April 2009

RAINFALL

With around 40 mm falling across the urban area Geelong has continued to enjoy average rainfall for two months running after a dry start to the year. Otway catchment areas were patchy, with Mt Sabine receiving 154mm and West Barwon only 69mm. Very dry subsoils have ensured that runoff has unfortunately been minimal. In Geelong rain fell on 13 days and the 6-day period from the 24th to the 29th yielded 33.4mm after two strong fronts / troughs.

TEMPERATURE

Geelong was 0.35 degree C cooler than the published long-term normal. Daily minimums averaged 9.0 (compared with 9.5) and daily maximums averaged 20.0(compared with 20.2). The warmest day was the 2nd, with a maximum of 32.3 and the coldest was the 26th with 12.5, equalling the record from 1999. Lowest minimum was 2.6 on the 30th.

OTHER

There were three thunder days, three storm days (3rd, 15th and 26th) and one severe storm on the 26th, the first for the year. In that storm, winds exceeded 90kph and structural damage was recorded in many suburbs. Portarlington suffered a storm surge when 96kph winds from the WNW drove incoming tidal waters of Corio Bay onshore, flooding at least 15 homes in the Ramblers Road area. The SES was kept very busy, attending 57 calls.Wind gusts over 60kph occurred five times at Mt Duneed, with the maximum of 104kph recorded on the 15th.

RAINFALL DATA

GEELONG REGION
Location Total for
Month
(mm)
Monthly
Average
(mm)
Aireys Inlet 57.0 50.5
Anakie 30.8 41.0
Anglesea na 56.0
Apollo Bay 101.2 85.2
Bacchus Marsh na 42.4
Ballan 29.0 55.5
Ballarat 33.0 53.8
Bannockburn 37.6 42.0
Barwon Heads 60.5 51.0
Bellbrae 47.2 52.4
Bells Beach na 52.4
Beeac 39.2 45.5
Birregurra 46.6 48.8
Boonah 68.4 n.a.
Cape Otway 92.2 72.3
Colac 43.8 59.0
Clifton Springs 48.8 48.3
Curlewis 34.7 48.0
Drysdale na 48.3
Durdidwarrah 35.0 n.a.
Forrest (Town) 90.0 83.1
Forrest (West Barwon) 69.0 94.4
Gellibrand 89.0 77.5
Inverleigh na 48.0
Lal Lal 30.4 n.a.
Laverton 26.6 49.0
Lethbridge na 57.0
Little River (You Yangs) na 43.2
Melba Gully 140.0 n.a.
Melbourne (City) 39.2 58.0
Meredith (Darra) 33.4 58.2
Moriac 42.5 45.0
Morrisons 23.2 n.a.
Mt Cowley 108.0 n.a.
Mt Mercer na n.a.
Mt Sabine 154.8 n.a.
Ocean Grove 61.4 n.a.
Point Lonsdale 48.2 52.0
Pollocksford 30.2 n.a.
Portarlington na 53.6
Queenscliff na 48.3
Shelford na 44.0
Sheoaks 30.0 n.a.
Skipton na n.a.
St Leonards 49.5 50.0
Teesdale na 46.0
Torquay 42.0 45.0
Weeaproinah 176.0 157.7
Winchelsea na 40.0
GEELONG SUBURBS
Location Total for
Month
(mm)
Monthly
Average
(mm)
Avalon 26.0 46.7
Bell Park 42.0 45.1
Belmont 34.2 43.5
City 35.2 43.0
Connewarre na 41.0
Corio 36.0 39.0
Grovedale 41.0 43.5
Hamlyn Heights 38.0 43.0
Highton na 43.4
Lara 28.5 39.1
Lara (Serendip) 33.4 39.1
Leopold 46.0 50.2
Leopold East 49.9 50.2
Moolap 38.4 50.2
Mt Duneed Airport 39.2 41.9
Waurn Ponds 41.4 41.9
Whittington na 43.0
Geelong Urban Area Average 40.0 42.0

 

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