5:00am 29/05/2026 to 5:00am 31/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
60m
7.6 mm
6:00pm 30/05/2026
7:00pm 30/05/2026
1 in 1.0 years
95.85 %
120m
9.6 mm
6:00pm 30/05/2026
8:00pm 30/05/2026
1 in 1.0 years
95.85 %
3h
11.0 mm
5:00pm 30/05/2026
8:00pm 30/05/2026
1 in 1.0 years
95.78 %
6h
17.4 mm
2:00pm 30/05/2026
8:00pm 30/05/2026
1 in 1.2 years
86.47 %
9h
20.0 mm
11:00am 30/05/2026
8:00pm 30/05/2026
1 in 1.2 years
85.99 %
12h
20.2 mm
8:00am 30/05/2026
8:00pm 30/05/2026
1 in 1.1 years
89.68 %
18h
20.4 mm
3:00am 30/05/2026
9:00pm 30/05/2026
1 in 1.1 years
94.34 %
24h
20.4 mm
9:00pm 29/05/2026
9:00pm 30/05/2026
1 in 1.0 years
96.17 %
30h
20.4 mm
3:00pm 29/05/2026
9:00pm 30/05/2026
1 in 1.0 years
97.15 %
36h
20.4 mm
9:00am 29/05/2026
9:00pm 30/05/2026
1 in 1.0 years
97.97 %
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.

