6:45pm 04/05/2026 to 6:45pm 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
15m
1.0 mm
8:45pm 05/05/2026
9:00pm 05/05/2026
1 in 1 years
100.0 %
30m
2.0 mm
9:30pm 05/05/2026
10:00pm 05/05/2026
1 in 1 years
100.0 %
45m
3.0 mm
9:30pm 05/05/2026
10:15pm 05/05/2026
1 in 1 years
100.0 %
60m
3.0 mm
9:15pm 05/05/2026
10:15pm 05/05/2026
1 in 1 years
100.0 %
90m
4.0 mm
8:45pm 05/05/2026
10:15pm 05/05/2026
1 in 1 years
100.0 %
120m
4.0 mm
8:15pm 05/05/2026
10:15pm 05/05/2026
1 in 1 years
100.0 %
3h
4.0 mm
7:15pm 05/05/2026
10:15pm 05/05/2026
1 in 1 years
100.0 %
4h
4.0 mm
5:45pm 05/05/2026
10:15pm 05/05/2026
1 in 1 years
100.0 %
6h
4.0 mm
4:15pm 05/05/2026
10:15pm 05/05/2026
1 in 1 years
100.0 %
9h
4.0 mm
1:15pm 05/05/2026
10:15pm 05/05/2026
1 in 1 years
100.0 %
12h
4.0 mm
10:15am 05/05/2026
10:15pm 05/05/2026
1 in 1 years
100.0 %
18h
5.0 mm
7:30pm 05/05/2026
1:30pm 06/05/2026
1 in 1 years
100.0 %
24h
5.0 mm
1:30pm 05/05/2026
1:30pm 06/05/2026
1 in 1 years
100.0 %
30h
5.0 mm
7:30am 05/05/2026
1:30pm 06/05/2026
1 in 1 years
100.0 %
36h
5.0 mm
1:30am 05/05/2026
1:30pm 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.