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Light mode11:00am 15/06/2026 to 11:00am 17/06/2026
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
1.8 mm
10:00pm 15/06/2026
10:15pm 15/06/2026
1 in 1 years
100.0 %
30m
2.6 mm
9:15pm 15/06/2026
9:45pm 15/06/2026
1 in 1 years
100.0 %
45m
3.8 mm
9:30pm 15/06/2026
10:15pm 15/06/2026
1 in 1 years
100.0 %
60m
5.2 mm
9:15pm 15/06/2026
10:15pm 15/06/2026
1 in 1 years
100.0 %
90m
7.0 mm
9:15pm 15/06/2026
10:45pm 15/06/2026
1 in 1 years
100.0 %
120m
7.8 mm
8:15pm 15/06/2026
10:15pm 15/06/2026
1 in 1 years
100.0 %
3h
11.4 mm
7:15pm 15/06/2026
10:15pm 15/06/2026
1 in 1.0 years
98.56 %
4h
15.2 mm
6:15pm 15/06/2026
10:45pm 15/06/2026
1 in 1.1 years
95.2 %
6h
18.2 mm
5:30pm 15/06/2026
11:30pm 15/06/2026
1 in 1.1 years
90.49 %
9h
23.4 mm
2:30pm 15/06/2026
11:30pm 15/06/2026
1 in 1.2 years
80.75 %
12h
26.6 mm
2:45pm 15/06/2026
2:45am 16/06/2026
1 in 1.3 years
77.01 %
18h
28.2 mm
2:15pm 15/06/2026
8:15am 16/06/2026
1 in 1.2 years
85.15 %
24h
32.2 mm
2:15pm 15/06/2026
2:15pm 16/06/2026
1 in 1.3 years
79.52 %
30h
32.8 mm
11:15am 15/06/2026
5:15pm 16/06/2026
1 in 1.2 years
84.92 %
36h
32.8 mm
11:15am 15/06/2026
11:15pm 16/06/2026
1 in 1.1 years
88.68 %
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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