10:30pm 24/05/2026 to 10:30pm 26/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
10m
4.8 mm
3:10am 26/05/2026
3:20am 26/05/2026
1 in 1.0 years
98.95 %
15m
0.0 mm
7:12am 25/05/2026
7:27am 25/05/2026
1 in 1 years
100.0 %
20m
7.2 mm
3:10am 26/05/2026
3:30am 26/05/2026
1 in 1.0 years
98.54 %
30m
8.4 mm
3:00am 26/05/2026
3:30am 26/05/2026
1 in 1.0 years
98.57 %
60m
9.2 mm
2:50am 26/05/2026
3:50am 26/05/2026
1 in 1.0 years
99.42 %
90m
9.2 mm
2:50am 26/05/2026
4:20am 26/05/2026
1 in 1.0 years
99.86 %
120m
9.8 mm
2:50am 26/05/2026
4:50am 26/05/2026
1 in 1.0 years
99.89 %
3h
10.6 mm
2:30am 26/05/2026
5:30am 26/05/2026
1 in 1.0 years
99.96 %
4h
13.0 mm
2:20am 26/05/2026
6:50am 26/05/2026
1 in 1.0 years
99.83 %
6h
13.0 mm
12:50am 26/05/2026
6:50am 26/05/2026
1 in 1.0 years
99.95 %
9h
13.0 mm
9:50pm 25/05/2026
6:50am 26/05/2026
1 in 1 years
100.0 %
12h
14.2 mm
2:50am 26/05/2026
2:50pm 26/05/2026
1 in 1 years
100.0 %
18h
14.2 mm
2:50am 26/05/2026
8:50pm 26/05/2026
1 in 1 years
100.0 %
24h
14.2 mm
10:30pm 25/05/2026
10:30pm 26/05/2026
1 in 1 years
100.0 %
30h
14.2 mm
4:30pm 25/05/2026
10:30pm 26/05/2026
1 in 1 years
100.0 %
36h
14.2 mm
10:30am 25/05/2026
10:30pm 26/05/2026
1 in 1 years
100.0 %
48h
14.2 mm
10:30pm 24/05/2026
10:30pm 26/05/2026
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.

