August 2013

OVERALL

August was a noteworthy month for several reasons, elaborated below; the warmer than average temperatures and the incredible Otways rainfalls. It was also the warmest winter we have recorded.

RAINFALL

While Geelong’s rainfall clearly surpassed the average for August (50 mm), much of the surrounding region exceeded averages by huge margins. Wyelangta on the Otway ridge, close to the Barwon Catchment, reported an amazing 420 mm which was 180mm more than the average. Several other Otways stations such as Lavers Hill and Beech Forest had in excess of 300 mm. The lush greenery, abundant waterfalls and rapidly filling West Barwon Reservoir – nowover 92% – are just a few reasons why a visit would be well worth your while. The catchments overall stand at 82% of capacity.As predicted several months ago, winter rainfalls in the region were well above average, with Geelong receiving around 190 mm compared to the long-term average 140 mm. While June was the wettest month in Geelong, August was by far the wettest in the Otways. Most commentators believe the good rainfalls appear to be around for spring as well.

TEMPERATURES

August was a very warm month, despite what many locals are thinking. In fact it was Geelong’s second warmest August since 1903 – only 1982 was slightly warmer. But what probably made them feel so cold is not the overnight minimums (7.9 C) which were higher than the average 5.8 C, nor was it the daytime maximums (15.8 C) which were warmer than the long-term average 15.0 C. It was the strong winds which dominated parts of the month; there were six days on which wind gusts exceeded 60 kph. The air temperatures were made to feel colder because of the wind chill effect. On some days when the maximum temperature of 14 C was reached, the wind chill factor made the apparent temperature feel only 6 or 7 C. Considering all temperature records since 1903 it was also Geelong’s warmest winter overall. The previous record was held by winter 1988, and 2013 passed that figure by 0.15 of a degree. After the warmest July on record and the second warmest August, this winter was clearly a record-breaker.

OTHER FEATURES

There were six strong wind days with over 60 kph gusts and several others in the 50’s. The highest gust was 80 kph on the 12th. There were no storms reported, but large hail fell briefly in some of the northern suburbs with a cold front on the 14th.

RAINFALL DATA

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GEELONG REGION
Location Total for
Month
(mm)
Monthly
Average
(mm)
Aireys Inlet 97.4 78.5
Anakie (Granite Road) 55.0 46.0
Anakie (De Motts Road) 56.4 46.0
Anglesea na 69.0
Apollo Bay 243.8 124.7
Bacchus Marsh na 39.0
Ballan 87.4 55.6
Ballarat 73.6 76.4
Bannockburn 57.0 47.0
Barwon Heads 60.9 63.0
Bells Beach na 60.4
Beeac 101.0 70.1
Beech Forest 379.6 210.0
Benwerrin 222.0 164.0
Birregurra 148.4 80.3
Boonah 188.0 150.0
Cape Otway 205.2 102.1
Colac 92.4 59.5
Clifton Springs 44.2 52.0
96.8 52.0
Curlewis 53.0 42.0
Dereel 97.4 62.0
Drysdale 56.0 54.9
Durdidwarrah 62.6 53.3
Forrest na 146.2
Forrest (West Barwon) 300.4 146.2
Inverleigh 65.5 na
Johanna Heights 368.0 na
Lal Lal 76.0 na
Lavers Hill 380.0 na
Laverton 44.0 48.0
Melba Gully na n.a.
Melbourne (City) 57.0 51.0
Meredith (Darra) 62.4 61.7
Moriac 88.0 58.0
Morrisons 64.0 80.3
Mt Cowley 290.8 185.0
Mt Gellibrand 110.2 na
Mt Mercer 82.2 70.3
Mt Sabine 364.0 210.0
Ocean Grove na 45.0
Pollocksford 71.6 n.a.
Point Lonsdale 50.6 59.0
Queenscliff na 61.4
Scotsburn na 80.3
Shelford na 51.0
Sheoaks 57.8 47.0
Skipton 71.6 48.0
St Leonards na 60.0
Sutherlands Creek 49.5 46.0
Teesdale na 44.5
Torquay na 64.0
Warncoort na 89.8
Weeaproinah na 232.8
Winchelsea 94.7 57.2
Wooloomanatta 37.8 47.2
Wyelangta 420.2 231.4
You Yangs 38.0 38.0
GEELONG SUBURBS
Location Total for
Month
(mm)
Monthly
Average
(mm)
Avalon 36.8 48.3
Bell Park 62.0 50.9
Belmont 63.0 49.4
Breakwater 55.2 49.0
Connewarre 55.0 44.3
Corio 45.4 42.0
East Geelong 55.7 47.3
Grovedale 61.5 51.5
Grovedale South 69.8 51.5
Hamlyn Heights 61.7 46.0
Herne Hill 58.0 46.0
Highton 65.5 51.5
Lara 35.6 39.6
Lara (Serendip) na 39.6
Leopold 57.0 49.5
Leopold East 53.4 49.5
Manifold Heights 66.2 46.0
Montpellier 59.6 49.0
Moolap 46.4 45.0
Waurn Ponds 61.8 48.1
Whittington 70.0 51.0
Urban Area Average 56.0 47.3

 

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