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Light mode 4:50am 21/06/2026 to 4:50am 23/06/2026
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
30m
5.6 mm
8:30am 21/06/2026
9:00am 21/06/2026
1 in 1.0 years
98.22 %
60m
6.0 mm
8:00am 21/06/2026
9:00am 21/06/2026
1 in 1 years
100.0 %
90m
6.0 mm
7:30am 21/06/2026
9:00am 21/06/2026
1 in 1 years
100.0 %
120m
6.2 mm
7:00am 21/06/2026
9:00am 21/06/2026
1 in 1 years
100.0 %
3h
6.6 mm
1:00am 23/06/2026
4:00am 23/06/2026
1 in 1 years
100.0 %
4h
6.8 mm
11:30pm 22/06/2026
4:00am 23/06/2026
1 in 1 years
100.0 %
6h
7.2 mm
10:00pm 22/06/2026
4:00am 23/06/2026
1 in 1 years
100.0 %
9h
7.2 mm
7:00pm 22/06/2026
4:00am 23/06/2026
1 in 1 years
100.0 %
12h
7.8 mm
4:00pm 22/06/2026
4:00am 23/06/2026
1 in 1 years
100.0 %
18h
7.8 mm
10:00am 22/06/2026
4:00am 23/06/2026
1 in 1 years
100.0 %
24h
7.8 mm
4:00am 22/06/2026
4:00am 23/06/2026
1 in 1 years
100.0 %
30h
7.8 mm
10:00pm 21/06/2026
4:00am 23/06/2026
1 in 1 years
100.0 %
36h
7.8 mm
4:00pm 21/06/2026
4:00am 23/06/2026
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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