5:10am 18/06/2026 to 5:10am 20/06/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
10m
1.2 mm
7:10am 19/06/2026
7:20am 19/06/2026
1 in 1 years
100.0 %
20m
2.2 mm
7:10am 19/06/2026
7:30am 19/06/2026
1 in 1 years
100.0 %
30m
2.8 mm
7:00am 19/06/2026
7:30am 19/06/2026
1 in 1 years
100.0 %
60m
4.0 mm
8:20am 19/06/2026
9:20am 19/06/2026
1 in 1 years
100.0 %
90m
5.4 mm
7:10am 19/06/2026
8:40am 19/06/2026
1 in 1 years
100.0 %
120m
7.2 mm
7:10am 19/06/2026
9:10am 19/06/2026
1 in 1 years
100.0 %
3h
9.8 mm
6:50am 19/06/2026
9:50am 19/06/2026
1 in 1 years
100.0 %
4h
12.6 mm
6:50am 19/06/2026
11:20am 19/06/2026
1 in 1 years
100.0 %
6h
13.2 mm
5:20am 19/06/2026
11:20am 19/06/2026
1 in 1 years
100.0 %
9h
14.0 mm
2:20am 19/06/2026
11:20am 19/06/2026
1 in 1 years
100.0 %
12h
14.6 mm
1:30am 19/06/2026
1:30pm 19/06/2026
1 in 1 years
100.0 %
18h
17.6 mm
5:20pm 18/06/2026
11:20am 19/06/2026
1 in 1 years
100.0 %
24h
20.2 mm
2:50am 19/06/2026
2:50am 20/06/2026
1 in 1 years
100.0 %
30h
22.4 mm
7:50pm 18/06/2026
1:50am 20/06/2026
1 in 1 years
100.0 %
36h
23.8 mm
2:50pm 18/06/2026
2:50am 20/06/2026
1 in 1 years
100.0 %
48h
23.8 mm
5:10am 18/06/2026
5:10am 20/06/2026
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.

