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Light mode 4:30am 27/06/2026 to 4:30am 29/06/2026
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
2.0 mm
4:30pm 28/06/2026
4:45pm 28/06/2026
1 in 1 years
100.0 %
30m
4.0 mm
12:45am 29/06/2026
1:15am 29/06/2026
1 in 1 years
100.0 %
45m
6.0 mm
12:45am 29/06/2026
1:30am 29/06/2026
1 in 1 years
100.0 %
60m
7.0 mm
12:45am 29/06/2026
1:45am 29/06/2026
1 in 1 years
100.0 %
90m
10.0 mm
12:45am 29/06/2026
2:15am 29/06/2026
1 in 1 years
100.0 %
120m
14.0 mm
12:45am 29/06/2026
2:45am 29/06/2026
1 in 1 years
100.0 %
3h
19.0 mm
11:45pm 28/06/2026
2:45am 29/06/2026
1 in 1.0 years
100.0 %
4h
24.0 mm
10:15pm 28/06/2026
2:45am 29/06/2026
1 in 1.0 years
99.92 %
6h
27.0 mm
8:45pm 28/06/2026
2:45am 29/06/2026
1 in 1.0 years
99.92 %
9h
30.0 mm
7:15pm 28/06/2026
4:15am 29/06/2026
1 in 1 years
100.0 %
12h
32.0 mm
4:15pm 28/06/2026
4:15am 29/06/2026
1 in 1 years
100.0 %
18h
33.0 mm
10:15am 28/06/2026
4:15am 29/06/2026
1 in 1 years
100.0 %
24h
40.0 mm
3:15am 28/06/2026
3:15am 29/06/2026
1 in 1 years
100.0 %
30h
45.0 mm
10:15pm 27/06/2026
4:15am 29/06/2026
1 in 1 years
100.0 %
36h
46.0 mm
4:15pm 27/06/2026
4:15am 29/06/2026
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.
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