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
10:30pm 04/05/2026
10:40pm 04/05/2026
1 in 1 years
100.0 %
20m
3.8 mm
10:20pm 04/05/2026
10:40pm 04/05/2026
1 in 1 years
100.0 %
30m
5.2 mm
10:20pm 04/05/2026
10:50pm 04/05/2026
1 in 1 years
100.0 %
60m
6.4 mm
9:50pm 04/05/2026
10:50pm 04/05/2026
1 in 1 years
100.0 %
90m
7.0 mm
12:50pm 06/05/2026
2:20pm 06/05/2026
1 in 1 years
100.0 %
120m
7.8 mm
12:30pm 06/05/2026
2:30pm 06/05/2026
1 in 1 years
100.0 %
3h
8.4 mm
12:10pm 06/05/2026
3:10pm 06/05/2026
1 in 1 years
100.0 %
4h
8.4 mm
11:10am 06/05/2026
3:40pm 06/05/2026
1 in 1 years
100.0 %
6h
9.0 mm
8:10pm 04/05/2026
2:10am 05/05/2026
1 in 1 years
100.0 %
9h
10.4 mm
7:40pm 04/05/2026
4:40am 05/05/2026
1 in 1 years
100.0 %
12h
10.6 mm
3:10am 06/05/2026
3:10pm 06/05/2026
1 in 1 years
100.0 %
18h
11.6 mm
12:00am 06/05/2026
6:00pm 06/05/2026
1 in 1 years
100.0 %
24h
11.6 mm
6:00pm 05/05/2026
6:00pm 06/05/2026
1 in 1 years
100.0 %
30h
11.6 mm
12:00pm 05/05/2026
6:00pm 06/05/2026
1 in 1 years
100.0 %
36h
12.8 mm
8:40pm 04/05/2026
8:40am 06/05/2026
1 in 1 years
100.0 %
48h
22.0 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.