Dark mode
Light mode 4:15am 14/06/2026 to 4:15am 16/06/2026
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
3.0 mm
2:45pm 15/06/2026
3:00pm 15/06/2026
1 in 1 years
100.0 %
30m
5.0 mm
4:00pm 15/06/2026
4:30pm 15/06/2026
1 in 1 years
100.0 %
45m
6.0 mm
4:00pm 15/06/2026
4:45pm 15/06/2026
1 in 1 years
100.0 %
60m
6.0 mm
3:45pm 15/06/2026
4:45pm 15/06/2026
1 in 1 years
100.0 %
90m
6.5 mm
2:45pm 15/06/2026
4:15pm 15/06/2026
1 in 1 years
100.0 %
120m
9.5 mm
2:45pm 15/06/2026
4:45pm 15/06/2026
1 in 1 years
100.0 %
3h
11.0 mm
1:45pm 15/06/2026
4:45pm 15/06/2026
1 in 1 years
100.0 %
4h
12.5 mm
1:30pm 15/06/2026
6:00pm 15/06/2026
1 in 1 years
100.0 %
6h
16.0 mm
2:15pm 15/06/2026
8:15pm 15/06/2026
1 in 1 years
100.0 %
9h
18.0 mm
12:00pm 15/06/2026
9:00pm 15/06/2026
1 in 1 years
100.0 %
12h
20.5 mm
12:45pm 15/06/2026
12:45am 16/06/2026
1 in 1 years
100.0 %
18h
23.5 mm
10:00am 15/06/2026
4:00am 16/06/2026
1 in 1 years
100.0 %
24h
24.0 mm
4:00am 15/06/2026
4:00am 16/06/2026
1 in 1 years
100.0 %
30h
24.0 mm
10:00pm 14/06/2026
4:00am 16/06/2026
1 in 1 years
100.0 %
36h
24.0 mm
4:00pm 14/06/2026
4:00am 16/06/2026
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.
Install
