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11:30pm 22/05/2026 to 11:30pm 24/05/2026
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
0.4 mm
10:45am 23/05/2026
11:00am 23/05/2026
1 in 1 years
100.0 %
30m
0.4 mm
10:30am 23/05/2026
11:00am 23/05/2026
1 in 1 years
100.0 %
45m
0.4 mm
10:15am 23/05/2026
11:00am 23/05/2026
1 in 1 years
100.0 %
60m
0.4 mm
10:00am 23/05/2026
11:00am 23/05/2026
1 in 1 years
100.0 %
90m
0.4 mm
9:30am 23/05/2026
11:00am 23/05/2026
1 in 1 years
100.0 %
120m
0.4 mm
9:00am 23/05/2026
11:00am 23/05/2026
1 in 1 years
100.0 %
3h
0.4 mm
8:00am 23/05/2026
11:00am 23/05/2026
1 in 1 years
100.0 %
4h
0.4 mm
6:30am 23/05/2026
11:00am 23/05/2026
1 in 1 years
100.0 %
6h
0.4 mm
5:00am 23/05/2026
11:00am 23/05/2026
1 in 1 years
100.0 %
9h
0.4 mm
2:00am 23/05/2026
11:00am 23/05/2026
1 in 1 years
100.0 %
12h
0.4 mm
11:45pm 22/05/2026
11:45am 23/05/2026
1 in 1 years
100.0 %
18h
0.4 mm
11:45pm 22/05/2026
5:45pm 23/05/2026
1 in 1 years
100.0 %
24h
0.4 mm
11:45pm 22/05/2026
11:45pm 23/05/2026
1 in 1 years
100.0 %
30h
0.4 mm
11:45pm 22/05/2026
5:45am 24/05/2026
1 in 1 years
100.0 %
36h
0.4 mm
11:45pm 22/05/2026
11:45am 24/05/2026
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.
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