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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
3.0 mm
10:50am 14/06/2026
11:00am 14/06/2026
1 in 1 years
100.0 %
20m
4.2 mm
10:40am 14/06/2026
11:00am 14/06/2026
1 in 1 years
100.0 %
30m
5.6 mm
9:40am 14/06/2026
10:10am 14/06/2026
1 in 1.0 years
99.84 %
60m
10.2 mm
9:10am 14/06/2026
10:10am 14/06/2026
1 in 1.1 years
89.81 %
90m
14.8 mm
9:30am 14/06/2026
11:00am 14/06/2026
1 in 1.6 years
63.98 %
120m
18.6 mm
9:00am 14/06/2026
11:00am 14/06/2026
1 in 2.1 years
48.16 %
3h
22.0 mm
8:00am 14/06/2026
11:00am 14/06/2026
1 in 2.2 years
46.5 %
4h
25.2 mm
6:30am 14/06/2026
11:00am 14/06/2026
1 in 2.0 years
49.08 %
6h
25.8 mm
6:40am 14/06/2026
12:40pm 14/06/2026
1 in 1.6 years
61.39 %
9h
29.2 mm
6:40am 14/06/2026
3:40pm 14/06/2026
1 in 1.5 years
67.04 %
12h
33.2 mm
7:00am 14/06/2026
7:00pm 14/06/2026
1 in 1.5 years
65.8 %
18h
43.0 mm
7:00am 14/06/2026
1:00am 15/06/2026
1 in 1.9 years
52.99 %
24h
46.8 mm
4:00am 14/06/2026
4:00am 15/06/2026
1 in 1.7 years
58.11 %
30h
48.8 mm
4:00am 14/06/2026
10:00am 15/06/2026
1 in 1.5 years
65.43 %
36h
48.8 mm
4:00am 14/06/2026
4:00pm 15/06/2026
1 in 1.3 years
75.39 %
48h
51.4 mm
12:20am 14/06/2026
12:20am 16/06/2026
1 in 1.2 years
85.24 %
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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