2:40am 28/05/2026 to 2:40am 30/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
10m
3.2 mm
9:50pm 28/05/2026
10:00pm 28/05/2026
1 in 1 years
100.0 %
20m
4.4 mm
9:50pm 28/05/2026
10:10pm 28/05/2026
1 in 1 years
100.0 %
30m
6.8 mm
9:50pm 28/05/2026
10:20pm 28/05/2026
1 in 1 years
100.0 %
60m
10.6 mm
2:00am 29/05/2026
3:00am 29/05/2026
1 in 1.0 years
99.93 %
90m
13.4 mm
1:50am 29/05/2026
3:20am 29/05/2026
1 in 1.0 years
99.79 %
120m
18.4 mm
1:00am 29/05/2026
3:00am 29/05/2026
1 in 1.0 years
98.37 %
3h
24.0 mm
1:00am 29/05/2026
4:00am 29/05/2026
1 in 1.0 years
96.08 %
4h
29.6 mm
1:00am 29/05/2026
5:30am 29/05/2026
1 in 1.1 years
94.66 %
6h
36.8 mm
9:50pm 28/05/2026
3:50am 29/05/2026
1 in 1.1 years
89.65 %
9h
44.0 mm
9:40pm 28/05/2026
6:40am 29/05/2026
1 in 1.1 years
89.57 %
12h
46.0 mm
7:30pm 28/05/2026
7:30am 29/05/2026
1 in 1.1 years
93.6 %
18h
48.4 mm
2:50pm 28/05/2026
8:50am 29/05/2026
1 in 1.0 years
97.13 %
24h
51.2 mm
7:50am 28/05/2026
7:50am 29/05/2026
1 in 1.0 years
98.27 %
30h
52.8 mm
6:10am 28/05/2026
12:10pm 29/05/2026
1 in 1.0 years
98.63 %
36h
52.8 mm
6:10am 28/05/2026
6:10pm 29/05/2026
1 in 1.0 years
99.07 %
48h
52.8 mm
2:40am 28/05/2026
2:40am 30/05/2026
1 in 1.0 years
99.67 %
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.

