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Light mode 3:30am 25/05/2026 to 3:30am 27/05/2026
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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
5:00am 26/05/2026
5:10am 26/05/2026
1 in 1.0 years
99.95 %
20m
4.4 mm
5:00am 26/05/2026
5:20am 26/05/2026
1 in 1.0 years
98.73 %
30m
5.2 mm
5:00am 26/05/2026
5:30am 26/05/2026
1 in 1.0 years
98.75 %
60m
5.6 mm
5:00am 26/05/2026
6:00am 26/05/2026
1 in 1.0 years
99.93 %
90m
6.2 mm
3:40am 25/05/2026
5:10am 25/05/2026
1 in 1 years
100.0 %
120m
7.4 mm
3:40am 25/05/2026
5:40am 25/05/2026
1 in 1.0 years
99.84 %
3h
10.2 mm
3:50am 25/05/2026
6:50am 25/05/2026
1 in 1.0 years
98.42 %
4h
12.6 mm
3:30am 25/05/2026
8:00am 25/05/2026
1 in 1.0 years
96.64 %
6h
13.2 mm
3:30am 25/05/2026
9:30am 25/05/2026
1 in 1.0 years
97.75 %
9h
16.0 mm
3:40am 25/05/2026
12:40pm 25/05/2026
1 in 1.0 years
95.8 %
12h
19.8 mm
3:30am 25/05/2026
3:30pm 25/05/2026
1 in 1.1 years
89.52 %
18h
20.6 mm
3:30am 25/05/2026
9:30pm 25/05/2026
1 in 1.1 years
93.66 %
24h
23.2 mm
3:30am 25/05/2026
3:30am 26/05/2026
1 in 1.1 years
91.61 %
30h
30.0 mm
3:30am 25/05/2026
9:30am 26/05/2026
1 in 1.3 years
76.23 %
36h
30.0 mm
3:30am 25/05/2026
3:30pm 26/05/2026
1 in 1.2 years
81.26 %
48h
30.2 mm
3:30am 25/05/2026
3:30am 27/05/2026
1 in 1.1 years
87.87 %
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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