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Light mode11:45pm 11/06/2026 to 11:45pm 13/06/2026
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
15m
5.0 mm
1:45am 12/06/2026
2:00am 12/06/2026
1 in 1.1 years
92.57 %
30m
10.0 mm
1:30pm 12/06/2026
2:00pm 12/06/2026
1 in 1.3 years
74.93 %
45m
10.0 mm
1:15pm 12/06/2026
2:00pm 12/06/2026
1 in 1.2 years
85.26 %
60m
10.0 mm
1:00pm 12/06/2026
2:00pm 12/06/2026
1 in 1.1 years
89.07 %
90m
16.4 mm
1:30pm 12/06/2026
3:00pm 12/06/2026
1 in 1.5 years
68.82 %
120m
16.4 mm
1:00pm 12/06/2026
3:00pm 12/06/2026
1 in 1.3 years
74.12 %
3h
16.4 mm
12:00pm 12/06/2026
3:00pm 12/06/2026
1 in 1.2 years
82.14 %
4h
18.6 mm
1:30pm 12/06/2026
6:00pm 12/06/2026
1 in 1.2 years
82.23 %
6h
18.6 mm
12:00pm 12/06/2026
6:00pm 12/06/2026
1 in 1.1 years
87.09 %
9h
18.8 mm
12:00pm 12/06/2026
9:00pm 12/06/2026
1 in 1.1 years
90.34 %
12h
20.6 mm
6:00am 12/06/2026
6:00pm 12/06/2026
1 in 1.1 years
89.98 %
18h
27.4 mm
12:00am 12/06/2026
6:00pm 12/06/2026
1 in 1.2 years
82.8 %
24h
27.6 mm
12:00am 12/06/2026
12:00am 13/06/2026
1 in 1.2 years
86.67 %
30h
27.6 mm
12:00am 12/06/2026
6:00am 13/06/2026
1 in 1.1 years
88.03 %
36h
27.6 mm
12:00am 12/06/2026
12:00pm 13/06/2026
1 in 1.1 years
89.02 %
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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