7:20pm 04/05/2026 to 7:20pm 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
2.2 mm
2:50pm 06/05/2026
3:00pm 06/05/2026
1 in 1 years
100.0 %
20m
3.4 mm
2:50pm 06/05/2026
3:10pm 06/05/2026
1 in 1 years
100.0 %
30m
4.0 mm
2:50pm 06/05/2026
3:20pm 06/05/2026
1 in 1 years
100.0 %
60m
7.0 mm
2:10pm 06/05/2026
3:10pm 06/05/2026
1 in 1 years
100.0 %
90m
8.6 mm
2:10pm 06/05/2026
3:40pm 06/05/2026
1 in 1 years
100.0 %
120m
9.6 mm
2:10pm 06/05/2026
4:10pm 06/05/2026
1 in 1 years
100.0 %
3h
11.4 mm
2:10pm 06/05/2026
5:10pm 06/05/2026
1 in 1 years
100.0 %
4h
14.4 mm
2:10pm 06/05/2026
6:40pm 06/05/2026
1 in 1 years
100.0 %
6h
17.6 mm
9:20am 06/05/2026
3:20pm 06/05/2026
1 in 1 years
100.0 %
9h
25.2 mm
8:40am 06/05/2026
5:40pm 06/05/2026
1 in 1 years
100.0 %
12h
28.4 mm
5:40am 06/05/2026
5:40pm 06/05/2026
1 in 1 years
100.0 %
18h
36.0 mm
11:40pm 05/05/2026
5:40pm 06/05/2026
1 in 1 years
100.0 %
24h
41.0 mm
6:40pm 05/05/2026
6:40pm 06/05/2026
1 in 1 years
100.0 %
30h
42.8 mm
12:50pm 05/05/2026
6:50pm 06/05/2026
1 in 1 years
100.0 %
36h
45.6 mm
7:10am 05/05/2026
7:10pm 06/05/2026
1 in 1 years
100.0 %
48h
53.4 mm
7:20pm 04/05/2026
7:20pm 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.