Thursday, 2 December 2010 - Monthly Climate Summary for ACT Monthly Summary - Product code IDCKGC25R0

Canberra in November 2010: Wet end to spring

  • Wettest November since 1995
  • Wettest end to the month on record
  • Cool days, warm nights

Details Extremes Records Summaries Important notes the top

Rainfall

Canberra Airport recorded 121.4 mm of rainfall during November. This is well above the historical average1 of 63.9 mm, and the wettest November since 1995 for Canberra, when 138.2 mm was recorded. The rain fell on 9 days (average 10 days), with the most significant falls occurring at the end of the month, associated with the passage of a low pressure trough. Rainfall totalled 62.8 mm during the last three days of the month - this is the wettest end to November on record for Canberra.

Temperature

The average maximum temperature for Canberra was 22.5°C. This is close to the historical average of 22.7°C, yet significantly cooler than November 2009 mean of 29.0°C. The warmest day at Canberra was 27.7°C recorded on the 12th and 13th, and the coolest day was 13.4°C on the 4th. Across the ACT the warmest day was 28.2°C at Tuggeranong AWS on the 12th, and the coolest day was 4.8°C at Mount Ginini on the 4th.

The average minimum temperature for Canberra during October was 9.7°C, which is above the historical average of 8.8°C, but cooler than the 2009 average of 12.7°C. This is the coolest November since 2004 (9.3°C) for Canberra minimum temperatures. Nil nights dropped below freezing, which is average for this time of year. The coolest night at Canberra was 3.5°C on the 3rd, and for the ACT the coolest was -0.8°C at Mount Ginini on the 5th.

Wind

Canberra Airport experienced prevailing north to north-westerly winds during November, with a frequency of 56% from this direction at 3pm, which is about average for this time of year. The highest wind gust at Canberra Airport was 52 km/hr from the west on the 10th

Other phenomena

Sunshine averaged 7.2 hours per day, which is below the historical average of 8.9 hours per day, and the least amount of sunshine recorded for November since 2000 (6.7 hours/day).

Further information

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Extremes in November 2010
Hottest day 28.2 °C at Tuggeranong (Isabella Plains) AWS on the 12th
Warmest days on average 22.5 °C at Canberra Airport
22.5 °C at Canberra Airport Comparison
22.5 °C at Tuggeranong (Isabella Plains) AWS
Coolest days on average 14.1 °C at Mount Ginini AWS
Coldest day 4.8 °C at Mount Ginini AWS on the 4th
Coldest night -0.8 °C at Mount Ginini AWS on the 5th
Coolest nights on average 5.8 °C at Mount Ginini AWS
Warmest nights on average 10.3 °C at Canberra Airport Comparison
10.3 °C at Tidbinbilla Nature Reserve
Warmest night 19.5 °C at Canberra Airport on the 15th
Wettest overall 210.0 mm at Mount Ginini AWS
Wettest day 50.0 mm at Canberra (Australian National Botanic Ga on the 29th
Highest wind gust 74 km/h at Mount Ginini AWS on the 28th

Details Extremes Records Summaries Important notes the top



Details Extremes Records Summaries Important notes the top

Summary statistics for November 2010
Maximum temperatures
for November
(°C)		 Minimum temperatures
for November
(°C)		 Rainfall
for November
(millimetres)
Mean for
November
2010		 Diff
from
average		 Highest for
November
2010		 Mean for
November
2010		 Diff
from
average		 Lowest for
November
2010		 Total for
November
2010		 Average
for
November		 Rank of
November
2010		 Fraction of
November
average
Southern Tablelands (Goulburn-Monaro) (district 70)
Canberra Airport 22.5   27.7 13th 9.7   3.5 3rd 121.4
Canberra Airport Comparison 22.5 -0.2 28.1 12th 10.3 +1.5 4.3 3rd 103.0 64.4 high 160%
Mount Ginini AWS 14.1   20.5 12th 5.8   -0.8 5th 210.0
Tidbinbilla Nature Reserve 21.7 -0.3 27.2 12th 10.3 +1.4 5.9 18th 155.2 86.0 v high 180%
Tuggeranong (Isabella Plains) AWS 22.5   28.2 12th 10.0   4.6 3rd 148.0

Details Extremes Records Summaries Important notes the top

Daily rainfall

Most values are the precipitation in the 24 hours to 9 am on the day indicated. Days marked with »» are part of a longer accumulation, which is marked like this on the final day. Values over 100 mm have been rounded to the nearest whole millimetre. Days marked with - have a rainfall report of zero; days left blank have no rainfall report (which often indicates no rain fell).
This table is very wide; you may have to scroll sideways to see all the days, and you may need to set the paper to 'landscape' to print.

Southern Tablelands (Goulburn-Monaro) (70)123456789101112131415161718192021222324252627282930
Canberra (Australian National Botanic Ga 22.2 1.8 0.2 3.0 13.6 8.6 0.2 0.4 23.2 0.2 9.0 50.0 13.4
Canberra Airport - 15.8 2.0 - - - - 4.0 8.8 - 6.0 - - - 22.0 - - - - - - - - - - - - 6.6 40.6 15.6
Canberra Airport Comparison - 13.0 1.8 0.2 - - - 2.8 9.2 - 3.6 0.2
2.4 18.2 0.2 - - - - - - - - - - - 5.6 32.2 13.6
Mount Ginini AWS - 21.2 - 0.8 0.6 1.0 1.8 2.4 18.4 0.4 17.8 - - 15.2 48.8 1.0 - - - 0.8 - - - - - - - 17.6 47.4 14.8
Nicholls (Gungahlin Lakes)
21.2 0.6



2.6





23.0 1.2










3.0 47.0 12.0
Tharwa General Store
20.0 3.6 0.8 2.6
5.4 0.6 0.8
9.0

4.2 25.0











4.2 35.6 13.6
Tidbinbilla Nature Reserve 0.2 41.0 0.8 3.0 - - 3.0 1.0 1.8 - 7.8 - - 6.8 26.8 - - - - - - - - - - - - 9.8 45.0 8.2
Torrens (Darke St)

1.4 0.2






















12.4 33.6 13.0
Tuggeranong (Isabella Plains) AWS - 20.2 1.4 0.2 2.0 - 4.6 2.4 7.4 - 16.4 - - 3.0 33.2 - - - - - - - - - - - - 7.2 35.6 14.4

Details Extremes Records Summaries Important notes the top

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 (all years of record).

A Monthly Climate Summary is prepared to list the main features of the weather in ACT Monthly Summary 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 11 am on Thursday 2 December 2010. 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.

Further information

Media
(03) 9669 4057
Enquiries

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