7:00pm 04/05/2026 to 7:00pm 06/05/2026
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
2.6 mm
3:20am 05/05/2026
3:30am 05/05/2026
1 in 1 years
100.0 %
20m
3.6 mm
3:20am 05/05/2026
3:40am 05/05/2026
1 in 1 years
100.0 %
30m
4.2 mm
3:20am 05/05/2026
3:50am 05/05/2026
1 in 1 years
100.0 %
60m
4.4 mm
3:20am 05/05/2026
4:20am 05/05/2026
1 in 1 years
100.0 %
90m
5.0 mm
2:20am 05/05/2026
3:50am 05/05/2026
1 in 1 years
100.0 %
120m
5.2 mm
2:20am 05/05/2026
4:20am 05/05/2026
1 in 1 years
100.0 %
3h
5.6 mm
2:20am 05/05/2026
5:20am 05/05/2026
1 in 1 years
100.0 %
4h
5.6 mm
2:20am 05/05/2026
6:50am 05/05/2026
1 in 1 years
100.0 %
6h
5.6 mm
2:20am 05/05/2026
8:20am 05/05/2026
1 in 1 years
100.0 %
9h
5.6 mm
2:20am 05/05/2026
11:20am 05/05/2026
1 in 1 years
100.0 %
12h
5.6 mm
2:20am 05/05/2026
2:20pm 05/05/2026
1 in 1 years
100.0 %
18h
5.6 mm
2:20am 05/05/2026
8:20pm 05/05/2026
1 in 1 years
100.0 %
24h
5.6 mm
2:20am 05/05/2026
2:20am 06/05/2026
1 in 1 years
100.0 %
30h
5.6 mm
2:20am 05/05/2026
8:20am 06/05/2026
1 in 1 years
100.0 %
36h
7.6 mm
2:20am 05/05/2026
2:20pm 06/05/2026
1 in 1 years
100.0 %
48h
8.0 mm
7:00pm 04/05/2026
7:00pm 06/05/2026
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.