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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
2:30am 12/06/2026
2:45am 12/06/2026
1 in 1.1 years
91.08 %
30m
7.2 mm
2:30am 12/06/2026
3:00am 12/06/2026
1 in 1.1 years
89.59 %
45m
7.2 mm
2:15am 12/06/2026
3:00am 12/06/2026
1 in 1.1 years
94.88 %
60m
7.2 mm
2:00am 12/06/2026
3:00am 12/06/2026
1 in 1.0 years
96.43 %
90m
7.2 mm
1:30am 12/06/2026
3:00am 12/06/2026
1 in 1.0 years
98.22 %
120m
7.2 mm
1:00am 12/06/2026
3:00am 12/06/2026
1 in 1.0 years
98.58 %
3h
12.2 mm
1:45am 12/06/2026
4:45am 12/06/2026
1 in 1.1 years
91.74 %
4h
12.6 mm
1:30am 12/06/2026
6:00am 12/06/2026
1 in 1.1 years
94.46 %
6h
12.6 mm
12:00am 12/06/2026
6:00am 12/06/2026
1 in 1.0 years
95.87 %
9h
17.2 mm
12:00am 12/06/2026
9:00am 12/06/2026
1 in 1.1 years
90.17 %
12h
17.4 mm
12:00am 12/06/2026
12:00pm 12/06/2026
1 in 1.1 years
91.93 %
18h
17.6 mm
12:00am 12/06/2026
6:00pm 12/06/2026
1 in 1.1 years
94.48 %
24h
17.6 mm
12:00am 12/06/2026
12:00am 13/06/2026
1 in 1.0 years
95.58 %
30h
17.6 mm
12:00am 12/06/2026
6:00am 13/06/2026
1 in 1.0 years
96.12 %
36h
17.6 mm
12:00am 12/06/2026
12:00pm 13/06/2026
1 in 1.0 years
96.48 %
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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