4:30am 23/05/2026 to 4:30am 25/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
15m
3.0 mm
2:45am 25/05/2026
3:00am 25/05/2026
1 in 1 years
100.0 %
30m
4.0 mm
2:45am 25/05/2026
3:15am 25/05/2026
1 in 1 years
100.0 %
45m
4.0 mm
2:30am 25/05/2026
3:15am 25/05/2026
1 in 1 years
100.0 %
60m
4.0 mm
2:15am 25/05/2026
3:15am 25/05/2026
1 in 1 years
100.0 %
90m
4.0 mm
1:45am 25/05/2026
3:15am 25/05/2026
1 in 1 years
100.0 %
120m
4.0 mm
9:00pm 24/05/2026
11:00pm 24/05/2026
1 in 1 years
100.0 %
3h
5.0 mm
8:00pm 24/05/2026
11:00pm 24/05/2026
1 in 1 years
100.0 %
4h
7.0 mm
10:45pm 24/05/2026
3:15am 25/05/2026
1 in 1 years
100.0 %
6h
9.0 mm
9:15pm 24/05/2026
3:15am 25/05/2026
1 in 1 years
100.0 %
9h
10.0 mm
6:15pm 24/05/2026
3:15am 25/05/2026
1 in 1 years
100.0 %
12h
13.0 mm
3:15pm 24/05/2026
3:15am 25/05/2026
1 in 1 years
100.0 %
18h
16.0 mm
9:15am 24/05/2026
3:15am 25/05/2026
1 in 1 years
100.0 %
24h
16.0 mm
3:15am 24/05/2026
3:15am 25/05/2026
1 in 1 years
100.0 %
30h
16.0 mm
9:15pm 23/05/2026
3:15am 25/05/2026
1 in 1 years
100.0 %
36h
16.0 mm
3:15pm 23/05/2026
3:15am 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.

