2:20am 25/05/2026 to 2:20am 27/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
10m
1.0 mm
9:50pm 26/05/2026
10:00pm 26/05/2026
1 in 1 years
100.0 %
20m
1.0 mm
9:40pm 26/05/2026
10:00pm 26/05/2026
1 in 1 years
100.0 %
30m
1.0 mm
9:30pm 26/05/2026
10:00pm 26/05/2026
1 in 1 years
100.0 %
60m
1.4 mm
9:50pm 26/05/2026
10:50pm 26/05/2026
1 in 1 years
100.0 %
90m
1.6 mm
9:30pm 26/05/2026
11:00pm 26/05/2026
1 in 1 years
100.0 %
120m
1.6 mm
9:00pm 26/05/2026
11:00pm 26/05/2026
1 in 1 years
100.0 %
3h
1.6 mm
8:00pm 26/05/2026
11:00pm 26/05/2026
1 in 1 years
100.0 %
4h
1.6 mm
6:30pm 26/05/2026
11:00pm 26/05/2026
1 in 1 years
100.0 %
6h
1.6 mm
5:00pm 26/05/2026
11:00pm 26/05/2026
1 in 1 years
100.0 %
9h
1.6 mm
2:00pm 26/05/2026
11:00pm 26/05/2026
1 in 1 years
100.0 %
12h
1.6 mm
11:00am 26/05/2026
11:00pm 26/05/2026
1 in 1 years
100.0 %
18h
1.6 mm
5:00am 26/05/2026
11:00pm 26/05/2026
1 in 1 years
100.0 %
24h
1.6 mm
11:00pm 25/05/2026
11:00pm 26/05/2026
1 in 1 years
100.0 %
30h
1.6 mm
5:00pm 25/05/2026
11:00pm 26/05/2026
1 in 1 years
100.0 %
36h
1.6 mm
11:00am 25/05/2026
11:00pm 26/05/2026
1 in 1 years
100.0 %
48h
2.6 mm
2:20am 25/05/2026
2:20am 27/05/2026
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.

