July 2012

RAINFALL

Another month of above average rain! For the last 4 months most of the region beat the average. In fact this has been the 5th month out of 7 for the year that Geelong has had above average rain – we have scored 408 mm so far, compared to the average 284 mm for this time of the year. Apart from some of the Golden Plains – Anakie area the rest of the region from the Bellarine Peninsula to the Western Otways has received above average falls, despite the Bureau of Meteorology’s 3-monthly prediction that there was only a 30-35% chance of this eventuating. This being the fifth consecutive outlook failure since February, we can say nothing for the reliability of those models!

Only six days did not have some rain, making July seem even much wetter than it was: the average number of rain days in July is 17. Many small totals were received and the wettest 24 hours saw 11.6 mm at 9 am on the 2nd.

Lavers Hill in the Otways recorded 240 mm, the highest in the state.

TEMPERATURES

Daily maximum temperatures averaged 14.3 degrees C and minimums 6.7 degrees C at Breakwater. This is approximately half a degree warmer than the long-term average for the Geelong area. Temperatures taken in urban environments can never be directly compared even from one year to another because of the gradually growing urban heat island (UHI) effect which has been well-documented elsewhere and seen to be quite active in Geelong, especially since the site change from Mt Duneed last year.

There were 3 cold overnight temperatures (below 2 deg C), with the lowest being minus 1.2 deg C on the 8th. On the coldest day the temperature reached 11.7 deg C on the 1st; on the warmest day – the 16th – the top was 17.9.

OTHER FEATURES

July was notable for its calm days. Despite being hit by a number of weak cold fronts, no days recorded wind gusts above 54 kph. There were 3 frosts, on successive mornings – 7th, 8th and 9th, and no storms.

RAINFALL DATA

 

GEELONG REGION
Location Total for
Month
(mm)
Monthly
Average
(mm)
Aireys Inlet 78.8 75.7
Anakie 47.0 49.0
Anakie West 43.7 na
Anglesea na 64.0
Apollo Bay 114.0 116.8
Bacchus Marsh 31.5 34.3
Ballan 57.4 47.3
Ballarat 83.0 68.0
Bannockburn 30.2 43.0
Barwon Heads Golf 68.6 59.0
Barwon Heads 59.0 59.0
Beech Forest 196.0 na
Bellbrae 70.0 63.7
Bells Beach na 63.7
Beeac 48.2 63.2
Benwerrin 73.6 na
Birregurra 62.2 71.4
Boonah na na
Cape Otway 97.8 105.8
Colac 50.6 na
Colac (Mt Gellibrand) 42.2 na
Clifton Springs 69.0 54.0
Cressy 54.6 78.0
Curlewis 72.6 49.0
Dereel 62.3 52.0
Drysdale 80.4 na
Durdidwarrah 32.2 54.4
Forrest 117.2 120.0
Forrest (West Barwon) 127.6 139.0
Gellibrand na 106.2
Inverleigh 38.0 52.8
Johanna Heights 168.0 na
Lake Colac na 52.8
Lal Lal na 70.0
Lavers Hill 240.0 na
Laverton 30.0 42.0
Melba Gully na n.a.
Melbourne (City) 59.4 49.0
Meredith (Darra) 49.8 55.4
Moriac 55.2 57.0
Morrisons na 57.0
Mt Cowley 108.8 na
Mt Mercer 37.6 na
Mt Sabine 177.8 na
Ocean Grove na 59.0
Point Lonsdale 51.6 56.0
Pollocksford 46.6 56.0
Portarlington na 55.1
Queenscliff na 56.6
Scotsburn na 56.6
Shelford na 45.0
Sheoaks 45.0 45.0
Skipton 73.8 n.a.
St Leonards na 55.0
Teesdale na 42.7
Torquay 87.0 59.0
Warncoort na 65.0
Weeaproinah na 227.7
Winchelsea 48.0 50.2
Wyelangta 236.0 na
You Yangs 38.5 36.8
GEELONG SUBURBS
Location Total for
Month
(mm)
Monthly
Average
(mm)
Avalon 48.8 45.2
Bell Park 49.6 47.2
Belmont 46.0 47.5
Breakwater Racecourse 56.4 46.0
Connewarre (Armstrong Creek) 59.0 41.4
Corio 48.1 40.0
Drumcondra na 51.0
East Geelong 53.3 46.0
Grovedale 52.0 49.2
Grovedale South 59.8 47.5
Hamlyn Heights 42.3 47.5
Herne Hill 54.0 46.0
Highton na 49.2
Lara North 34.2 38.6
Lara South 30.0 38.6
Lara (Serendip) na 38.6
Leopold 75.0 47.4
Leopold East 79.8 47.4
Manifold Heights 48.6 48.6
Moolap 60.2 43.0
Mt Duneed West 69.6 51.0
Waurn Ponds 52.8 43.0
Whittington na 49.5
Urban Area Average 52.0 49.5

 

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