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Light mode11:50am 21/06/2026 to 11:50am 23/06/2026
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
10m
0.6 mm
9:20am 23/06/2026
9:30am 23/06/2026
1 in 1 years
100.0 %
20m
1.0 mm
9:20am 23/06/2026
9:40am 23/06/2026
1 in 1 years
100.0 %
30m
1.4 mm
9:20am 23/06/2026
9:50am 23/06/2026
1 in 1 years
100.0 %
60m
1.8 mm
9:00am 23/06/2026
10:00am 23/06/2026
1 in 1 years
100.0 %
90m
1.8 mm
8:30am 23/06/2026
10:00am 23/06/2026
1 in 1 years
100.0 %
120m
2.0 mm
8:50am 23/06/2026
10:50am 23/06/2026
1 in 1 years
100.0 %
3h
2.2 mm
8:30am 23/06/2026
11:30am 23/06/2026
1 in 1 years
100.0 %
4h
2.2 mm
7:00am 23/06/2026
11:30am 23/06/2026
1 in 1 years
100.0 %
6h
2.2 mm
5:30am 23/06/2026
11:30am 23/06/2026
1 in 1 years
100.0 %
9h
2.2 mm
2:30am 23/06/2026
11:30am 23/06/2026
1 in 1 years
100.0 %
12h
2.2 mm
11:30pm 22/06/2026
11:30am 23/06/2026
1 in 1 years
100.0 %
18h
2.2 mm
5:30pm 22/06/2026
11:30am 23/06/2026
1 in 1 years
100.0 %
24h
2.2 mm
11:30am 22/06/2026
11:30am 23/06/2026
1 in 1 years
100.0 %
30h
2.4 mm
5:30am 22/06/2026
11:30am 23/06/2026
1 in 1 years
100.0 %
36h
2.4 mm
11:30pm 21/06/2026
11:30am 23/06/2026
1 in 1 years
100.0 %
48h
2.4 mm
11:50am 21/06/2026
11:50am 23/06/2026
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.
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