Melbourne area in autumn 2014: Warm days and nights

Autmn was highlighted by warm day and night temperatures. The warmth was experienced across much of Australia and is detailed in Special Climate Statement 49  However, rainfall in most parts of the state was near average with some pockets on the south of the state recording belwo average rainfall :

  • Melbourne Regional Office recorded a record 13 consecutive days above 20C in May

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Extremes in autumn 2014
Hottest day 36.2 C at Essendon Airport on 10 Mar
36.1 C at Avalon Airport on 1 Apr
35.5 C at Avalon Airport on 4 Mar
Warmest days on average 21.9 C at Coldstream
21.9 C at Melbourne Regional Office
21.9 C at Viewbank
21.8 C at Scoresby Research Institute
21.6 C at Avalon Airport
21.6 C at Moorabbin Airport
Coolest days on average 17.7 C at Ferny Creek
21.0 C at Cerberus
21.1 C at Cranbourne Botanic Gardens
Coldest day 9.9 C at Ferny Creek on 4 May
10.3 C at Ferny Creek on 2 May
10.7 C at Ferny Creek on 1 May
Coldest night -2.0 C at Coldstream on 8 May
-1.1 C at Coldstream on 25 Apr
-0.2 C at Coldstream on 28 Apr
Coolest nights on average 8.7 C at Coldstream
10.8 C at Avalon Airport
10.8 C at Ferny Creek
11.1 C at Viewbank
Warmest nights on average 13.2 C at Melbourne Regional Office
12.9 C at Melbourne (Olympic Park)
11.9 C at Essendon Airport
11.9 C at Moorabbin Airport
Warmest night 23.6 C at Laverton RAAF on 2 Apr
23.0 C at Melbourne Regional Office on 2 Apr
22.6 C at Bundoora (Latrobe University) on 2 Apr
22.6 C at Moorabbin Airport on 2 Apr
22.6 C at Scoresby Research Institute on 2 Apr
Warmest on average overall 17.6 C at Melbourne Regional Office
17.1 C at Melbourne (Olympic Park)
16.7 C at Essendon Airport
16.7 C at Moorabbin Airport
Coolest on average overall 14.3 C at Ferny Creek
15.3 C at Coldstream
16.0 C at Cranbourne Botanic Gardens
Wettest overall 294.2 mm at Ferny Creek
207.6 mm at Scoresby Research Institute
175.2 mm at Coldstream
Driest overall 103.2 mm at Laverton RAAF
106.2 mm at Melbourne Airport
113.6 mm at Avalon Airport
Wettest day 40.4 mm at Ferny Creek on 30 Apr
34.6 mm at Scoresby Research Institute on 30 Apr
27.6 mm at Cranbourne Botanic Gardens on 16 Mar
Highest wind gust 91 km/h at Avalon Airport on 15 Mar
81 km/h at Melbourne Airport on 28 Apr
81 km/h at Melbourne Airport on 15 May
78 km/h at Laverton RAAF on 22 Apr

Record highest autumn mean daily minimum temperature
Mean daily minimum
temperature
for autumn 2014 (C)
Previous warmest
for autumn
Years of
record
Average for
autumn
Essendon Airport 11.9 11.7 in 2010 44 10.0

Highest autumn mean daily minimum temperature for at least 10 years
Mean daily minimum
temperature
for autumn 2014 (C)
Most recent autumn
at least this warm
Years since
warmer
Average for
autumn
Moorabbin Airport 11.9 12.3 in 1974 40 10.6
Melbourne Airport 11.6 11.7 in 1989 25 10.4
Scoresby Research Institute 11.4 12.7 in 1989* 22 10.2

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




Summary statistics for autumn 2014
Maximum temperatures
for autumn
(C)
Minimum temperatures
for autumn
(C)
Rainfall
for autumn
(millimetres)
Mean for
autumn
2014
Diff
from
average
Highest for
autumn
2014
Mean for
autumn
2014
Diff
from
average
Lowest for
autumn
2014
Total for
autumn
2014
Average
for
autumn
Rank of
autumn
2014
Fraction of
autumn
average
East Central (district 86)
Bundoora (Latrobe University) 21.5 +1.0 35.0 10 Mar 11.3 +1.2 1.2 8 May 144.9 151.7 average 96%
Cerberus 21.0 +1.3 34.1 1 Apr 11.4 +1.2 1.4 8 May 133.6 178.1 low 75%
Coldstream 21.9 +1.3 34.1 10 Mar 8.7 +1.5 -2.0 8 May 175.2 173.7 average 101%
Cranbourne Botanic Gardens 21.1 +1.2 33.6 4 Mar 11.2 +0.9 1.5 8 May 158.5 179.1 average 88%
Essendon Airport 21.4 +1.3 36.2 10 Mar 11.9 +1.9 1.3 8 May 128.4 143.3 average 90%
Ferny Creek 17.7   30.6 10 Mar 10.8   4.3 8 May 294.2
Melbourne (Olympic Park) 21.3   33.1 1 Apr 12.9   4.1 8 May 123.6
Melbourne Airport 21.3 +1.0 35.2 10 Mar 11.6 +1.2 2.3 8 May 106.2 120.7 average 88%
Melbourne Regional Office 21.9 +1.6 33.7 4 Mar 13.2 +2.3 4.3 8 May 136.2 163.1 average 84%
Moorabbin Airport 21.6 +1.3 34.6 10 Mar 11.9 +1.3 2.2 8 May 143.6 176.7 low 81%
Scoresby Research Institute 21.8 +1.7 33.7 10 Mar 11.4 +1.2 1.2 8 May 207.6 212.1 average 98%
Viewbank 21.9 +0.7 34.7 4 Mar 11.1 +1.0 1.5 8 May 156.6 153.8 average 102%
West Central (district 87)
Avalon Airport 21.6 +1.0 36.1 1 Apr 10.8 +1.0 0.8 8 May 113.6 98.1 high 116%
Laverton RAAF 21.3 +1.1 34.9 1 Apr 11.6 +1.6 1.4 8 May 103.2 126.8 average 81%

Notes

A Seasonal Climate Summary is prepared to list the main features of the weather in Melbourne area 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.

A Climate Summary is generally published on the first working day of each month.

This statement has been prepared based on information available at 12 pm on Tuesday 3 June 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.

Further information

Media
(03) 9669 4057
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