Dark mode
Light mode 3:30pm 19/06/2026 to 3:30pm 21/06/2026
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
2.2 mm
3:00am 20/06/2026
3:15am 20/06/2026
1 in 1 years
100.0 %
30m
3.2 mm
3:00am 20/06/2026
3:30am 20/06/2026
1 in 1 years
100.0 %
45m
3.2 mm
2:45am 20/06/2026
3:30am 20/06/2026
1 in 1 years
100.0 %
60m
3.4 mm
3:00am 20/06/2026
4:00am 20/06/2026
1 in 1 years
100.0 %
90m
4.0 mm
2:00am 20/06/2026
3:30am 20/06/2026
1 in 1 years
100.0 %
120m
4.2 mm
1:30am 20/06/2026
3:30am 20/06/2026
1 in 1 years
100.0 %
3h
5.0 mm
12:30am 20/06/2026
3:30am 20/06/2026
1 in 1 years
100.0 %
4h
7.4 mm
11:00pm 19/06/2026
3:30am 20/06/2026
1 in 1 years
100.0 %
6h
8.4 mm
11:30pm 19/06/2026
5:30am 20/06/2026
1 in 1 years
100.0 %
9h
9.6 mm
10:45pm 19/06/2026
7:45am 20/06/2026
1 in 1 years
100.0 %
12h
10.2 mm
7:45pm 19/06/2026
7:45am 20/06/2026
1 in 1 years
100.0 %
18h
12.8 mm
3:00am 20/06/2026
9:00pm 20/06/2026
1 in 1 years
100.0 %
24h
17.8 mm
9:15pm 19/06/2026
9:15pm 20/06/2026
1 in 1 years
100.0 %
30h
19.0 mm
9:15pm 19/06/2026
3:15am 21/06/2026
1 in 1 years
100.0 %
36h
20.0 mm
9:00pm 19/06/2026
9:00am 21/06/2026
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
