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Light mode10:30pm 24/05/2026 to 10:30pm 26/05/2026
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Observations for this analysis :
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
15m
4.4 mm
6:00am 26/05/2026
6:15am 26/05/2026
1 in 1.0 years
98.76 %
30m
7.6 mm
6:00am 26/05/2026
6:30am 26/05/2026
1 in 1.1 years
94.88 %
45m
10.8 mm
5:45am 26/05/2026
6:30am 26/05/2026
1 in 1.2 years
83.48 %
60m
14.6 mm
6:00am 26/05/2026
7:00am 26/05/2026
1 in 1.5 years
64.9 %
90m
19.4 mm
5:45am 26/05/2026
7:15am 26/05/2026
1 in 2.1 years
48.32 %
120m
23.0 mm
5:45am 26/05/2026
7:45am 26/05/2026
1 in 2.4 years
41.37 %
3h
29.2 mm
5:00am 26/05/2026
8:00am 26/05/2026
1 in 3.3 years
30.2 %
4h
32.8 mm
4:45am 26/05/2026
9:15am 26/05/2026
1 in 3.0 years
33.85 %
6h
37.2 mm
4:45am 26/05/2026
10:45am 26/05/2026
1 in 3.1 years
31.9 %
9h
41.2 mm
4:45am 26/05/2026
1:45pm 26/05/2026
1 in 2.6 years
37.74 %
12h
44.0 mm
4:15am 26/05/2026
4:15pm 26/05/2026
1 in 2.4 years
41.84 %
18h
44.0 mm
3:00am 26/05/2026
9:00pm 26/05/2026
1 in 1.7 years
57.37 %
24h
44.0 mm
9:00pm 25/05/2026
9:00pm 26/05/2026
1 in 1.5 years
67.89 %
30h
44.0 mm
3:00pm 25/05/2026
9:00pm 26/05/2026
1 in 1.3 years
74.76 %
36h
44.0 mm
9:00am 25/05/2026
9:00pm 26/05/2026
1 in 1.2 years
80.33 %
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.
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