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Light mode 2:50pm 16/05/2026 to 2:50pm 18/05/2026
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
3.2 mm
4:00pm 16/05/2026
4:10pm 16/05/2026
1 in 1.0 years
99.31 %
20m
6.4 mm
4:00pm 16/05/2026
4:20pm 16/05/2026
1 in 1.1 years
87.65 %
30m
8.0 mm
3:50pm 16/05/2026
4:20pm 16/05/2026
1 in 1.2 years
83.02 %
60m
10.2 mm
3:50pm 16/05/2026
4:50pm 16/05/2026
1 in 1.2 years
86.47 %
90m
10.4 mm
3:40pm 16/05/2026
5:10pm 16/05/2026
1 in 1.1 years
94.42 %
120m
10.4 mm
3:10pm 16/05/2026
5:10pm 16/05/2026
1 in 1.0 years
98.17 %
3h
10.4 mm
2:50pm 16/05/2026
5:50pm 16/05/2026
1 in 1.0 years
99.55 %
4h
10.4 mm
2:50pm 16/05/2026
7:20pm 16/05/2026
1 in 1 years
100.0 %
6h
10.4 mm
2:50pm 16/05/2026
8:50pm 16/05/2026
1 in 1 years
100.0 %
9h
10.4 mm
2:50pm 16/05/2026
11:50pm 16/05/2026
1 in 1 years
100.0 %
12h
10.4 mm
2:50pm 16/05/2026
2:50am 17/05/2026
1 in 1 years
100.0 %
18h
10.4 mm
2:50pm 16/05/2026
8:50am 17/05/2026
1 in 1 years
100.0 %
24h
10.4 mm
2:50pm 16/05/2026
2:50pm 17/05/2026
1 in 1 years
100.0 %
30h
10.4 mm
2:50pm 16/05/2026
8:50pm 17/05/2026
1 in 1 years
100.0 %
36h
10.6 mm
2:50pm 16/05/2026
2:50am 18/05/2026
1 in 1 years
100.0 %
48h
10.6 mm
2:50pm 16/05/2026
2:50pm 18/05/2026
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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