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Light mode10:00pm 09/06/2026 to 10:00pm 11/06/2026
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
8.0 mm
4:45pm 11/06/2026
5:00pm 11/06/2026
1 in 1.0 years
99.78 %
30m
14.0 mm
4:30pm 11/06/2026
5:00pm 11/06/2026
1 in 1.0 years
98.01 %
45m
20.0 mm
4:30pm 11/06/2026
5:15pm 11/06/2026
1 in 1.1 years
90.71 %
60m
25.0 mm
4:30pm 11/06/2026
5:30pm 11/06/2026
1 in 1.2 years
81.61 %
90m
33.0 mm
4:30pm 11/06/2026
6:00pm 11/06/2026
1 in 1.5 years
67.37 %
120m
43.0 mm
4:30pm 11/06/2026
6:30pm 11/06/2026
1 in 2.0 years
49.47 %
3h
49.0 mm
4:00pm 11/06/2026
7:00pm 11/06/2026
1 in 1.9 years
51.41 %
4h
56.0 mm
3:45pm 11/06/2026
8:15pm 11/06/2026
1 in 1.8 years
54.72 %
6h
62.0 mm
2:00pm 11/06/2026
8:00pm 11/06/2026
1 in 1.7 years
57.37 %
9h
64.0 mm
11:45am 11/06/2026
8:45pm 11/06/2026
1 in 1.4 years
71.02 %
12h
64.0 mm
8:45am 11/06/2026
8:45pm 11/06/2026
1 in 1.2 years
82.65 %
18h
64.0 mm
2:45am 11/06/2026
8:45pm 11/06/2026
1 in 1.1 years
92.84 %
24h
64.0 mm
8:45pm 10/06/2026
8:45pm 11/06/2026
1 in 1.0 years
96.55 %
30h
64.0 mm
2:45pm 10/06/2026
8:45pm 11/06/2026
1 in 1.0 years
98.24 %
36h
64.0 mm
8:45am 10/06/2026
8:45pm 11/06/2026
1 in 1.0 years
98.67 %
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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