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
1.6 mm
8:10pm 05/05/2026
8:20pm 05/05/2026
1 in 1 years
100.0 %
20m
2.8 mm
8:10pm 05/05/2026
8:30pm 05/05/2026
1 in 1 years
100.0 %
30m
3.2 mm
8:00pm 05/05/2026
8:30pm 05/05/2026
1 in 1 years
100.0 %
60m
3.8 mm
8:10pm 05/05/2026
9:10pm 05/05/2026
1 in 1 years
100.0 %
90m
5.4 mm
2:20pm 06/05/2026
3:50pm 06/05/2026
1 in 1 years
100.0 %
120m
7.2 mm
1:50pm 06/05/2026
3:50pm 06/05/2026
1 in 1 years
100.0 %
3h
8.8 mm
1:30pm 06/05/2026
4:30pm 06/05/2026
1 in 1 years
100.0 %
4h
11.6 mm
11:50am 06/05/2026
4:20pm 06/05/2026
1 in 1 years
100.0 %
6h
13.8 mm
11:50am 06/05/2026
5:50pm 06/05/2026
1 in 1 years
100.0 %
9h
14.2 mm
8:50am 06/05/2026
5:50pm 06/05/2026
1 in 1 years
100.0 %
12h
15.0 mm
7:00am 06/05/2026
7:00pm 06/05/2026
1 in 1 years
100.0 %
18h
18.2 mm
1:00am 06/05/2026
7:00pm 06/05/2026
1 in 1 years
100.0 %
24h
23.6 mm
7:00pm 05/05/2026
7:00pm 06/05/2026
1 in 1 years
100.0 %
30h
24.4 mm
1:00pm 05/05/2026
7:00pm 06/05/2026
1 in 1 years
100.0 %
36h
24.8 mm
7:00am 05/05/2026
7:00pm 06/05/2026
1 in 1 years
100.0 %
48h
27.2 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.