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Light mode11:50pm 26/06/2026 to 11:50pm 28/06/2026
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
1.4 mm
3:00am 27/06/2026
3:10am 27/06/2026
1 in 1 years
100.0 %
20m
2.8 mm
3:00am 27/06/2026
3:20am 27/06/2026
1 in 1 years
100.0 %
30m
3.4 mm
2:10am 27/06/2026
2:40am 27/06/2026
1 in 1 years
100.0 %
60m
5.8 mm
2:50pm 27/06/2026
3:50pm 27/06/2026
1 in 1 years
100.0 %
90m
7.8 mm
2:30pm 27/06/2026
4:00pm 27/06/2026
1 in 1 years
100.0 %
120m
9.4 mm
1:20am 27/06/2026
3:20am 27/06/2026
1 in 1 years
100.0 %
3h
11.2 mm
12:40am 27/06/2026
3:40am 27/06/2026
1 in 1 years
100.0 %
4h
13.0 mm
11:50am 27/06/2026
4:20pm 27/06/2026
1 in 1 years
100.0 %
6h
13.6 mm
11:50am 27/06/2026
5:50pm 27/06/2026
1 in 1 years
100.0 %
9h
15.2 mm
9:10am 27/06/2026
6:10pm 27/06/2026
1 in 1 years
100.0 %
12h
17.0 mm
12:40am 27/06/2026
12:40pm 27/06/2026
1 in 1 years
100.0 %
18h
28.8 mm
11:50pm 26/06/2026
5:50pm 27/06/2026
1 in 1.0 years
97.25 %
24h
29.0 mm
11:50pm 26/06/2026
11:50pm 27/06/2026
1 in 1.0 years
99.07 %
30h
30.2 mm
12:00am 27/06/2026
6:00am 28/06/2026
1 in 1.0 years
99.56 %
36h
31.2 mm
11:50pm 26/06/2026
11:50am 28/06/2026
1 in 1.0 years
99.8 %
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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