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Light mode10:30am 24/05/2026 to 10:30am 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
10m
2.6 mm
5:20am 25/05/2026
5:30am 25/05/2026
1 in 1.0 years
98.38 %
20m
4.8 mm
5:10am 25/05/2026
5:30am 25/05/2026
1 in 1.1 years
88.93 %
30m
5.6 mm
5:00am 25/05/2026
5:30am 25/05/2026
1 in 1.1 years
89.53 %
60m
7.0 mm
4:30am 25/05/2026
5:30am 25/05/2026
1 in 1.1 years
91.58 %
90m
9.6 mm
4:00am 25/05/2026
5:30am 25/05/2026
1 in 1.2 years
80.66 %
120m
10.8 mm
3:30am 25/05/2026
5:30am 25/05/2026
1 in 1.3 years
78.89 %
3h
11.4 mm
2:50am 25/05/2026
5:50am 25/05/2026
1 in 1.2 years
86.47 %
4h
11.4 mm
1:20am 25/05/2026
5:50am 25/05/2026
1 in 1.1 years
92.44 %
6h
11.4 mm
11:50pm 24/05/2026
5:50am 25/05/2026
1 in 1.0 years
95.81 %
9h
11.4 mm
8:50pm 24/05/2026
5:50am 25/05/2026
1 in 1.0 years
98.29 %
12h
11.4 mm
5:50pm 24/05/2026
5:50am 25/05/2026
1 in 1.0 years
98.91 %
18h
12.4 mm
11:50am 24/05/2026
5:50am 25/05/2026
1 in 1.0 years
99.16 %
24h
12.4 mm
10:30am 24/05/2026
10:30am 25/05/2026
1 in 1.0 years
99.76 %
30h
12.8 mm
10:30am 24/05/2026
4:30pm 25/05/2026
1 in 1.0 years
99.83 %
36h
12.8 mm
10:30am 24/05/2026
10:30pm 25/05/2026
1 in 1.0 years
99.91 %
48h
13.2 mm
10:30am 24/05/2026
10:30am 26/05/2026
1 in 1.0 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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