Kurrajong Heights (Burralow Road) -

Kurrajong Heights (Burralow Road) - IFD

4:45am 22/05/2026 to 4:45am 24/05/2026

You can find out more about Design Rainfall and IFD here.

Observations for this analysis :

Maximum observed rainfall by duration, estimated return period and AEP

Duration

Rainfall

Start

End

Years

AEP

15m

1.0 mm

8:45pm 22/05/2026

9:00pm 22/05/2026

1 in 1 years

100.0 %

30m

2.0 mm

7:15pm 23/05/2026

7:45pm 23/05/2026

1 in 1 years

100.0 %

45m

2.0 mm

7:00pm 23/05/2026

7:45pm 23/05/2026

1 in 1 years

100.0 %

60m

2.0 mm

5:45pm 23/05/2026

6:45pm 23/05/2026

1 in 1 years

100.0 %

90m

3.0 mm

6:15pm 23/05/2026

7:45pm 23/05/2026

1 in 1 years

100.0 %

120m

4.0 mm

5:45pm 23/05/2026

7:45pm 23/05/2026

1 in 1 years

100.0 %

4.0 mm

4:45pm 23/05/2026

7:45pm 23/05/2026

1 in 1 years

100.0 %

5.0 mm

3:15pm 23/05/2026

7:45pm 23/05/2026

1 in 1 years

100.0 %

6.0 mm

1:45pm 23/05/2026

7:45pm 23/05/2026

1 in 1 years

100.0 %

6.0 mm

10:45am 23/05/2026

7:45pm 23/05/2026

1 in 1 years

100.0 %

12h

8.0 mm

3:30pm 23/05/2026

3:30am 24/05/2026

1 in 1 years

100.0 %

18h

9.0 mm

9:30am 23/05/2026

3:30am 24/05/2026

1 in 1 years

100.0 %

24h

10.0 mm

3:30am 23/05/2026

3:30am 24/05/2026

1 in 1 years

100.0 %

30h

11.0 mm

9:30pm 22/05/2026

3:30am 24/05/2026

1 in 1 years

100.0 %

36h

12.0 mm

3:30pm 22/05/2026

3:30am 24/05/2026

1 in 1 years

100.0 %

Note: A '1 in 1.0 years' estimate means that it is almost certain to occur at least once in a year, and could occur much more than once per year on average. For smaller values like this the Annual Recurrance Interval (ARI) may be of more relevance, but it is complex to calculate for common events.

Last 4 hours of data on the live weather map (satellite and radar)
Last 4 hours of SD and HD radar imagery
Last 4 days of AWS, rain gauge and river height observations
Automatic update of live radar and observation data
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