2:30pm 15/05/2026 to 2:30pm 17/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
15m
7.0 mm
12:30pm 17/05/2026
12:45pm 17/05/2026
1 in 1 years
100.0 %
30m
10.0 mm
12:30pm 17/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
45m
10.0 mm
12:15pm 17/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
60m
10.0 mm
12:00pm 17/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
90m
10.0 mm
11:30am 17/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
120m
10.0 mm
11:00am 17/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
3h
10.0 mm
10:00am 17/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
4h
10.0 mm
8:30am 17/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
6h
10.0 mm
7:00am 17/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
9h
11.0 mm
4:00am 17/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
12h
11.0 mm
1:00am 17/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
18h
11.0 mm
7:00pm 16/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
24h
11.0 mm
1:00pm 16/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
30h
11.0 mm
7:00am 16/05/2026
1:00pm 17/05/2026
1 in 1 years
100.0 %
36h
11.0 mm
1:00am 16/05/2026
1:00pm 17/05/2026
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.

