Dark mode
Light mode 8:00am 14/05/2026 to 8:00am 16/05/2026
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
0.2 mm
3:30am 15/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
20m
0.2 mm
3:20am 15/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
30m
0.2 mm
3:10am 15/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
60m
0.2 mm
2:40am 15/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
90m
0.2 mm
2:10am 15/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
120m
0.2 mm
1:40am 15/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
3h
0.2 mm
12:40am 15/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
4h
0.2 mm
11:10pm 14/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
6h
0.2 mm
9:40pm 14/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
9h
0.2 mm
6:40pm 14/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
12h
0.2 mm
3:40pm 14/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
18h
0.2 mm
9:40am 14/05/2026
3:40am 15/05/2026
1 in 1 years
100.0 %
24h
0.2 mm
8:00am 14/05/2026
8:00am 15/05/2026
1 in 1 years
100.0 %
30h
0.2 mm
8:00am 14/05/2026
2:00pm 15/05/2026
1 in 1 years
100.0 %
36h
0.2 mm
8:00am 14/05/2026
8:00pm 15/05/2026
1 in 1 years
100.0 %
48h
0.2 mm
8:00am 14/05/2026
8:00am 16/05/2026
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
