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Light mode 2:45pm 16/05/2026 to 2:45pm 18/05/2026
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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
10.0 mm
12:15pm 18/05/2026
12:30pm 18/05/2026
1 in 1.0 years
99.22 %
30m
15.0 mm
12:00pm 18/05/2026
12:30pm 18/05/2026
1 in 1.0 years
98.62 %
45m
19.0 mm
12:00pm 18/05/2026
12:45pm 18/05/2026
1 in 1.0 years
97.7 %
60m
21.0 mm
12:00pm 18/05/2026
1:00pm 18/05/2026
1 in 1.0 years
97.64 %
90m
23.0 mm
11:30am 18/05/2026
1:00pm 18/05/2026
1 in 1.0 years
98.2 %
120m
29.0 mm
11:45am 18/05/2026
1:45pm 18/05/2026
1 in 1.1 years
95.02 %
3h
41.0 mm
9:45am 18/05/2026
12:45pm 18/05/2026
1 in 1.2 years
81.86 %
4h
56.0 mm
8:15am 18/05/2026
12:45pm 18/05/2026
1 in 1.5 years
65.91 %
6h
65.0 mm
7:45am 18/05/2026
1:45pm 18/05/2026
1 in 1.6 years
60.8 %
9h
70.0 mm
4:45am 18/05/2026
1:45pm 18/05/2026
1 in 1.5 years
65.9 %
12h
80.0 mm
1:45am 18/05/2026
1:45pm 18/05/2026
1 in 1.6 years
63.47 %
18h
101.0 mm
7:45pm 17/05/2026
1:45pm 18/05/2026
1 in 1.8 years
54.95 %
24h
104.0 mm
1:45pm 17/05/2026
1:45pm 18/05/2026
1 in 1.6 years
62.23 %
30h
104.0 mm
7:45am 17/05/2026
1:45pm 18/05/2026
1 in 1.5 years
67.62 %
36h
105.0 mm
1:45am 17/05/2026
1:45pm 18/05/2026
1 in 1.4 years
71.27 %
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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