October 2017

RAINFALL

A month of below average rainfall was the result of October’s ten rain days. Breakwater had 27.6 mm and the urban area averaged around 28 mm compared to the 30-year mean of 52.3 mm. The Otways and the Bellarine Peninsula were both below average.
This was Geelong’s first below-average rainfall month since July.

With only two months to go until the end of the year Geelong’s accumulated rainfall is now 512 mm, almost up to the total annual average figure of 518 mm.

TEMPERATURES

October was generally warmer than normal, Nights were 1.1° C warmer than the 30-year average (8.4 C) and days were 1.3° C warmer, making the mean temperature warmer by 1.2° C.

The coldest night dropped to 5.0 C on the 15th and on the coldest day – the 21st – the mercury only rose to 15.1 C. At night-times the warmest temperature was 17.6 C on the 19th and the highest daytime temperature reached 32.1 C on the 18th. There were two days (17th and 18th) over 30 degrees C.

It wasn’t a very windy month but Harry de Wit captured some good spray photos of the Surf Coast.

OTHER FEATURES

There were two very windy days with gusts above 60 kph. The strongest gust was 67 km/h on the 29th.

There was one thunder-day on the 8th.

No important records were created and the Barwon catchment stands at 78% of capacity.

Predictions for the coming warmer months are ambivalent, but some weather watchers are forecasting the possibility of higher rainfall in November given the La Nina watch just issued by the BoM.

This shows a higher probability of above average rainfalls in southeastern Australia owing to warmer than normal Pacific Ocean trends recently.

RAINFALL DATA

GEELONG REGION
Location Total for
Month
(mm)
Monthly
Average
(mm)
Aireys Inlet 36.2 61.5
Anakie 38.3 66.0
Anglesea na 65.0
Apollo Bay 56.9 99.0
Balliang East 26.2 45.0
Ballarat 52.6 69.6
Bannockburn 25.8 53.0
Barwon Heads Golf Club 41.7 60.0
Bellbrae 43.0 69.3
Bells Beach 33.6 69.6
Beeac 15.0 60.7
Beech Forest (Fly) 125.2 159.8
Birregurra na 64.8
Boonah 45.8 n.a.
Cape Otway 67.2 81.5
Clifton Springs 48.6 48.0
Colac 95.0 73.6
Cressy na n.a.
Curlewis 24.0 48.0
Drysdale na 48.0
Durdidwarrah 79.2 n.a.
Forrest (West Barwon) 73.6 85.5
Inverleigh 33.0 54.6
Johanna Heights na 146.5
Lake Colac na n.a.
Lal Lal 43.0 n.a.
Lavers Hill na 146.5
Laverton 49.0 61.0
Melton 24.4 n.a.
Melbourne (City) 40.4 68.0
Meredith (Darra) 42.2 70.4
Moriac 40.5 n.a.
Morrisons na n.a.
Mt Buninyong 52.2 n.a.
Mt Cowley 74.4 n.a.
Mt Mercer 51.6 n.a.
Mt Sabine 40.4 n.a.
Ocean Grove 33.6 n.a.
Point Lonsdale 34.2 52.0
Pollocksford 26.0 n.a.
Portarlington na 57.9
Queenscliff 30.8 57.9
Shelford 39.0 55.0
Sheoaks 32.4 n.a.
Skipton na n.a.
St Leonards 69.0 58.0
Sutherlands Creek 29.4 58.0
Torquay na 61.0
Wallington na 60.0
Warncoort 47.5 n.a.
Wyelangta na 174.2
Wensleydale 42.0 51.1

GEELONG SUBURBS
Location Total for
Month
(mm)
Monthly
Average
(mm)
Avalon 32.2 40.9
Bell Park 31.2 55.9
Belmont 29.0 57.0
Breakwater Racecourse 27.6 51.0
Ceres na 50.0
Connewarre 24.8 57.5
Corio 30.0 54.0
East Geelong  na 50.0
Grovedale 33.5 52.8
Grovedale South 30.5 56.3
Hamlyn Heights 27.9 50.6
Highton 30.5 56.1
Lara 31.2 46.0
Lara (Serendip) na 46.0
Leopold 34.0 64.0
Leopold East 38.0 64.0
Manifold Heights  27.5 57.0
Moolap 24.0 57.0
Queens Park 19.2 51.0
Waurn Ponds na 50.0
Whittington na 53.5
Urban Geelong Average 28.0 52.3