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Wednesday, 1 December 2010 - Monthly Climate Summary for Melbourne Metropolitan Area and Environs - Product code IDCKGC1xx0
Rainfall across the Melbourne Metropolitan area was generally above average for November. Rainfall was persistent with several stations recording 19 rain days this month. Mean maximum temperatures were generally close to average. Mean minimum temperatures were generally above average.
Rainfall totals for November ranged from 81.4 mm at Cerberus to 148.6 mm at Ferny Creek (Dunns Hill). Cranbourne Botanic Gardens had the smallest anomaly, receiving 131% of their normal rainfall while Avalon Airport had the largest anomaly, receiving 256% of their normal rainfall. The wettest single day was the 28th when 39.2 mm was recorded at Ferny Creek (Dunns Hill). The majority of stations also recorded their wettest day for the month on the 28th. Most stations recorded above average rainfall but Melbourne Airport and Laverton RAAF recorded very much above average rainfall, whilst Avalon Airport recorded its wettest November ever.
Some sites had their highest total November rainfall on record. Some sites had their highest total November rainfall for at least 20 years.
Average maximum temperatures for November ranged from 18.1 °C at Ferny Creek (Dunns Hill) to 23.2 °C at Melbourne Regional Office. Viewbank (ARPANSA) had the coolest anomaly, -1.5 °C, while Melbourne Regional Office had the warmest anomaly of 1.3 °C. The hottest day was 33.3 °C at Melbourne Regional Office on the 22nd and the majority of stations also recorded their warmest day on the 22nd. The coldest day was 9.7 °C at Ferny Creek (Dunns Hill) on the 3rd and most other stations also recorded their coolest day on the 3rd.
Average minimum temperatures for November ranged from 9.7 °C at Ferny Creek (Dunns Hill) and Coldstream, to 13.4 °C at Melbourne Regional Office. Viewbank (ARPANSA) had the smallest anomaly with 0.2 °C and Melbourne Regional Office had the largest with 2.2 °C. The coldest night was 2.9 °C at Coldstream on the 19th, almost half of the stations recorded their coldest nights on the 5th. The warmest night was 21.9 °C at Cerberus on the 24th, all stations except Melbourne Airport and Coldstream recorded their warmest night for the month on the 24th.
The strongest wind gust was 98 km/h at Ferny Creek (Dunns Hill) on the 12th, followed by 89 km/h at Moorabbin Airport on the 12th, and then 74 km/h at Melbourne Airport on the 7th.
|Extremes in November 2010|
|Hottest day||33.3 °C at Melbourne Regional Office on the 22nd|
|Warmest days on average||23.2 °C at Melbourne Regional Office|
|Coolest days on average||18.1 °C at Ferny Creek (Dunns Hill)|
|Coldest day||9.7 °C at Ferny Creek (Dunns Hill) on the 3rd|
|Coldest night||2.9 °C at Coldstream on the 19th|
|Coolest nights on average||
9.7 °C at Coldstream|
9.7 °C at Ferny Creek (Dunns Hill)
|Warmest nights on average||13.4 °C at Melbourne Regional Office|
|Warmest night||21.9 °C at Cerberus on the 24th|
|Wettest overall||148.6 mm at Ferny Creek (Dunns Hill)|
|Driest overall||81.4 mm at Cerberus|
|Wettest day||39.2 mm at Ferny Creek (Dunns Hill) on the 28th|
|Highest wind gust||98 km/h at Ferny Creek (Dunns Hill) on the 12th|
|Record highest total November rainfall|
|Total rainfall||Previous highest||Years of
|Avalon Airport||120.8||106.4||in 1978||30||47.1|
|Highest total November rainfall for at least 20 years|
Most recent November
this high or higher
|Laverton RAAF||119.6||133.2||in 1978||32||52.3|
|Melbourne Airport||130.4||158.0||in 1988||21||62.8|
|Summary statistics for November 2010|
|Maximum temperatures||Minimum temperatures||Rainfall|
|East Central (district 86)|
|Bundoora (Latrobe University)||22.7||+0.3||32.2||22nd||11.1||+0.5||5.5||5th||104.5||69.4||high||151%|
|Cranbourne Botanic Gardens||21.3||+0.3||31.6||22nd||11.2||+0.9||5.6||4th||96.5||73.8||high||131%|
|Essendon Airport||22.0||+0.4||31.4||22nd||11.4||+1.6||5.1||5th||111.8||58.6||v high||191%|
|Ferny Creek (Dunns Hill)||18.1||+0.1||27.3||22nd||9.7||+0.6||3.9||4th||148.6||105.9||high||140%|
|Melbourne Airport||22.0||+0.1||31.6||22nd||11.1||+0.8||5.4||5th||130.4||62.8||v high||208%|
|Melbourne Regional Office||23.2||+1.3||33.3||22nd||13.4||+2.2||8.8||5th||107.0||60.1||high||178%|
|Moorabbin Airport||22.1||+0.6||32.5||12th||12.3||+1.3||6.7||6th||113.2||62.6||v high||181%|
|Scoresby Research Institute||22.3||+1.0||31.5||22nd||11.5||+1.2||4.9||4th||120.4||81.3||high||148%|
|West Central (district 87)|
|Laverton RAAF||21.6||+0.1||31.5||22nd||11.6||+1.5||4.8||5th||119.6||52.3||v high||229%|
A Monthly Climate Summary is prepared to list the main features of the weather in Melbourne Metropolitan Area and Environs 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 12 pm on Wednesday 1 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 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
(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.