July 2018

SUMMARY

Contrary to quite a lot of public opinion urban Geelong was slightly drier than average in July and warmer than average by about 0.8 degrees C.  The public opinion was probably based on Geelong’s cold and very windy conditions and 18 rain days which yielded less than the latest 30-year average.  Nevertheless the figures show a warmer and drier month than last month – and July is supposed to be our coldest month!

TEMPERATURE

Average minimum daily temperatures were 6.6 C for minimums and 14.8 C for maximums.  This compares to 5.8 C and 14.0 C over the last 30 years, therefore the warmer than average temperatures have resulted.  The warmest day was the 27th with a top temperature of 19.1 C and on the coldest day, the 11th, the mercury only rose to 9.6 C.

Geelong’s coldest minimum was 0.2 C on the 2nd, the only day of frost for the month.

Photo taken by Harry De Wit near Torquay on the 8th.

Photo taken by Dan Atkinson on the Great Ocean Road.

RAINFALL

Geelong’s total rainfall for the month averaged around 40 mm across the urban area.  This is 5 mm below the 45 mm average for July.  Breakwater’s total rainfall was 41.4 mm and this varied from 65.2 at Armstrong Creek to just 26.0 mm at Avalon.

Over the 18 rain days the wettest was 10 mm on the 29th.

OTHER FEATURES

Fierce, lashing winds only deposited 4.8 mm of rain on the 17th, but winds exceeding 120 km/h at Pt Wilson, 97 km/h at Queens Park and 85 km/h at Breakwater created havoc across the city, as a vicious cold front causing trees, buildings, cars and infrastructure damage made its mark as Geelong’s second severe storm for the year.

All up there were six strong wind gusts over 60 km/h in July, most of them originating from the northwest as cold fronts attacked the region.

There were two thunder – lightning days (5th and 17th) but only one frost on the 2nd.

Water catchments for the Barwon – Moorabool system now total 54% of capacity.

RAINFALL DATA

GEELONG REGION
Location Total for
Month
(mm)
Monthly
Average
(mm)
Aireys Inlet 71.0 75.7
Anakie West 42.1 na
Apollo Bay 211.4 128.3
Bacchus Marsh 36.6 34.3
Ballan 58.0 47.3
Ballarat 67.4 68.0
Balliang East 26.0 33.5
Bannockburn 49.8 43.0
Barwon Downs 99.0 89.0
Beech Forest (Fly) 252.4 201.2
Bellbrae na 63.7
Bells Beach 41.2 63.7
Beeac na 63.2
Benwerrin 140.8 na
Birregurra 84.6 71.4
Boonah 101.2 na
Breamlea 34.0 na
Cape Otway 136.2 105.8
Colac 114.2 na
Colac (Mt Gellibrand) 66.0 na
Clifton Springs 28.8 54.0
Cressy na 78.0
Curlewis Golf Club 25.0 49.0
Dereel 73.8 52.0
Forrest (West Barwon) 140.0 131.3
Inverleigh 59.2 52.8
Lal Lal 61.2 70.0
Laverton 17.6 42.0
Lorne 157.6 115.1
Melbourne (City) 19.4 49.0
Melton 18.6 49.0
Meredith (Darra) 46.2 49.0
Moriac 61.2 57.0
Mt Cowley 151.8 na
Mt Mercer 71.8 na
Mt Sabine 83.4 na
Ocean Grove 39.6 59.0
Point Lonsdale 31.8 56.0
Queenscliff 24.8 56.6
Scotsburn 39.2 56.6
Shelford 51.4 45.0
Sheoaks 44.8 45.0
St Leonards 31.0 55.0
Sutherlands Creek 33.2 na
Warncoort 114.0 65.0
Wallington na 55.0
Wensleydale 72.6 50.2

 

GEELONG SUBURBS
Location Total for
Month
(mm)
Monthly
Average
(mm)
Armstrong Creek 65.2 41.4
Bell Park 35.4 47.2
Belmont 52.0 47.5
Breakwater Racecourse 41.4 46.0
Corio 44.0 40.0
Drumcondra na 51.0
Grovedale 40.5 44.2
Grovedale South 54.7 47.5
Hamlyn Heights 42.0 47.5
Herne Hill 36.0 46.0
Highton 46.4 49.2
Lara 41.8 38.6
Leopold North 43.0 47.4
Leopold East 39.4 47.4
Manifold Heights 39.0 48.6
Moolap 35.6 43.0
Waurn Ponds 50.6 43.0
Whittington 45.6 49.5
Wooloomanata 26.8 38.6

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