Dark mode
Light mode 3:00am 13/06/2026 to 3:00am 15/06/2026
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
11.6 mm
12:00am 15/06/2026
1:00am 15/06/2026
1 in 1.3 years
78.28 %
120m
19.8 mm
12:00am 15/06/2026
2:00am 15/06/2026
1 in 2.1 years
47.77 %
3h
22.8 mm
11:00pm 14/06/2026
2:00am 15/06/2026
1 in 2.2 years
46.5 %
6h
24.0 mm
9:00pm 14/06/2026
3:00am 15/06/2026
1 in 1.5 years
65.61 %
9h
24.0 mm
6:00pm 14/06/2026
3:00am 15/06/2026
1 in 1.3 years
78.19 %
12h
24.0 mm
3:00pm 14/06/2026
3:00am 15/06/2026
1 in 1.1 years
87.27 %
18h
24.0 mm
9:00am 14/06/2026
3:00am 15/06/2026
1 in 1.1 years
93.69 %
24h
24.0 mm
3:00am 14/06/2026
3:00am 15/06/2026
1 in 1.0 years
96.39 %
30h
24.0 mm
9:00pm 13/06/2026
3:00am 15/06/2026
1 in 1.0 years
97.78 %
36h
24.0 mm
3:00pm 13/06/2026
3:00am 15/06/2026
1 in 1.0 years
98.4 %
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
