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Light mode10:30pm 24/05/2026 to 10:30pm 26/05/2026
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
1.8 mm
8:20am 25/05/2026
8:30am 25/05/2026
1 in 1 years
100.0 %
15m
0.2 mm
7:12am 25/05/2026
7:27am 25/05/2026
1 in 1 years
100.0 %
20m
3.2 mm
7:10am 26/05/2026
7:30am 26/05/2026
1 in 1 years
100.0 %
30m
3.2 mm
7:00am 26/05/2026
7:30am 26/05/2026
1 in 1 years
100.0 %
60m
4.2 mm
12:50pm 26/05/2026
1:50pm 26/05/2026
1 in 1 years
100.0 %
90m
4.6 mm
12:40pm 26/05/2026
2:10pm 26/05/2026
1 in 1 years
100.0 %
120m
4.6 mm
12:40pm 26/05/2026
2:40pm 26/05/2026
1 in 1 years
100.0 %
3h
4.6 mm
12:40pm 26/05/2026
3:40pm 26/05/2026
1 in 1 years
100.0 %
4h
4.8 mm
2:00am 25/05/2026
6:30am 25/05/2026
1 in 1 years
100.0 %
6h
6.2 mm
2:40am 25/05/2026
8:40am 25/05/2026
1 in 1 years
100.0 %
9h
9.0 mm
4:50am 26/05/2026
1:50pm 26/05/2026
1 in 1 years
100.0 %
12h
10.0 mm
12:20am 25/05/2026
12:20pm 25/05/2026
1 in 1 years
100.0 %
18h
11.4 mm
11:20pm 24/05/2026
5:20pm 25/05/2026
1 in 1 years
100.0 %
24h
11.4 mm
11:20pm 24/05/2026
11:20pm 25/05/2026
1 in 1 years
100.0 %
30h
14.2 mm
8:00am 25/05/2026
2:00pm 26/05/2026
1 in 1 years
100.0 %
36h
19.2 mm
2:00am 25/05/2026
2:00pm 26/05/2026
1 in 1 years
100.0 %
48h
20.8 mm
10:30pm 24/05/2026
10:30pm 26/05/2026
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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