December 2005

RAINFALL

Most areas received below average rainfall for December. The average across the urban area was 33mm, ranging from 21mm at Hamlyn Heights to 50mm at Mt Duneed West. Rain fell on around 11 days and the heaviest falls were recorded at 9am on the 7th, associated with local thunderstorms.

TEMPERATURE and OTHER FEATURES

Geelong was 2.3 degrees hotter and twice as windy as normal for December. While the average daily minimum was 11.0 degrees (1.0 below normal) the average daily maximum was 26.5 degrees (3.3 degrees above normal). There were ten days on which the temperature exceeded 30 degrees. The average for December is only 4.5. The hottest days was 36.9 degrees on the 30th, and the warmest night was that of the 20th-21st when the minimum reached 17.5 degrees. An interesting feature was that, at midnight on New Year’s Eve, the temperature in parts of the Otways, in particular Lavers Hill, was an unprecedented 30 degrees, due to strong northerlies just prior to a cold front which brought 15mm to the town on the next day.

It was also a windy month, with 12 days recording gusts over 60kph at Mt Duneed. The strongest gusts reached 96kph on the 4th and 85kph on the 15th and 25th.

There were 4 thunder days but no severe storms in the urban area, despite some wind damage on the 4th and 15th.

RAINFALL DATA

 

GEELONG REGION
Location Total for
Month
(mm)
Monthly
Average
(mm)
Aireys Inlet 24.8 40.1
Anakie na 55.0
Anglesea na 48.0
Apollo Bay 52.4 63.6
Bacchus Marsh 26.8 42.2
Ballan 37.8 45.9
Ballarat 51.8 52.5
Bannockburn 17.6 42.0
Barwon Heads 29.5 47.0
Bellbrae 47.0 54.0
Bells Beach 41.0 54.0
Beeac 16.3 42.4
Benwerrin na n.a.
Birregurra 26.0 43.4
Boonah na n.a.
Cape Otway 54.4 52.7
Clifton Springs 36.8 n.a.
Colac 24.8 46.6
Cressy 20.8 44.2
Curlewis 44.0 44.2
Dereel 35.2 44.2
Drysdale na 44.7
Durdidwarrah 23.2 n.a.
Fiskville na n.a.
Forrest na 73.0
Gellibrand 39.2 n.a.
Gerangamete na n.a.
Inverleigh 34.5 45.5
Lake Colac na 45.5
Lal Lal 22.2 n.a.
Laverton 28.2 47.0
Lethbridge na 55.9
Melba Gully 73.5 n.a.
Melbourne (City) 82.2 59.0
Meredith na n.a.
Meredith (Darra) 46.4 51.8
Moriac 48.0 n.a.
Mt Buninyong na n.a.
Mt Cowley 31.2 n.a.
Mt Mercer 38.8 n.a.
Mt Sabine 32.2 n.a.
Point Lonsdale 42.0 45.0
Pollocksford 25.4 n.a.
Portarlington na 45.5
Queenscliff na 43.4
Shelford West na 45.0
Shelford na 45.0
Sheoaks 38.0 42.0
Skipton 44.6 n.a.
St Leonards 36.5 45.0
Teesdale 29.5 39.9
Torquay 63.0 40.0
Warncoort 30.0 n.a.
Weeaproinah 94.2 112.9
West Barwon 45.0 n.a.
Winchelsea 17.6 41.1
Wooloomanata na n.a.
You Yangs 27.5 n.a.

GEELONG SUBURBS
Location Total for
Month
(mm)
Monthly
Average
(mm)
Avalon 28.2 49.0
Bell Park 36.0 47.8
Belmont 21.5 44.0
Connewarre 27.1 52.1
Ceres 35.5 44.0
Corio 45.0 42.0
Drumcondra 35.3 42.0
Grovedale 27.5 44.2
Grovedale South 42.0 44.2
Hamlyn Heights 21.0 57.0
Highton 28.0 44.2
Lara 31.5 41.9
Lara (Serendip) 46.6 41.9
Leopold 33.5 63.9
Leopold East na 42.0
Manifold Heights 25.0 47.8
Mt Duneed Airport 37.4 42.2
Mt Duneed West 49.6 42.2
Whittington 35.0 42.0
Urban Area Average 33.0 44.9