Canberra in June 2013: A wet, warm start to winter.

  • Wettest June since 2007, ninth-wettest on record
  • Equal-sixth-warmest June mean maximum temperatures on record

Rainfall - Wettest June since 2007

Canberra Airport recorded 85.2 mm of rain during June, double the historical average. This was the wettest June since 92.8 mm was recorded in 2007, and the ninth-wettest on record. The rain fell over 15 days, well above the historical average of 10 days, of which three exceeded 10 mm (average 1 day), the most since 2007.

A surface trough produced totals of 27.2 mm at the airport and 35.0 mm at Mt Ginini on the 2nd, with a second trough and inland low producing 15 mm of rain at the airport on the 13th. At the end of the month, a surface trough and East Coast Low off the NSW coast also produced falls of 25.8 mm at the airport and up to 36 mm at Tharwa.

Temperature - Warmest June since 2008

The average maximum temperature at Canberra Airport during June was 13.9 °C, 1.6 °C above the historical average. This was the warmest June since 2008, and the equal-sixth-warmest on record, associated with a lack of cold days during the month. No days dropped below 10 °C during the month (average 5 days), the first time since June 2008 and only the seventh time on record. Eight days reached at least 15 °C (average 3 days), the most since 2008, while temperatures remained above 14 °C for 8 consecutive days on 4-11 June.

The average minimum temperature was 1.6 °C, 0.6 °C above the historical average and the warmest June since 2009. There were nine nights above 5 °C, and 13 nights of 0 °C or lower, close to normal for June. The coldest spell was between 20-22 June, with three consecutive nights below -3 °C, dropping to -5.2 °C on the 23rd. The mean temperature was consequently 7.7 °C, 1.1 °C above the historical average and the warmest June since 2009.

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Extremes in June 2013
Hottest day 16.7 °C at Canberra Airport on the 4th
Warmest days on average 13.9 °C at Canberra Airport
Coolest days on average 4.7 °C at Mount Ginini AWS
Coldest day 0.1 °C at Mount Ginini AWS on the 24th
Coldest night -5.5 °C at Tuggeranong (Isabella Plains) AWS on the 22nd
Coolest nights on average -0.4 °C at Mount Ginini AWS
Warmest nights on average 1.9 °C at Tuggeranong (Isabella Plains) AWS
Warmest night 9.0 °C at Canberra Airport on the 2nd
Warmest on average overall 7.7 °C at Canberra Airport
Coolest on average overall 2.1 °C at Mount Ginini AWS
Wettest overall 113.6 mm at Mount Ginini AWS
Wettest day 36.0 mm at Tharwa General Store on the 25th
Highest wind gust 89 km/h at Mount Ginini AWS on the 14th

Summary statistics for June 2013
Maximum temperatures
for June
(°C)
Minimum temperatures
for June
(°C)
Rainfall
for June
(millimetres)
Mean for
June
2013
Diff
from
average
Highest for
June
2013
Mean for
June
2013
Diff
from
average
Lowest for
June
2013
Total for
June
2013
Average
for
June
Rank of
June
2013
Fraction of
June
average
Canberra Airport 13.9 +1.6 16.7 4th 1.6 +0.6 -5.2 22nd 85.2 40.4 high 211%
Mount Ginini AWS 4.7   10.8 9th -0.4   -4.2 23rd 113.6
Tuggeranong (Isabella Plains) AWS 13.4   16.4 4th 1.9   -5.5 22nd 79.8

Notes

As of March 2010, the official station for Canberra is 70351 'Canberra Airport'. Averages from the previous site, 70014 Canberra Airport Comparison, are used for comparisons.

A Monthly Climate Summary is prepared to list the main features of the weather in Canberra 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 9 am on Monday 1 July 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 20 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
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