Dark mode
Light mode10:20pm 24/05/2026 to 10:20pm 26/05/2026
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
9:20pm 26/05/2026
9:30pm 26/05/2026
1 in 1 years
100.0 %
15m
0.0 mm
7:12am 25/05/2026
7:27am 25/05/2026
1 in 1 years
100.0 %
20m
3.0 mm
9:10pm 26/05/2026
9:30pm 26/05/2026
1 in 1 years
100.0 %
30m
3.0 mm
9:00pm 26/05/2026
9:30pm 26/05/2026
1 in 1 years
100.0 %
60m
4.4 mm
10:20am 26/05/2026
11:20am 26/05/2026
1 in 1 years
100.0 %
90m
6.2 mm
10:00am 26/05/2026
11:30am 26/05/2026
1 in 1 years
100.0 %
120m
8.0 mm
9:30am 26/05/2026
11:30am 26/05/2026
1 in 1 years
100.0 %
3h
10.0 mm
9:30am 26/05/2026
12:30pm 26/05/2026
1 in 1 years
100.0 %
4h
12.8 mm
5:00pm 26/05/2026
9:30pm 26/05/2026
1 in 1 years
100.0 %
6h
15.0 mm
3:30pm 26/05/2026
9:30pm 26/05/2026
1 in 1 years
100.0 %
9h
17.4 mm
1:20pm 26/05/2026
10:20pm 26/05/2026
1 in 1 years
100.0 %
12h
27.4 mm
9:30am 26/05/2026
9:30pm 26/05/2026
1 in 1.0 years
99.18 %
18h
27.6 mm
3:30am 26/05/2026
9:30pm 26/05/2026
1 in 1.0 years
99.82 %
24h
27.6 mm
9:30pm 25/05/2026
9:30pm 26/05/2026
1 in 1.0 years
99.94 %
30h
27.6 mm
3:30pm 25/05/2026
9:30pm 26/05/2026
1 in 1 years
100.0 %
36h
27.6 mm
9:30am 25/05/2026
9:30pm 26/05/2026
1 in 1 years
100.0 %
48h
27.6 mm
10:20pm 24/05/2026
10:20pm 26/05/2026
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.
Install
