8:45pm 11/05/2026 to 8:45pm 13/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
15m
6.0 mm
6:30pm 13/05/2026
6:45pm 13/05/2026
1 in 1 years
100.0 %
30m
9.0 mm
6:15pm 13/05/2026
6:45pm 13/05/2026
1 in 1 years
100.0 %
45m
9.0 mm
6:00pm 13/05/2026
6:45pm 13/05/2026
1 in 1 years
100.0 %
60m
9.0 mm
5:45pm 13/05/2026
6:45pm 13/05/2026
1 in 1 years
100.0 %
90m
10.0 mm
5:15pm 13/05/2026
6:45pm 13/05/2026
1 in 1 years
100.0 %
120m
13.0 mm
6:15pm 13/05/2026
8:15pm 13/05/2026
1 in 1 years
100.0 %
3h
14.0 mm
5:15pm 13/05/2026
8:15pm 13/05/2026
1 in 1 years
100.0 %
4h
15.0 mm
3:45pm 13/05/2026
8:15pm 13/05/2026
1 in 1 years
100.0 %
6h
15.0 mm
2:15pm 13/05/2026
8:15pm 13/05/2026
1 in 1 years
100.0 %
9h
18.0 mm
11:15am 13/05/2026
8:15pm 13/05/2026
1 in 1 years
100.0 %
12h
18.0 mm
8:15am 13/05/2026
8:15pm 13/05/2026
1 in 1 years
100.0 %
18h
26.0 mm
2:15am 13/05/2026
8:15pm 13/05/2026
1 in 1 years
100.0 %
24h
26.0 mm
8:15pm 12/05/2026
8:15pm 13/05/2026
1 in 1 years
100.0 %
30h
28.0 mm
2:15pm 12/05/2026
8:15pm 13/05/2026
1 in 1 years
100.0 %
36h
28.0 mm
8:15am 12/05/2026
8:15pm 13/05/2026
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.

