3:15am 25/05/2026 to 3:15am 27/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
15m
1.2 mm
1:30am 27/05/2026
1:45am 27/05/2026
1 in 1 years
100.0 %
30m
2.2 mm
1:15am 27/05/2026
1:45am 27/05/2026
1 in 1 years
100.0 %
45m
3.0 mm
1:15am 27/05/2026
2:00am 27/05/2026
1 in 1 years
100.0 %
60m
3.6 mm
12:45am 27/05/2026
1:45am 27/05/2026
1 in 1 years
100.0 %
90m
4.8 mm
12:30am 27/05/2026
2:00am 27/05/2026
1 in 1 years
100.0 %
120m
5.0 mm
12:00am 27/05/2026
2:00am 27/05/2026
1 in 1 years
100.0 %
3h
5.4 mm
11:00pm 26/05/2026
2:00am 27/05/2026
1 in 1 years
100.0 %
4h
6.8 mm
10:00pm 26/05/2026
2:30am 27/05/2026
1 in 1 years
100.0 %
6h
6.8 mm
8:30pm 26/05/2026
2:30am 27/05/2026
1 in 1 years
100.0 %
9h
7.0 mm
6:15pm 26/05/2026
3:15am 27/05/2026
1 in 1 years
100.0 %
12h
7.0 mm
3:15pm 26/05/2026
3:15am 27/05/2026
1 in 1 years
100.0 %
18h
7.0 mm
9:15am 26/05/2026
3:15am 27/05/2026
1 in 1 years
100.0 %
24h
7.0 mm
3:15am 26/05/2026
3:15am 27/05/2026
1 in 1 years
100.0 %
30h
7.2 mm
8:30pm 25/05/2026
2:30am 27/05/2026
1 in 1 years
100.0 %
36h
7.2 mm
2:30pm 25/05/2026
2:30am 27/05/2026
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.

