7:30pm 04/05/2026 to 7:30pm 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
0.8 mm
4:30am 06/05/2026
4:40am 06/05/2026
1 in 1 years
100.0 %
20m
1.4 mm
4:30am 06/05/2026
4:50am 06/05/2026
1 in 1 years
100.0 %
30m
1.6 mm
4:20am 06/05/2026
4:50am 06/05/2026
1 in 1 years
100.0 %
60m
2.0 mm
4:10am 06/05/2026
5:10am 06/05/2026
1 in 1 years
100.0 %
90m
2.4 mm
3:30am 06/05/2026
5:00am 06/05/2026
1 in 1 years
100.0 %
120m
2.6 mm
3:00am 06/05/2026
5:00am 06/05/2026
1 in 1 years
100.0 %
3h
3.4 mm
12:00pm 06/05/2026
3:00pm 06/05/2026
1 in 1 years
100.0 %
4h
4.0 mm
12:00pm 06/05/2026
4:30pm 06/05/2026
1 in 1 years
100.0 %
6h
4.4 mm
12:00pm 06/05/2026
6:00pm 06/05/2026
1 in 1 years
100.0 %
9h
5.0 mm
4:10am 06/05/2026
1:10pm 06/05/2026
1 in 1 years
100.0 %
12h
7.0 mm
4:10am 06/05/2026
4:10pm 06/05/2026
1 in 1 years
100.0 %
18h
9.2 mm
12:40am 06/05/2026
6:40pm 06/05/2026
1 in 1 years
100.0 %
24h
9.4 mm
6:40pm 05/05/2026
6:40pm 06/05/2026
1 in 1 years
100.0 %
30h
9.4 mm
12:40pm 05/05/2026
6:40pm 06/05/2026
1 in 1 years
100.0 %
36h
9.4 mm
5:20am 05/05/2026
5:20pm 06/05/2026
1 in 1 years
100.0 %
48h
9.6 mm
7:30pm 04/05/2026
7:30pm 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.