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Observations for this analysis :
Maximum observed rainfall by duration, estimated return period and AEP
Duration
Rainfall
Start
End
Years
AEP
10m
0.4 mm
8:00pm 07/06/2026
8:10pm 07/06/2026
1 in 1 years
100.0 %
20m
0.6 mm
7:50pm 07/06/2026
8:10pm 07/06/2026
1 in 1 years
100.0 %
30m
0.6 mm
7:50pm 07/06/2026
8:20pm 07/06/2026
1 in 1 years
100.0 %
60m
0.6 mm
7:50pm 07/06/2026
8:50pm 07/06/2026
1 in 1 years
100.0 %
90m
0.6 mm
7:50pm 07/06/2026
9:20pm 07/06/2026
1 in 1 years
100.0 %
120m
0.6 mm
7:50pm 07/06/2026
9:50pm 07/06/2026
1 in 1 years
100.0 %
3h
0.6 mm
7:50pm 07/06/2026
10:50pm 07/06/2026
1 in 1 years
100.0 %
4h
0.6 mm
7:50pm 07/06/2026
12:20am 08/06/2026
1 in 1 years
100.0 %
6h
0.6 mm
7:50pm 07/06/2026
1:50am 08/06/2026
1 in 1 years
100.0 %
9h
0.6 mm
7:10pm 07/06/2026
4:10am 08/06/2026
1 in 1 years
100.0 %
12h
0.6 mm
4:10pm 07/06/2026
4:10am 08/06/2026
1 in 1 years
100.0 %
18h
0.6 mm
10:10am 07/06/2026
4:10am 08/06/2026
1 in 1 years
100.0 %
24h
0.6 mm
4:10am 07/06/2026
4:10am 08/06/2026
1 in 1 years
100.0 %
30h
0.6 mm
10:10pm 06/06/2026
4:10am 08/06/2026
1 in 1 years
100.0 %
36h
0.6 mm
4:10pm 06/06/2026
4:10am 08/06/2026
1 in 1 years
100.0 %
48h
0.6 mm
4:10am 06/06/2026
4:10am 08/06/2026
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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