10:30pm 23/05/2026 to 10:30pm 25/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
15m
0.4 mm
1:45am 25/05/2026
2:00am 25/05/2026
1 in 1 years
100.0 %
30m
0.4 mm
1:30am 25/05/2026
2:00am 25/05/2026
1 in 1 years
100.0 %
45m
0.4 mm
1:00am 24/05/2026
1:45am 24/05/2026
1 in 1 years
100.0 %
60m
0.4 mm
12:45am 24/05/2026
1:45am 24/05/2026
1 in 1 years
100.0 %
90m
0.4 mm
12:15am 24/05/2026
1:45am 24/05/2026
1 in 1 years
100.0 %
120m
0.4 mm
11:45pm 23/05/2026
1:45am 24/05/2026
1 in 1 years
100.0 %
3h
0.6 mm
1:45am 25/05/2026
4:45am 25/05/2026
1 in 1 years
100.0 %
4h
0.6 mm
1:45am 25/05/2026
6:15am 25/05/2026
1 in 1 years
100.0 %
6h
0.6 mm
1:45am 25/05/2026
7:45am 25/05/2026
1 in 1 years
100.0 %
9h
0.6 mm
1:45am 25/05/2026
10:45am 25/05/2026
1 in 1 years
100.0 %
12h
0.6 mm
1:45am 25/05/2026
1:45pm 25/05/2026
1 in 1 years
100.0 %
18h
0.6 mm
1:45am 25/05/2026
7:45pm 25/05/2026
1 in 1 years
100.0 %
24h
0.8 mm
4:30am 24/05/2026
4:30am 25/05/2026
1 in 1 years
100.0 %
30h
1.2 mm
10:45pm 23/05/2026
4:45am 25/05/2026
1 in 1 years
100.0 %
36h
1.2 mm
10:45pm 23/05/2026
10:45am 25/05/2026
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.

