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Light mode11:00pm 11/06/2026 to 11:00pm 13/06/2026
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
60m
3.4 mm
8:00pm 13/06/2026
9:00pm 13/06/2026
1 in 1 years
100.0 %
120m
5.2 mm
7:00am 12/06/2026
9:00am 12/06/2026
1 in 1 years
100.0 %
3h
5.8 mm
6:00am 12/06/2026
9:00am 12/06/2026
1 in 1 years
100.0 %
6h
10.8 mm
3:00am 12/06/2026
9:00am 12/06/2026
1 in 1.0 years
99.76 %
9h
12.2 mm
3:00am 12/06/2026
12:00pm 12/06/2026
1 in 1.0 years
99.58 %
12h
12.4 mm
12:00am 12/06/2026
12:00pm 12/06/2026
1 in 1.0 years
99.72 %
18h
17.4 mm
4:00am 12/06/2026
10:00pm 12/06/2026
1 in 1.0 years
98.61 %
24h
19.0 mm
1:00am 12/06/2026
1:00am 13/06/2026
1 in 1.0 years
98.46 %
30h
19.0 mm
12:00am 12/06/2026
6:00am 13/06/2026
1 in 1.0 years
98.61 %
36h
19.0 mm
12:00am 12/06/2026
12:00pm 13/06/2026
1 in 1.0 years
98.73 %
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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