9:00pm 13/05/2026 to 9:00pm 15/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
15m
7.0 mm
2:45am 15/05/2026
3:00am 15/05/2026
1 in 1 years
100.0 %
30m
11.0 mm
4:00am 15/05/2026
4:30am 15/05/2026
1 in 1 years
100.0 %
45m
13.0 mm
11:15pm 14/05/2026
12:00am 15/05/2026
1 in 1 years
100.0 %
60m
16.0 mm
11:15pm 14/05/2026
12:15am 15/05/2026
1 in 1 years
100.0 %
90m
23.0 mm
4:00am 15/05/2026
5:30am 15/05/2026
1 in 1 years
100.0 %
120m
25.0 mm
3:30am 15/05/2026
5:30am 15/05/2026
1 in 1 years
100.0 %
3h
36.0 mm
2:30am 15/05/2026
5:30am 15/05/2026
1 in 1.0 years
99.86 %
4h
41.0 mm
1:00am 15/05/2026
5:30am 15/05/2026
1 in 1.0 years
99.9 %
6h
59.0 mm
11:15pm 14/05/2026
5:15am 15/05/2026
1 in 1.0 years
99.21 %
9h
69.0 mm
8:30pm 14/05/2026
5:30am 15/05/2026
1 in 1.0 years
99.38 %
12h
71.0 mm
5:30pm 14/05/2026
5:30am 15/05/2026
1 in 1.0 years
99.8 %
18h
81.0 mm
6:45pm 14/05/2026
12:45pm 15/05/2026
1 in 1.0 years
99.88 %
24h
100.0 mm
9:00pm 14/05/2026
9:00pm 15/05/2026
1 in 1.0 years
99.8 %
30h
105.0 mm
3:00pm 14/05/2026
9:00pm 15/05/2026
1 in 1.0 years
99.88 %
36h
106.0 mm
9:00am 14/05/2026
9:00pm 15/05/2026
1 in 1.0 years
99.98 %
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.

