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Light mode12:00am 12/06/2026 to 12:00am 14/06/2026
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
2:45am 12/06/2026
3:00am 12/06/2026
1 in 1.1 years
94.06 %
30m
5.0 mm
2:30am 12/06/2026
3:00am 12/06/2026
1 in 1.0 years
98.34 %
45m
5.0 mm
2:15am 12/06/2026
3:00am 12/06/2026
1 in 1.0 years
98.87 %
60m
5.0 mm
2:00am 12/06/2026
3:00am 12/06/2026
1 in 1.0 years
99.2 %
90m
5.0 mm
1:30am 12/06/2026
3:00am 12/06/2026
1 in 1.0 years
99.59 %
120m
10.0 mm
2:30am 12/06/2026
4:30am 12/06/2026
1 in 1.1 years
93.26 %
3h
10.0 mm
1:30am 12/06/2026
4:30am 12/06/2026
1 in 1.0 years
95.57 %
4h
13.8 mm
1:30am 12/06/2026
6:00am 12/06/2026
1 in 1.1 years
88.68 %
6h
13.8 mm
1:00am 12/06/2026
7:00am 12/06/2026
1 in 1.1 years
91.09 %
9h
16.4 mm
2:45am 12/06/2026
11:45am 12/06/2026
1 in 1.1 years
88.86 %
12h
17.4 mm
2:45am 12/06/2026
2:45pm 12/06/2026
1 in 1.1 years
89.53 %
18h
18.4 mm
2:45am 12/06/2026
8:45pm 12/06/2026
1 in 1.1 years
91.29 %
24h
18.4 mm
2:45am 12/06/2026
2:45am 13/06/2026
1 in 1.1 years
93.76 %
30h
18.4 mm
2:45am 12/06/2026
8:45am 13/06/2026
1 in 1.0 years
95.3 %
36h
18.4 mm
2:45am 12/06/2026
2:45pm 13/06/2026
1 in 1.0 years
95.84 %
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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