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Light mode12:20am 14/06/2026 to 12:20am 16/06/2026
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
6.6 mm
2:20pm 14/06/2026
2:30pm 14/06/2026
1 in 1.1 years
88.85 %
20m
10.6 mm
2:20pm 14/06/2026
2:40pm 14/06/2026
1 in 1.4 years
71.6 %
30m
11.2 mm
2:20pm 14/06/2026
2:50pm 14/06/2026
1 in 1.2 years
84.12 %
60m
13.6 mm
2:20pm 14/06/2026
3:20pm 14/06/2026
1 in 1.1 years
89.56 %
90m
14.6 mm
2:20pm 14/06/2026
3:50pm 14/06/2026
1 in 1.1 years
94.12 %
120m
17.2 mm
2:20pm 14/06/2026
4:20pm 14/06/2026
1 in 1.1 years
90.14 %
3h
19.0 mm
2:10pm 14/06/2026
5:10pm 14/06/2026
1 in 1.1 years
92.61 %
4h
20.2 mm
2:20pm 14/06/2026
6:50pm 14/06/2026
1 in 1.0 years
96.11 %
6h
20.4 mm
12:50pm 14/06/2026
6:50pm 14/06/2026
1 in 1.0 years
98.3 %
9h
20.6 mm
11:20am 14/06/2026
8:20pm 14/06/2026
1 in 1.0 years
99.39 %
12h
25.0 mm
11:40am 14/06/2026
11:40pm 14/06/2026
1 in 1.0 years
98.51 %
18h
27.6 mm
2:10pm 14/06/2026
8:10am 15/06/2026
1 in 1.0 years
98.79 %
24h
27.8 mm
8:10am 14/06/2026
8:10am 15/06/2026
1 in 1.0 years
99.59 %
30h
27.8 mm
2:10am 14/06/2026
8:10am 15/06/2026
1 in 1.0 years
99.86 %
36h
27.8 mm
12:20am 14/06/2026
12:20pm 15/06/2026
1 in 1.0 years
99.99 %
48h
27.8 mm
12:20am 14/06/2026
12:20am 16/06/2026
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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