9:45pm 12/05/2026 to 9:45pm 14/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
15m
15.0 mm
7:30pm 14/05/2026
7:45pm 14/05/2026
1 in 1.1 years
87.87 %
30m
16.0 mm
7:15pm 14/05/2026
7:45pm 14/05/2026
1 in 1.0 years
98.17 %
45m
16.0 mm
7:00pm 14/05/2026
7:45pm 14/05/2026
1 in 1.0 years
99.29 %
60m
16.0 mm
6:45pm 14/05/2026
7:45pm 14/05/2026
1 in 1.0 years
99.81 %
90m
18.0 mm
6:15pm 14/05/2026
7:45pm 14/05/2026
1 in 1.0 years
99.84 %
120m
19.0 mm
5:45pm 14/05/2026
7:45pm 14/05/2026
1 in 1.0 years
99.91 %
3h
19.0 mm
4:45pm 14/05/2026
7:45pm 14/05/2026
1 in 1 years
100.0 %
4h
20.0 mm
3:15pm 14/05/2026
7:45pm 14/05/2026
1 in 1 years
100.0 %
6h
20.0 mm
5:30am 14/05/2026
11:30am 14/05/2026
1 in 1 years
100.0 %
9h
22.0 mm
10:45am 14/05/2026
7:45pm 14/05/2026
1 in 1 years
100.0 %
12h
33.0 mm
7:45am 14/05/2026
7:45pm 14/05/2026
1 in 1 years
100.0 %
18h
40.0 mm
1:45am 14/05/2026
7:45pm 14/05/2026
1 in 1 years
100.0 %
24h
42.0 mm
7:45pm 13/05/2026
7:45pm 14/05/2026
1 in 1 years
100.0 %
30h
42.0 mm
1:45pm 13/05/2026
7:45pm 14/05/2026
1 in 1 years
100.0 %
36h
46.0 mm
7:45am 13/05/2026
7:45pm 14/05/2026
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.

