2:30am 25/05/2026 to 2:30am 27/05/2026
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
10m
1.0 mm
3:40am 25/05/2026
3:50am 25/05/2026
1 in 1 years
100.0 %
20m
1.4 mm
10:30pm 25/05/2026
10:50pm 25/05/2026
1 in 1 years
100.0 %
30m
1.8 mm
10:30pm 25/05/2026
11:00pm 25/05/2026
1 in 1 years
100.0 %
60m
3.0 mm
10:30pm 25/05/2026
11:30pm 25/05/2026
1 in 1 years
100.0 %
90m
4.2 mm
10:30pm 25/05/2026
12:00am 26/05/2026
1 in 1 years
100.0 %
120m
4.8 mm
10:10pm 25/05/2026
12:10am 26/05/2026
1 in 1 years
100.0 %
3h
5.4 mm
2:20am 26/05/2026
5:20am 26/05/2026
1 in 1 years
100.0 %
4h
6.8 mm
3:00am 26/05/2026
7:30am 26/05/2026
1 in 1 years
100.0 %
6h
9.0 mm
10:30pm 25/05/2026
4:30am 26/05/2026
1 in 1.0 years
99.88 %
9h
11.8 mm
10:30pm 25/05/2026
7:30am 26/05/2026
1 in 1.0 years
98.98 %
12h
13.8 mm
8:40pm 25/05/2026
8:40am 26/05/2026
1 in 1.0 years
98.33 %
18h
14.2 mm
2:40pm 25/05/2026
8:40am 26/05/2026
1 in 1.0 years
98.94 %
24h
14.2 mm
8:40am 25/05/2026
8:40am 26/05/2026
1 in 1.0 years
99.47 %
30h
17.0 mm
2:30am 25/05/2026
8:30am 26/05/2026
1 in 1.0 years
98.49 %
36h
17.2 mm
2:30am 25/05/2026
2:30pm 26/05/2026
1 in 1.0 years
98.73 %
48h
17.2 mm
2:30am 25/05/2026
2:30am 27/05/2026
1 in 1.0 years
99.32 %
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.

