11:10pm 24/05/2026 to 11:10pm 26/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
10m
1.4 mm
1:20am 26/05/2026
1:30am 26/05/2026
1 in 1 years
100.0 %
20m
2.8 mm
1:20am 26/05/2026
1:40am 26/05/2026
1 in 1 years
100.0 %
30m
3.4 mm
1:10am 26/05/2026
1:40am 26/05/2026
1 in 1 years
100.0 %
60m
5.4 mm
1:10am 26/05/2026
2:10am 26/05/2026
1 in 1 years
100.0 %
90m
6.8 mm
12:50am 26/05/2026
2:20am 26/05/2026
1 in 1.0 years
99.92 %
120m
6.8 mm
12:50am 26/05/2026
2:50am 26/05/2026
1 in 1 years
100.0 %
3h
7.0 mm
12:50am 26/05/2026
3:50am 26/05/2026
1 in 1 years
100.0 %
4h
7.0 mm
12:50am 26/05/2026
5:20am 26/05/2026
1 in 1 years
100.0 %
6h
7.0 mm
12:50am 26/05/2026
6:50am 26/05/2026
1 in 1 years
100.0 %
9h
7.0 mm
12:50am 26/05/2026
9:50am 26/05/2026
1 in 1 years
100.0 %
12h
7.2 mm
4:20pm 25/05/2026
4:20am 26/05/2026
1 in 1 years
100.0 %
18h
7.4 mm
3:10pm 25/05/2026
9:10am 26/05/2026
1 in 1 years
100.0 %
24h
7.4 mm
3:10pm 25/05/2026
3:10pm 26/05/2026
1 in 1 years
100.0 %
30h
7.4 mm
3:10pm 25/05/2026
9:10pm 26/05/2026
1 in 1 years
100.0 %
36h
7.4 mm
11:10am 25/05/2026
11:10pm 26/05/2026
1 in 1 years
100.0 %
48h
7.4 mm
11:10pm 24/05/2026
11:10pm 26/05/2026
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.

