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Light mode11:45am 18/06/2026 to 11:45am 20/06/2026
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
1.0 mm
11:30pm 18/06/2026
11:45pm 18/06/2026
1 in 1 years
100.0 %
30m
2.0 mm
11:30pm 18/06/2026
12:00am 19/06/2026
1 in 1 years
100.0 %
45m
3.0 mm
11:30pm 18/06/2026
12:15am 19/06/2026
1 in 1 years
100.0 %
60m
4.0 mm
11:30pm 18/06/2026
12:30am 19/06/2026
1 in 1.0 years
99.87 %
90m
5.0 mm
11:30pm 18/06/2026
1:00am 19/06/2026
1 in 1.0 years
99.79 %
120m
6.0 mm
11:15pm 18/06/2026
1:15am 19/06/2026
1 in 1.0 years
99.53 %
3h
8.0 mm
11:15pm 18/06/2026
2:15am 19/06/2026
1 in 1.0 years
98.87 %
4h
9.0 mm
11:15pm 18/06/2026
3:45am 19/06/2026
1 in 1.0 years
98.81 %
6h
11.0 mm
11:30pm 18/06/2026
5:30am 19/06/2026
1 in 1.0 years
98.38 %
9h
17.0 mm
11:30pm 18/06/2026
8:30am 19/06/2026
1 in 1.1 years
94.84 %
12h
17.0 mm
8:30pm 18/06/2026
8:30am 19/06/2026
1 in 1.0 years
95.97 %
18h
17.0 mm
2:30pm 18/06/2026
8:30am 19/06/2026
1 in 1.0 years
97.29 %
24h
17.0 mm
12:00pm 18/06/2026
12:00pm 19/06/2026
1 in 1.0 years
98.19 %
30h
17.0 mm
12:00pm 18/06/2026
6:00pm 19/06/2026
1 in 1.0 years
98.35 %
36h
17.0 mm
12:00pm 18/06/2026
12:00am 20/06/2026
1 in 1.0 years
98.48 %
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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