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Light mode 4:00am 26/05/2026 to 4:00am 28/05/2026
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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
13.4 mm
2:30am 28/05/2026
2:45am 28/05/2026
1 in 1.2 years
84.14 %
30m
18.0 mm
2:15am 28/05/2026
2:45am 28/05/2026
1 in 1.2 years
85.37 %
45m
19.6 mm
2:15am 28/05/2026
3:00am 28/05/2026
1 in 1.1 years
88.54 %
60m
20.2 mm
2:15am 28/05/2026
3:15am 28/05/2026
1 in 1.1 years
91.08 %
90m
20.6 mm
2:15am 28/05/2026
3:45am 28/05/2026
1 in 1.1 years
95.21 %
120m
21.0 mm
2:00am 28/05/2026
4:00am 28/05/2026
1 in 1.0 years
96.28 %
3h
21.2 mm
1:00am 28/05/2026
4:00am 28/05/2026
1 in 1.0 years
98.07 %
4h
21.2 mm
11:30pm 27/05/2026
4:00am 28/05/2026
1 in 1.0 years
98.73 %
6h
21.2 mm
10:00pm 27/05/2026
4:00am 28/05/2026
1 in 1.0 years
99.15 %
9h
21.2 mm
6:45pm 27/05/2026
3:45am 28/05/2026
1 in 1.0 years
99.72 %
12h
21.6 mm
4:00pm 27/05/2026
4:00am 28/05/2026
1 in 1.0 years
99.82 %
18h
21.6 mm
10:00am 27/05/2026
4:00am 28/05/2026
1 in 1.0 years
99.95 %
24h
21.6 mm
4:00am 27/05/2026
4:00am 28/05/2026
1 in 1 years
100.0 %
30h
21.6 mm
10:00pm 26/05/2026
4:00am 28/05/2026
1 in 1 years
100.0 %
36h
21.6 mm
4:00pm 26/05/2026
4:00am 28/05/2026
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.
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