Original EA Amendment

Rainfall statistics for Rockhampton Aerodrome (BOM station #039083, 1939 - current) are displayed in

Figure 12. On average, 879mm of rainfall occurs annually. Rainfall is generally highest from December

to March. Potential evaporation for the region is some 1,822mm on average. The highest evaporation

occurs from October to March. Evaporation is significantly reduced during the dry season, with the

lowest evaporation occurring in June. The rainfall statistics have been incorporated into the

determination of the PMP for the design of the Upper Mundic Gully TSF.

Figure 38. Rockhampton Aero Mean Rainfall (BOM)

The primary wind direction is southeast to east as indicated in the Wind Rose from Rockhampton Aero

provided in Figure 39. It is noted that the distance between the Rockhampton Aero and Mount Morgan

Mine is approximately 38km and wind conditions may differ between the two locations.

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Wulguru Technical Services Pty Ltd – Supporting Information to Amend an Environmental Authority

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