9:30pm 23/05/2026 to 9:30pm 25/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
10m
0.8 mm
4:30pm 25/05/2026
4:40pm 25/05/2026
1 in 1 years
100.0 %
20m
1.4 mm
4:30pm 25/05/2026
4:50pm 25/05/2026
1 in 1 years
100.0 %
30m
2.0 mm
5:50pm 25/05/2026
6:20pm 25/05/2026
1 in 1 years
100.0 %
60m
3.2 mm
3:50pm 25/05/2026
4:50pm 25/05/2026
1 in 1 years
100.0 %
90m
4.0 mm
5:30pm 25/05/2026
7:00pm 25/05/2026
1 in 1 years
100.0 %
120m
5.0 mm
4:30pm 25/05/2026
6:30pm 25/05/2026
1 in 1 years
100.0 %
3h
7.4 mm
4:00pm 25/05/2026
7:00pm 25/05/2026
1 in 1 years
100.0 %
4h
9.4 mm
3:50pm 25/05/2026
8:20pm 25/05/2026
1 in 1.0 years
99.96 %
6h
10.6 mm
3:30pm 25/05/2026
9:30pm 25/05/2026
1 in 1.0 years
99.94 %
9h
11.4 mm
12:30pm 25/05/2026
9:30pm 25/05/2026
1 in 1 years
100.0 %
12h
11.4 mm
9:30am 25/05/2026
9:30pm 25/05/2026
1 in 1 years
100.0 %
18h
11.4 mm
3:30am 25/05/2026
9:30pm 25/05/2026
1 in 1 years
100.0 %
24h
11.4 mm
9:30pm 24/05/2026
9:30pm 25/05/2026
1 in 1 years
100.0 %
30h
11.4 mm
3:30pm 24/05/2026
9:30pm 25/05/2026
1 in 1 years
100.0 %
36h
11.4 mm
9:30am 24/05/2026
9:30pm 25/05/2026
1 in 1 years
100.0 %
48h
11.4 mm
9:30pm 23/05/2026
9:30pm 25/05/2026
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.

