June 1999

RAINFALL

June was a disappointing rainfall month, according to Lindsay Smail, manager of Geelong Weather Services. Much of the region only received between two-thirds and three-quarters of the normal June totals. But there were some surprising variations; from an incredible 119 mm at Apollo Bay (average 110) to a low of 21.5 mm at Lara (average 37.3).

Much of the problem has been due to the southward migration of high pressure systems, normally further north at this time of year. These have tended to direct more dry northerly airstreams across the region than is usual.

The Otways water catchment is now at a critical phase: unless very heavy rainfall is received creating above average runoff over the next four months, Geelong can look forward to continued water restrictions, and maybe worse.

TEMPERATURES

Average June temperatures closely reflected the normals. But with a recorded minimum of 1 degree at Mt Duneed on the 12th and 27th, and a maximum of 19 (on the 4th) no records were broken. Cloudy days numbered just 13, which is two less than average for June.

RAINFALL DATA

 

GEELONG REGION
Location Total for
Month
(mm)
Monthly
Average
(mm)
Aireys Inlet 47.8 66.8
Anakie 37.3 49.0
Anglesea 52.5 57.0
Apollo Bay 119.0 109.8
Bacchus Marsh n.a. 38.6
Ballan 42.0 45.0
Ballarat 56.0 64.7
Bannockburn 28.0 42.0
Barwon Heads 37.5 57.0
Bellbrae 49.0 60.4
Beeac 53.6 55.9
Birregurra 52.2 64.8
Cape Otway 90.2 98.0
Colac 46.6 76.8
Drysdale 35.0 62.5
Forrest (West Barwon) 100.4 125.0
Inverleigh 41.5 46.7
Laverton 27.6 38.0
Melba Gully 159.0 n.a.
Melbourne (City) 53.8 50.0
Meredith (Darra) 43.2 57.9
Modewarre n.a. 53.0
Portarlington 37.5 55.4
Queenscliff 38.8 56.6
Shelford n.a. 47.0
St Leonards 35.5 55.0
Teesdale 40.8 50.0
Torquay 40.6 52.0
Wallington 63.5 58.2
Warrnambool Airport 57.0 108.5
Weeaproinah 148.8 213.1
Werribee n.a. 39.9
Winchelsea 28.0 48.5
GEELONG SUBURBS
Location Total for
Month
(mm)
Monthly
Average
(mm)
Avalon 35.4 35.6
Bell Park 39.0 46.1
Belmont 35.0 43.9
City 38.0 46.1
Connewarre 39.5 48.7
Corio 37.5 40.0
Grovedale 38.6 48.2
Hamlyn Heights 41.0 49.9
Highton n.a. 48.1
Lara 21.5 37.3
Lara (Serendip) 27.3 37.3
Leopold South 39.2 62.9
Manifold Heights 35.5 46.1
Mt Duneed Airport 41.4 53.6
Mt Duneed West 46.5 53.6
Norlane n.a. 43.3
St Albans Park 46.0 46.1

 

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