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Light mode10:10am 27/06/2026 to 10:10am 29/06/2026
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
4.6 mm
4:50am 29/06/2026
5:00am 29/06/2026
1 in 1.1 years
93.17 %
20m
7.0 mm
4:50am 29/06/2026
5:10am 29/06/2026
1 in 1.1 years
88.83 %
30m
8.0 mm
4:40am 29/06/2026
5:10am 29/06/2026
1 in 1.1 years
91.39 %
60m
8.6 mm
4:40am 29/06/2026
5:40am 29/06/2026
1 in 1.0 years
98.49 %
90m
9.0 mm
4:10am 29/06/2026
5:40am 29/06/2026
1 in 1.0 years
99.47 %
120m
9.0 mm
3:40am 29/06/2026
5:40am 29/06/2026
1 in 1.0 years
99.89 %
3h
9.2 mm
2:40am 29/06/2026
5:40am 29/06/2026
1 in 1 years
100.0 %
4h
12.8 mm
4:00am 29/06/2026
8:30am 29/06/2026
1 in 1.0 years
99.83 %
6h
13.0 mm
2:30am 29/06/2026
8:30am 29/06/2026
1 in 1.0 years
99.96 %
9h
13.4 mm
1:00am 29/06/2026
10:00am 29/06/2026
1 in 1 years
100.0 %
12h
13.4 mm
10:00pm 28/06/2026
10:00am 29/06/2026
1 in 1 years
100.0 %
18h
13.4 mm
4:00pm 28/06/2026
10:00am 29/06/2026
1 in 1 years
100.0 %
24h
13.4 mm
10:00am 28/06/2026
10:00am 29/06/2026
1 in 1 years
100.0 %
30h
13.4 mm
2:30am 28/06/2026
8:30am 29/06/2026
1 in 1 years
100.0 %
36h
13.6 mm
10:00pm 27/06/2026
10:00am 29/06/2026
1 in 1 years
100.0 %
48h
13.6 mm
10:10am 27/06/2026
10:10am 29/06/2026
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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