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Light mode11:50am 18/06/2026 to 11:50am 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
10m
0.4 mm
10:40am 19/06/2026
10:50am 19/06/2026
1 in 1 years
100.0 %
20m
0.8 mm
10:40am 19/06/2026
11:00am 19/06/2026
1 in 1 years
100.0 %
30m
1.0 mm
10:40am 19/06/2026
11:10am 19/06/2026
1 in 1 years
100.0 %
60m
1.6 mm
10:40am 19/06/2026
11:40am 19/06/2026
1 in 1 years
100.0 %
90m
1.8 mm
10:10am 19/06/2026
11:40am 19/06/2026
1 in 1 years
100.0 %
120m
2.0 mm
10:00am 19/06/2026
12:00pm 19/06/2026
1 in 1 years
100.0 %
3h
2.0 mm
9:00am 19/06/2026
12:00pm 19/06/2026
1 in 1 years
100.0 %
4h
3.2 mm
10:00am 19/06/2026
2:30pm 19/06/2026
1 in 1 years
100.0 %
6h
3.2 mm
8:30am 19/06/2026
2:30pm 19/06/2026
1 in 1 years
100.0 %
9h
3.2 mm
5:30am 19/06/2026
2:30pm 19/06/2026
1 in 1 years
100.0 %
12h
3.2 mm
2:30am 19/06/2026
2:30pm 19/06/2026
1 in 1 years
100.0 %
18h
3.2 mm
8:30pm 18/06/2026
2:30pm 19/06/2026
1 in 1 years
100.0 %
24h
3.2 mm
2:30pm 18/06/2026
2:30pm 19/06/2026
1 in 1 years
100.0 %
30h
3.4 mm
5:40am 19/06/2026
11:40am 20/06/2026
1 in 1 years
100.0 %
36h
3.4 mm
11:40pm 18/06/2026
11:40am 20/06/2026
1 in 1 years
100.0 %
48h
3.4 mm
11:50am 18/06/2026
11:50am 20/06/2026
1 in 1 years
100.0 %
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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