June 2007

RAINFALL

Well above average rainfall fell across the Geelong region in June, making it the first time above average rain has been recorded since May, 2006, and longer in some areas. As of 26th June most suburbs and the Bellarine Peninsula had received 60-65 mm compared to the average 45-50 mm. Some areas to the west around Skipton did not fare as well although this is expected to increase later.

The reasonable falls in the Otways (eg, Mt Sabine 124 mm) and more meagre totals in the Moorabool catchment (eg, Lal Lal 57 mm) have not yet had a great impact on water storage levels (currently 15.2%) because soil moisture content has been so dry for the past 12 months and more. With continued rain and lower temperatures the catchment systems are expected to start increasing more noticeable from July onwards, if the rain patterns persist.

Certainly the development of east coast low pressure systems is a welcome sign that Geelong could be in for some extended rain periods in the near future.

TEMPERATURES

The swift transition into winter has surprised many observers. While May was one of the warmest Mays, June was 0.65 of a degree cooler than normal. While overnight low temperatures have not fallen too far below the mean 6.1 degrees – up to the 27th the coldestwas 1.7C on the 25th – the average maximum has been around 1.4 degrees below the long-term average maximum.

The cold and wet start to winter is more typical of normal winters in the Geelong region, and this year is due to the return to more normal Pacific Ocean temperatures, bordering on La Nina conditions with floods in several places in eastern Australia.

OTHER FEATURES

There were two thunder days but no severe storms in June. Snow-like sleety hail fell in Jan Juc on the 3rd and on two other days hail fell in Geelong and Bellbrae.

Strong winds gusting over 60kph at Mt Duneed were recorded on 3 days.

RAINFALL DATA

GEELONG REGION
Location Total for
Month
(mm)
Monthly
Average
(mm)
Aireys Inlet 80.0 66.8
Anakie na 49.0
Anglesea na 57.0
Apollo Bay 96.1 109.8
Bacchus Marsh na 38.6
Ballan 73.2 45.0
Ballarat 42.2 64.7
Bannockburn na 42.0
Barwon Heads 86.5 57.0
Bellbrae 84.2 60.4
Bells Beach 103.5 60.4
Beeac na 55.9
Benwerrin na na
Birregurra 50.4 64.8
Boonah 101.4 na
Cape Otway 53.6 98.0
Colac 40.6 76.8
Clifton Springs (BoM) 69.4 36.8
Clifton Springs (2) 63.5 36.8
Clifton Springs (3) 86.0 36.8
Curlewis 50.0 36.8
Dereel 49.8 65.0
Drysdale na 62.5
Durdidwarrah 72.6 57.2
Forrest na 113.0
Forrest (West Barwon) 120.0 125.0
Gellibrand 71.8 111.8
Inverleigh na 46.7
Lake Colac na 76.8
Lal Lal 57.0 na
Laverton 38.4 38.0
Melba Gully na na
Melbourne (City) 45.0 50.0
Meredith (Darra) 57.4 57.9
Moriac 79.0 53.0
Morrisons 53.4 na
Mt Buninyong na na
Mt Cowley na na
Mt Mercer na na
Mt Sabine na na
Point Lonsdale 76.2 58.0
Pollocksford 47.4 na
Portarlington na 55.4
Queenscliff na 56.6
Shelford na 47.0
Sheoaks (1) 51.8 na
Sheoaks (2) 45.6 na
St Leonards 76.5 55.0
Teesdale na 50.0
Torquay 101.5 52.0
Warncoort 60.0 68.0
Weeaproinah 196.2 213.1
Winchelsea na 48.5
You Yangs 37.0 35.0
GEELONG SUBURBS
Location Total for
Month
(mm)
Monthly
Average
(mm)
Avalon 42.8 35.6
Bell Park na 46.1
Belmont 63.5 43.9
Belmont South 72.6 43.9
City 62.0 46.1
Connewarre na 48.7
Corio (1) 53.8 40.0
Corio (2) 43.0 40.0
Grovedale 74.5 48.2
Grovedale South na 48.2
Hamlyn Heights(1) 52.5 49.9
Hamlyn Heights(2) 53.7 49.9
Highton na 48.1
Lara na 37.3
Lara (Serendip) 41.4 37.3
Leopold(1) 75.0 62.9
Leopold(2) 79.0 62.9
Leopold East 86.5 62.9
Mt Duneed Airport 58.6 42.6
Mt Duneed West 85.2 42.6
Whittington 64.5 46.1
URBAN AREA AVERAGE 60.0 43.3

 

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