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Light mode12:20pm 16/06/2026 to 12:20pm 18/06/2026
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
10m
0.8 mm
4:10pm 17/06/2026
4:20pm 17/06/2026
1 in 1 years
100.0 %
20m
1.2 mm
4:10pm 17/06/2026
4:30pm 17/06/2026
1 in 1 years
100.0 %
30m
1.4 mm
4:00pm 17/06/2026
4:30pm 17/06/2026
1 in 1 years
100.0 %
60m
2.0 mm
3:50pm 17/06/2026
4:50pm 17/06/2026
1 in 1 years
100.0 %
90m
2.6 mm
4:10pm 17/06/2026
5:40pm 17/06/2026
1 in 1 years
100.0 %
120m
3.2 mm
3:40pm 17/06/2026
5:40pm 17/06/2026
1 in 1 years
100.0 %
3h
3.8 mm
3:50pm 17/06/2026
6:50pm 17/06/2026
1 in 1 years
100.0 %
4h
4.0 mm
3:40pm 17/06/2026
8:10pm 17/06/2026
1 in 1 years
100.0 %
6h
4.6 mm
12:20pm 17/06/2026
6:20pm 17/06/2026
1 in 1 years
100.0 %
9h
4.8 mm
12:20pm 17/06/2026
9:20pm 17/06/2026
1 in 1 years
100.0 %
12h
5.0 mm
12:20pm 17/06/2026
12:20am 18/06/2026
1 in 1 years
100.0 %
18h
5.4 mm
12:50am 17/06/2026
6:50pm 17/06/2026
1 in 1 years
100.0 %
24h
5.8 mm
2:10am 17/06/2026
2:10am 18/06/2026
1 in 1 years
100.0 %
30h
6.6 mm
12:20pm 16/06/2026
6:20pm 17/06/2026
1 in 1 years
100.0 %
36h
7.0 mm
12:20pm 16/06/2026
12:20am 18/06/2026
1 in 1 years
100.0 %
48h
7.2 mm
12:20pm 16/06/2026
12:20pm 18/06/2026
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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