Melbourne's warmest spring on record

Spring 2014 was very warm across Melbourne, with the mean maximum temperature the highest in 159 years of record at the Melbourne Regional Office station, and several other sites also having records. Daytime temperatures were 1 to 2 °C warmer than usual for spring. Average night-time temperatures ranged from typical to warmer than normal for the season.

Rainfall was average to below average, with most stations recording around 80% of their normal spring totals. Melbourne displayed its rainfall bias with the wettest station in the east, Ferny Creek, recording more than three times the total of the driest station in the west, Avalon Airport.

  • Highest spring mean maximum temperatures for some stations
  • Minimum temperatures mostly warmer than normal
  • Rainfall average to below average.

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Extremes in spring 2014
Hottest day 36.3 °C at Melbourne Airport on 8 Nov
Warmest days on average 22.0 °C at Melbourne Regional Office
Coolest days on average 17.5 °C at Ferny Creek
Coldest day 10.3 °C at Ferny Creek on 16 Sep
Coldest night -0.3 °C at Coldstream on 4 Sep
-0.3 °C at Avalon Airport on 22 Sep
Coolest nights on average 7.0 °C at Coldstream
Warmest nights on average 11.5 °C at Melbourne Regional Office
Warmest night 20.5 °C at Laverton RAAF on 8 Nov
Warmest on average overall 16.7 °C at Melbourne Regional Office
Coolest on average overall 12.8 °C at Ferny Creek
Wettest overall 292.0 mm at Ferny Creek
Driest overall 95.8 mm at Laverton RAAF
Wettest day 40.6 mm at Melbourne Regional Office on 16 Nov
Strongest wind gust 104 km/h at Avalon Airport on 30 Sep

Record highest spring mean daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
spring
Melbourne Regional Office 22.0 21.9 in 1961 159 19.6
Scoresby Research Institute 21.0 20.8 in 2009 54 19.0
Melbourne Airport 21.4 = 21.4 in 2009 44 19.3
Moorabbin Airport 20.8 20.7 in 2009 43 19.2



Summary statistics for spring 2014
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
spring
2014
Diff
from
average
Highest for
spring
2014
Mean for
spring
2014
Diff
from
average
Lowest for
spring
2014
Total for
spring
2014
Average
for
spring
Rank of
spring
2014
Fraction of
spring
average
Avalon Airport 21.9 +2.0 35.9 8 Nov 8.4 0.0 -0.3 22 Sep 99.6 146.2 low 68%
Bundoora (Latrobe University)     36.0 8 Nov 9.4 +0.5 1.7 4 Sep 154.0 193.3 low 80%
Cerberus 19.4 +1.0 33.5 8 Nov 9.3 +0.3 0.9 7 Sep 168.4 191.5 average 88%
Coldstream 21.1 +1.3 33.2 8 Nov 7.0 0.0 -0.3 4 Sep 173.8 211.0 average 82%
Cranbourne Botanic Gardens 19.9 +1.1 33.2 8 Nov 8.8 -0.2 3.2 4 Sep 200.5 243.9 average 82%
Essendon Airport 21.4 +2.2 35.9 8 Nov 9.6 +1.3 2.2 13 Sep 151.6 170.4 average 89%
Ferny Creek 17.5   29.9 8 Nov 8.1   3.4 12 Sep 292.0
Laverton RAAF 21.1 +1.9 35.6 8 Nov 9.2 +0.8 0.7 22 Sep 95.8 158.4 low 60%
Melbourne (Olympic Park) 21.0   35.0 30 Nov 11.2   4.8 4 Sep 135.2
Melbourne Airport 21.4 +2.1 36.3 8 Nov 9.0 +0.4 1.7 4 Sep 131.4 164.7 average 80%
Melbourne Regional Office 22.0 +2.4 35.2 8 Nov 11.5 +1.9 5.0 5 Sep 154.0 184.3 average 84%
Moorabbin Airport 20.8 +1.6 34.9 8 Nov 10.2 +0.8 2.4 5 Sep 148.0 198.5 low 75%
Scoresby Research Institute 21.0 +2.0 34.2 30 Nov 9.1 +0.2 1.3 4 Sep 201.4 249.9 low 81%
Viewbank 21.8 +1.4 35.7 30 Nov 9.4 +0.1 1.5 4 Sep 143.8 195.9 average 73%

Notes

A Seasonal Climate Summary is prepared to list the main features of the weather in Melbourne 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 10 am on Monday 1 December 2014. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

Averages for individual sites 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 used for temperature area averages.

Further information

Media
(03) 9669 4057
Enquiries