Dark mode
Light mode 6:40am 14/06/2026 to 6:40am 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
10m
4.0 mm
2:50am 16/06/2026
3:00am 16/06/2026
1 in 1.1 years
91.74 %
20m
5.6 mm
2:50am 16/06/2026
3:10am 16/06/2026
1 in 1.1 years
91.99 %
30m
6.0 mm
2:40am 16/06/2026
3:10am 16/06/2026
1 in 1.0 years
96.13 %
60m
7.2 mm
2:10am 16/06/2026
3:10am 16/06/2026
1 in 1.0 years
98.34 %
90m
7.4 mm
1:40am 16/06/2026
3:10am 16/06/2026
1 in 1.0 years
99.41 %
120m
7.8 mm
1:10am 16/06/2026
3:10am 16/06/2026
1 in 1.0 years
99.77 %
3h
8.4 mm
1:30am 16/06/2026
4:30am 16/06/2026
1 in 1.0 years
99.89 %
4h
8.6 mm
12:30am 16/06/2026
5:00am 16/06/2026
1 in 1 years
100.0 %
6h
8.6 mm
11:00pm 15/06/2026
5:00am 16/06/2026
1 in 1 years
100.0 %
9h
8.6 mm
8:00pm 15/06/2026
5:00am 16/06/2026
1 in 1 years
100.0 %
12h
8.6 mm
5:00pm 15/06/2026
5:00am 16/06/2026
1 in 1 years
100.0 %
18h
8.6 mm
11:00am 15/06/2026
5:00am 16/06/2026
1 in 1 years
100.0 %
24h
8.6 mm
5:00am 15/06/2026
5:00am 16/06/2026
1 in 1 years
100.0 %
30h
8.6 mm
11:00pm 14/06/2026
5:00am 16/06/2026
1 in 1 years
100.0 %
36h
8.6 mm
5:00pm 14/06/2026
5:00am 16/06/2026
1 in 1 years
100.0 %
48h
8.8 mm
6:40am 14/06/2026
6:40am 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
