14 | 56 |
| Hamilton Airport | 23.3 | +3.5 | 33.6 | 9.4 | +1.2 | 3.4 | 14 | 38 |
| Horsham | 26.1 | +4.5 | 35.2 | 8.4 | -0.3 | 2.9 | 3 | 30 |
| Kerang | 26.8 | +4.2 | 37.0 | 10.8 | +0.9 | 3.5 | 4 | 32 |
| Kilmore Gap | 20.3 | +5.2 | 30.7 | 10.4 | +2.9 | 5.5 | 31 | 66 |
| Lake Eildon | 24.2 | +3.7 | 31.6 | 9.5 | +1.4 | 3.5 | 27 | 69 |
| Longerenong | 25.6 | +3.9 | 34.9 | 9.0 | +0.3 | 1.8 | 11 | 29 |
| Mangalore Airport | 25.0 | +3.6 | 34.2 | 9.3 | +0.5 | 1.0 | 6 | 45 |
| Maryborough | 24.4 | +3.5 | 33.0 | 9.5 | +0.7 | 3.5 | 12 | 45 |
| Melbourne Regional Office | 24.1 | +3.5 | 34.5 | 13.5 | +1.7 | 7.7 | 31 | 53 |
| Mildura Airport | 27.5 | +4.0 | 35.9 | 11.6 | +1.1 | 4.5 | 3 | 24 |
| Morwell | 23.8 | +3.5 | 34.8 | 9.8 | +1.4 | 2.1 | 23 | 61 |
| Mt Hotham | 11.3 | +2.9 | 15.3 | 5.0 | +3.5 | -2.8 | 55 | 133 |
| Nhill | 25.8 | +3.9 | 35.2 | 8.4 | -0.1 | 0.8 | 13 | 29 |
| Noojee | 22.1 | +3.5 | 31.0 | 9.1 | +1.8 | 4.2 | 45 | 90 |
| Orbost | 23.2 | +1.9 | 33.0 | 11.8 | +2.2 | 5.0 | 41 | 80 |
| Ouyen | 27.5 | +4.1 | 35.6 | 11.6 | +1.6 | 5.3 | 5 | 27 |
| Point Hicks | 22.3 | +2.6 | 32.8 | 14.6 | +1.5 | 10.9 | 33 | 87 |
| Portland | 21.2 | +3.0 | 34.2 | 9.7 | -0.1 | 3.0 | 41 | 59 |
| Shepparton Airport | 25.7 | +4.3 | 34.4 | 9.6 | +0.8 | 2.7 | 27 | 47 |
| Stawell Aerodrome | 24.4 | +4.2 | 33.3 | 9.2 | +0.3 | 3.5 | 10 | 45 |
| Swan Hill Aerodrome | 27.2 | +4.2 | 36.9 | 10.3 | -0.1 | 3.4 | 6 | 31 |
| Wangaratta Aero | 25.8 | +3.6 | 33.9 | 6.6 | -0.2 | -0.9 | 6 | 45 |
| Warracknabeal Museum | 26.3 | +4.2 | 34.6 | 9.9 | +0.8 | 4.0 | 13 | 33 |
| Warrnambool Airport Ndb | 23.2 | +4.4 | 34.8 | 8.8 | -0.2 | 1.9 | 28 | 69 |
| Wilsons Promontory Lighthouse | 20.4 | +3.1 | 32.2 | 14.9 | +1.8 | 11.5 | 46 | 84 |
| Wonthaggi | 22.0 | +2.5 | 32.8 | 11.7 | +1.4 | 6.0 | 32 | 77 |
| Yarrawonga | 26.5 | +3.9 | 34.1 | 10.8 | +2.3 | 3.4 | 8 | 40 |
This statement has been prepared based on information available at
1 PM on Monday 2 May 2005
. Although every effort has been made to check them,
it is possible that results may change as new information becomes available.
Long term averages are calculated using the WMO standard of 1961 to 1990.
Localities with blank averages may not have long enough records for a WMO
average. However, climate averages for nearby Victoria localities are available
here.
Please use the following localities to cover these regions: Coldstream for the Yarra
Glen area; Ceberus for the Mornington Peninsula; Morwell for the Latrobe Valley;
Mangalore for Seymour; Mt Hotham for the Alpine area.
Daily Weather Observations for selected Victoria localities are available
here.
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