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Light mode 3:40pm 19/06/2026 to 3:40pm 21/06/2026
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
0.6 mm
8:50pm 20/06/2026
9:00pm 20/06/2026
1 in 1 years
100.0 %
15m
0.0 mm
4:10pm 19/06/2026
4:25pm 19/06/2026
1 in 1 years
100.0 %
20m
1.0 mm
8:40pm 20/06/2026
9:00pm 20/06/2026
1 in 1 years
100.0 %
25m
0.2 mm
4:00pm 19/06/2026
4:25pm 19/06/2026
1 in 1 years
100.0 %
30m
1.4 mm
8:40pm 20/06/2026
9:10pm 20/06/2026
1 in 1 years
100.0 %
45m
0.2 mm
3:40pm 19/06/2026
4:25pm 19/06/2026
1 in 1 years
100.0 %
60m
2.8 mm
8:40pm 20/06/2026
9:40pm 20/06/2026
1 in 1 years
100.0 %
90m
4.0 mm
8:40pm 20/06/2026
10:10pm 20/06/2026
1 in 1 years
100.0 %
120m
5.2 mm
8:40pm 20/06/2026
10:40pm 20/06/2026
1 in 1 years
100.0 %
3h
7.6 mm
8:40pm 20/06/2026
11:40pm 20/06/2026
1 in 1 years
100.0 %
4h
10.4 mm
8:50pm 20/06/2026
1:20am 21/06/2026
1 in 1 years
100.0 %
6h
12.8 mm
7:50pm 20/06/2026
1:50am 21/06/2026
1 in 1 years
100.0 %
9h
15.8 mm
6:20pm 20/06/2026
3:20am 21/06/2026
1 in 1.0 years
99.95 %
12h
17.8 mm
6:20pm 20/06/2026
6:20am 21/06/2026
1 in 1.0 years
99.9 %
18h
19.4 mm
4:30pm 20/06/2026
10:30am 21/06/2026
1 in 1.0 years
99.95 %
24h
20.2 mm
9:30am 20/06/2026
9:30am 21/06/2026
1 in 1 years
100.0 %
30h
21.0 mm
3:30am 20/06/2026
9:30am 21/06/2026
1 in 1 years
100.0 %
36h
22.0 mm
10:20pm 19/06/2026
10:20am 21/06/2026
1 in 1 years
100.0 %
48h
23.2 mm
3:40pm 19/06/2026
3:40pm 21/06/2026
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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