Dark mode
Light mode12:00am 12/06/2026 to 12:00am 14/06/2026
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
10.6 mm
9:00am 12/06/2026
10:00am 12/06/2026
1 in 1.0 years
97.2 %
120m
15.4 mm
9:00am 12/06/2026
11:00am 12/06/2026
1 in 1.1 years
93.51 %
3h
19.6 mm
8:00am 12/06/2026
11:00am 12/06/2026
1 in 1.1 years
88.65 %
6h
21.2 mm
5:00am 12/06/2026
11:00am 12/06/2026
1 in 1.1 years
92.14 %
9h
21.4 mm
6:00am 12/06/2026
3:00pm 12/06/2026
1 in 1.1 years
95.22 %
12h
21.4 mm
3:00am 12/06/2026
3:00pm 12/06/2026
1 in 1.0 years
96.26 %
18h
26.6 mm
6:00am 12/06/2026
12:00am 13/06/2026
1 in 1.1 years
94.4 %
24h
28.0 mm
4:00am 12/06/2026
4:00am 13/06/2026
1 in 1.1 years
95.07 %
30h
28.0 mm
1:00am 12/06/2026
7:00am 13/06/2026
1 in 1.0 years
95.79 %
36h
28.0 mm
1:00am 12/06/2026
1:00pm 13/06/2026
1 in 1.0 years
96.35 %
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
