9:30pm 12/05/2026 to 9:30pm 14/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
15m
12.0 mm
7:45pm 14/05/2026
8:00pm 14/05/2026
1 in 1.0 years
97.33 %
30m
19.0 mm
7:30pm 14/05/2026
8:00pm 14/05/2026
1 in 1.1 years
92.67 %
45m
23.0 mm
7:30pm 14/05/2026
8:15pm 14/05/2026
1 in 1.1 years
90.92 %
60m
25.0 mm
7:15pm 14/05/2026
8:15pm 14/05/2026
1 in 1.1 years
92.19 %
90m
26.0 mm
7:00pm 14/05/2026
8:30pm 14/05/2026
1 in 1.0 years
96.22 %
120m
26.0 mm
6:30pm 14/05/2026
8:30pm 14/05/2026
1 in 1.0 years
98.3 %
3h
26.0 mm
5:30pm 14/05/2026
8:30pm 14/05/2026
1 in 1.0 years
99.26 %
4h
26.0 mm
4:00pm 14/05/2026
8:30pm 14/05/2026
1 in 1.0 years
99.86 %
6h
26.0 mm
2:30pm 14/05/2026
8:30pm 14/05/2026
1 in 1 years
100.0 %
9h
35.0 mm
11:30am 14/05/2026
8:30pm 14/05/2026
1 in 1.0 years
99.81 %
12h
39.0 mm
8:15am 14/05/2026
8:15pm 14/05/2026
1 in 1.0 years
99.82 %
18h
48.0 mm
2:30am 14/05/2026
8:30pm 14/05/2026
1 in 1.0 years
99.76 %
24h
49.0 mm
8:30pm 13/05/2026
8:30pm 14/05/2026
1 in 1.0 years
99.9 %
30h
50.0 mm
2:30pm 13/05/2026
8:30pm 14/05/2026
1 in 1.0 years
99.99 %
36h
56.0 mm
8:15am 13/05/2026
8:15pm 14/05/2026
1 in 1.0 years
99.93 %
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.

