7:40pm 04/05/2026 to 7:40pm 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
2.0 mm
3:40am 05/05/2026
3:50am 05/05/2026
1 in 1 years
100.0 %
20m
2.4 mm
3:30am 05/05/2026
3:50am 05/05/2026
1 in 1 years
100.0 %
30m
3.0 mm
3:40am 05/05/2026
4:10am 05/05/2026
1 in 1 years
100.0 %
60m
4.6 mm
3:30am 05/05/2026
4:30am 05/05/2026
1 in 1 years
100.0 %
90m
5.4 mm
2:50am 05/05/2026
4:20am 05/05/2026
1 in 1 years
100.0 %
120m
5.8 mm
2:30am 05/05/2026
4:30am 05/05/2026
1 in 1 years
100.0 %
3h
6.4 mm
2:30am 05/05/2026
5:30am 05/05/2026
1 in 1 years
100.0 %
4h
7.6 mm
2:50am 05/05/2026
7:20am 05/05/2026
1 in 1 years
100.0 %
6h
8.8 mm
12:20am 05/05/2026
6:20am 05/05/2026
1 in 1 years
100.0 %
9h
10.0 mm
8:30pm 04/05/2026
5:30am 05/05/2026
1 in 1 years
100.0 %
12h
11.4 mm
7:40pm 04/05/2026
7:40am 05/05/2026
1 in 1 years
100.0 %
18h
11.4 mm
7:40pm 04/05/2026
1:40pm 05/05/2026
1 in 1 years
100.0 %
24h
11.4 mm
7:40pm 04/05/2026
7:40pm 05/05/2026
1 in 1 years
100.0 %
30h
11.4 mm
7:40pm 04/05/2026
1:40am 06/05/2026
1 in 1 years
100.0 %
36h
11.4 mm
7:40pm 04/05/2026
7:40am 06/05/2026
1 in 1 years
100.0 %
48h
11.8 mm
7:40pm 04/05/2026
7:40pm 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.