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Light mode 4:00am 03/06/2026 to 4:00am 05/06/2026
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
20.0 mm
2:00am 05/06/2026
2:15am 05/06/2026
1 in 1.8 years
54.94 %
30m
20.0 mm
1:45am 05/06/2026
2:15am 05/06/2026
1 in 1.2 years
86.91 %
45m
20.0 mm
1:30am 05/06/2026
2:15am 05/06/2026
1 in 1.1 years
94.03 %
60m
20.0 mm
1:15am 05/06/2026
2:15am 05/06/2026
1 in 1.0 years
96.63 %
90m
20.0 mm
12:45am 05/06/2026
2:15am 05/06/2026
1 in 1.0 years
98.49 %
120m
20.0 mm
12:15am 05/06/2026
2:15am 05/06/2026
1 in 1.0 years
99.0 %
3h
20.0 mm
11:15pm 04/06/2026
2:15am 05/06/2026
1 in 1.0 years
99.72 %
4h
20.0 mm
9:45pm 04/06/2026
2:15am 05/06/2026
1 in 1.0 years
99.9 %
6h
20.0 mm
8:15pm 04/06/2026
2:15am 05/06/2026
1 in 1 years
100.0 %
9h
20.0 mm
5:15pm 04/06/2026
2:15am 05/06/2026
1 in 1 years
100.0 %
12h
20.0 mm
2:15pm 04/06/2026
2:15am 05/06/2026
1 in 1 years
100.0 %
18h
20.0 mm
8:15am 04/06/2026
2:15am 05/06/2026
1 in 1 years
100.0 %
24h
20.0 mm
2:15am 04/06/2026
2:15am 05/06/2026
1 in 1 years
100.0 %
30h
20.0 mm
8:15pm 03/06/2026
2:15am 05/06/2026
1 in 1 years
100.0 %
36h
20.0 mm
2:15pm 03/06/2026
2:15am 05/06/2026
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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