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Light mode 5:00am 09/06/2026 to 5:00am 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
5.2 mm
1:15am 11/06/2026
1:30am 11/06/2026
1 in 1 years
100.0 %
30m
8.6 mm
1:00am 11/06/2026
1:30am 11/06/2026
1 in 1 years
100.0 %
45m
11.6 mm
1:00am 11/06/2026
1:45am 11/06/2026
1 in 1 years
100.0 %
60m
14.4 mm
1:00am 11/06/2026
2:00am 11/06/2026
1 in 1.0 years
99.9 %
90m
17.4 mm
1:00am 11/06/2026
2:30am 11/06/2026
1 in 1.0 years
99.83 %
120m
22.0 mm
1:00am 11/06/2026
3:00am 11/06/2026
1 in 1.0 years
99.1 %
3h
32.2 mm
1:00am 11/06/2026
4:00am 11/06/2026
1 in 1.0 years
95.78 %
4h
40.8 mm
11:45pm 10/06/2026
4:15am 11/06/2026
1 in 1.1 years
92.42 %
6h
46.0 mm
10:00pm 10/06/2026
4:00am 11/06/2026
1 in 1.1 years
92.1 %
9h
47.8 mm
8:00pm 10/06/2026
5:00am 11/06/2026
1 in 1.0 years
96.35 %
12h
47.8 mm
5:00pm 10/06/2026
5:00am 11/06/2026
1 in 1.0 years
98.35 %
18h
47.8 mm
11:00am 10/06/2026
5:00am 11/06/2026
1 in 1.0 years
99.39 %
24h
48.2 mm
5:00am 10/06/2026
5:00am 11/06/2026
1 in 1.0 years
99.82 %
30h
49.2 mm
11:00pm 09/06/2026
5:00am 11/06/2026
1 in 1.0 years
99.92 %
36h
54.8 mm
5:00pm 09/06/2026
5:00am 11/06/2026
1 in 1.0 years
99.86 %
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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